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null | Which text message is more formal? | [
"Ms. Walton is already here. She's waiting in the lobby.",
"Heads up! Walton is here. In the lobby."
] | A | closed choice | grade11 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The first text message is more formal. It uses complete sentences, avoids slang (heads up), and uses the person's title (Ms. Walton). The other text message includes more casual language and sentence fragments. | Context: N/A
Question: Which text message is more formal?
Options: (A) Ms. Walton is already here. She's waiting in the lobby. (B) Heads up! Walton is here. In the lobby.
| Answer: The answer is A. | Context: N/A
Question: Which text message is more formal?
Options: (A) Ms. Walton is already here. She's waiting in the lobby. (B) Heads up! Walton is here. In the lobby.
Answer: The answer is A. | ||
null | Which figure of speech is used in this text?
I wondered why the baseball was getting bigger, and then suddenly it hit me. | [
"personification",
"pun"
] | B | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses a pun, a word or phrase that humorously suggests more than one meaning.
It hit me means that the ball struck me. It also means that I suddenly realized why the ball was getting bigger. | Context: N/A
Question: Which figure of speech is used in this text?
I wondered why the baseball was getting bigger, and then suddenly it hit me.
Options: (A) personification (B) pun
| Answer: The answer is B. | Context: N/A
Question: Which figure of speech is used in this text?
I wondered why the baseball was getting bigger, and then suddenly it hit me.
Options: (A) personification (B) pun
Answer: The answer is B. | ||
null | According to Newton's third law, what other force must be happening? | [
"The International Space Station is pushing on Earth.",
"The International Space Station is pulling on Earth."
] | B | Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
Earth is pulling on the International Space Station. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Earth is pulling on the International Space Station. So, Newton's third law tells you that the International Space Station is pulling on Earth. | Context: Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
Earth is pulling on the International Space Station.
Question: Acc... | Answer: The answer is B. | Context: Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
Earth is pulling on the International Space Station.
Question: Acc... | |
null | Select the living thing. | [
"barn owl",
"helicopter",
"snowman",
"ferris wheel"
] | A | closed choice | grade4 | natural science | biology | Classification | Identify living and nonliving things | All living things are made up of cells. Plants, animals, and some fungi have many cells. Other living things are made up of just one cell.
All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. They use energy from food to grow and change.
All... | A helicopter is not a living thing.
A helicopter does not have all the traits of a living thing. It needs energy to fly, but it does not eat food. Helicopters get energy from gasoline or other fuel. They do not grow.
A snowman is not a living thing.
A snowman does not have all the traits of a living thing. It is shaped... | Context: N/A
Question: Select the living thing.
Options: (A) barn owl (B) helicopter (C) snowman (D) ferris wheel
| Answer: The answer is A. | Context: N/A
Question: Select the living thing.
Options: (A) barn owl (B) helicopter (C) snowman (D) ferris wheel
Answer: The answer is A. | ||
null | Which word would you find on a dictionary page with the following guide words?
wait - wound | [
"wrote",
"we"
] | B | closed choice | grade5 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since we is between the guide words wait - wound, it would be found on that page. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
wait - wound
Options: (A) wrote (B) we
| Answer: The answer is B. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
wait - wound
Options: (A) wrote (B) we
Answer: The answer is B. | ||
null | Which is a complete sentence? | [
"Mom announced her new job to our family.",
"Puts the towel back in the bathroom."
] | A | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence, a fragment, or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A sentence fragment is a group of words that does not express a complete thought. It is usually missing a subject or a verb.
Knows the answer.
This is a sentence fragment. It is missing a subj... | Mom announced her new job to our family is a complete sentence. The subject is Mom, and the verb is announced. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Mom announced her new job to our family. (B) Puts the towel back in the bathroom.
| Answer: The answer is A. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Mom announced her new job to our family. (B) Puts the towel back in the bathroom.
Answer: The answer is A. | ||
null | Which greeting is correct for a letter? | [
"Dear Samuel,",
"Dear samuel,"
] | A | closed choice | grade3 | language science | punctuation | Formatting | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The second greeting is correct:
Its first word is capitalized, and it ends with a comma. Samuel is capitalized because it is a proper noun. | Context: N/A
Question: Which greeting is correct for a letter?
Options: (A) Dear Samuel, (B) Dear samuel,
| Answer: The answer is A. | Context: N/A
Question: Which greeting is correct for a letter?
Options: (A) Dear Samuel, (B) Dear samuel,
Answer: The answer is A. | ||
null | Suppose Belle decides to plant the morning glories. Which result would be a cost? | [
"She will save some space. The morning glories will use up less space than the hickory tree would have used up.",
"Belle will give up the chance to look at the hickory tree. She thinks it would have looked more beautiful than the morning glories."
] | B | Belle is deciding whether to plant morning glories or a hickory tree in her backyard. She wants to make her backyard more beautiful. But she also wants to leave space for doing fun things. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Belle wants or needs:
Belle will give up the chance to look at the hickory tree. She thinks it would have looked more beautiful than the morning glories. | Context: Belle is deciding whether to plant morning glories or a hickory tree in her backyard. She wants to make her backyard more beautiful. But she also wants to leave space for doing fun things.
Question: Suppose Belle decides to plant the morning glories. Which result would be a cost?
Options: (A) She will save som... | Answer: The answer is B. | Context: Belle is deciding whether to plant morning glories or a hickory tree in her backyard. She wants to make her backyard more beautiful. But she also wants to leave space for doing fun things.
Question: Suppose Belle decides to plant the morning glories. Which result would be a cost?
Options: (A) She will save som... | |
null | Which fish tank has a lower temperature? | [
"the fish tank with more thermal energy",
"the fish tank with less thermal energy"
] | B | Two fish tanks are identical except for their thermal energies. | closed choice | grade5 | natural science | physics | Heat and thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two fish tanks are made of the same material and have the same mass. So, the fish tank with less thermal energy has a lower temperature. | Context: Two fish tanks are identical except for their thermal energies.
Question: Which fish tank has a lower temperature?
Options: (A) the fish tank with more thermal energy (B) the fish tank with less thermal energy
| Answer: The answer is B. | Context: Two fish tanks are identical except for their thermal energies.
Question: Which fish tank has a lower temperature?
Options: (A) the fish tank with more thermal energy (B) the fish tank with less thermal energy
Answer: The answer is B. | |
null | Is the following trait inherited or acquired?
Kirk has naturally dark skin. | [
"acquired",
"inherited"
] | B | Hint: Humans are born with their skin color. | closed choice | grade3 | natural science | biology | Heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Humans do not choose their skin color. Babies get their skin color from their parents. So, Kirk's skin color is an inherited trait. | Context: Hint: Humans are born with their skin color.
Question: Is the following trait inherited or acquired?
Kirk has naturally dark skin.
Options: (A) acquired (B) inherited
| Answer: The answer is B. | Context: Hint: Humans are born with their skin color.
Question: Is the following trait inherited or acquired?
Kirk has naturally dark skin.
Options: (A) acquired (B) inherited
Answer: The answer is B. | |
null | Which logical fallacy is used in the text?
I don't trust Professor Harrell's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Harrell has, too. | [
"guilt by association: a negative association intended to discredit someone or something",
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences"
] | A | closed choice | grade9 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that Professor Harrell's research is untrustworthy because someone else at her university was caught falsifying data. However, this isn't necessarily true. The practices of one researcher at a university do not necessarily reflect the practices of another researcher at the same university. This illustra... | Context: N/A
Question: Which logical fallacy is used in the text?
I don't trust Professor Harrell's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Harrell has, too.
Options: (A) guilt by association: a negative association intended to discredit someone or something ... | Answer: The answer is A. | Context: N/A
Question: Which logical fallacy is used in the text?
I don't trust Professor Harrell's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Harrell has, too.
Options: (A) guilt by association: a negative association intended to discredit someone or something ... | ||
null | What kind of sentence is this?
Madelyn felt intimidated by the steep cliff that she faced on her first rock-climbing adventure. | [
"interrogative",
"declarative",
"exclamatory"
] | B | closed choice | grade9 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement and always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An imperative sentence makes a request or a demand and usually ends with a period. If a demand shows strong feeling, it can ... | The sentence is a statement and ends with a period. It is a declarative sentence. | Context: N/A
Question: What kind of sentence is this?
Madelyn felt intimidated by the steep cliff that she faced on her first rock-climbing adventure.
Options: (A) interrogative (B) declarative (C) exclamatory
| Answer: The answer is B. | Context: N/A
Question: What kind of sentence is this?
Madelyn felt intimidated by the steep cliff that she faced on her first rock-climbing adventure.
Options: (A) interrogative (B) declarative (C) exclamatory
Answer: The answer is B. | ||
null | Would you find the word stalk on a dictionary page with the following guide words?
snap - soar | [
"yes",
"no"
] | B | yes or no | grade2 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since stalk is not between the guide words snap - soar, it would not be found on that page. | Context: N/A
Question: Would you find the word stalk on a dictionary page with the following guide words?
snap - soar
Options: (A) yes (B) no
| Answer: The answer is B. | Context: N/A
Question: Would you find the word stalk on a dictionary page with the following guide words?
snap - soar
Options: (A) yes (B) no
Answer: The answer is B. | ||
null | Which of the following contains a vague pronoun reference? | [
"Gary's brother Ryan wondered whether Gary ran fast enough to qualify for the Boston Marathon.",
"Gary's brother Ryan wondered whether he ran fast enough to qualify for the Boston Marathon."
] | B | closed choice | grade11 | language science | writing-strategies | Pronouns | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun he could refer to Gary or Ryan.
The second answer choice shows a possible correction for the vague pronoun reference. He has been replaced with Gary.
Gary's brother Ryan wondered whether Gary ran fast enough to qualify for the Boston Marathon. | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) Gary's brother Ryan wondered whether Gary ran fast enough to qualify for the Boston Marathon. (B) Gary's brother Ryan wondered whether he ran fast enough to qualify for the Boston Marathon.
| Answer: The answer is B. | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) Gary's brother Ryan wondered whether Gary ran fast enough to qualify for the Boston Marathon. (B) Gary's brother Ryan wondered whether he ran fast enough to qualify for the Boston Marathon.
Answer: The answer is B. | ||
null | Which would stretch more? | [
"metal hair clip",
"gum"
] | B | closed choice | grade2 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. | Stretchy is a property. A stretchy material gets longer when you pull on it.
Look at each picture, one at a time. Imagine pulling on the material shown in each picture.
Of the choices, the gum would stretch more. If you pull on soft chewing gum, it will get longer. | Context: N/A
Question: Which would stretch more?
Options: (A) metal hair clip (B) gum
| Answer: The answer is B. | Context: N/A
Question: Which would stretch more?
Options: (A) metal hair clip (B) gum
Answer: The answer is B. | ||
null | Which is more flexible? | [
"glass window",
"styrofoam packing peanuts"
] | B | closed choice | grade3 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. Some examples of properties are shiny, hard, fragile, and stretchy.
For examp... | Flexible is a property. A flexible material can be bent without breaking easily.
Look at each picture, one at a time. Imagine bending the material shown in each picture.
Of the choices, the styrofoam packing peanuts are more flexible. If you gently bend styrofoam packing peanuts, they will not break. | Context: N/A
Question: Which is more flexible?
Options: (A) glass window (B) styrofoam packing peanuts
| Answer: The answer is B. | Context: N/A
Question: Which is more flexible?
Options: (A) glass window (B) styrofoam packing peanuts
Answer: The answer is B. | ||
null | What is the source of the allusion in the sentence below?
Sophia told her friends that Aaron was a typical Peter Pan type. | [
"Greek mythology",
"literature"
] | B | closed choice | grade8 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Peter Pan is literature.
In a J. M. Barrie novel, the character Peter Pan retreats to Neverland and refuses to grow up.
The allusion Peter Pan means a person who won't take on adult responsibilities. | Context: N/A
Question: What is the source of the allusion in the sentence below?
Sophia told her friends that Aaron was a typical Peter Pan type.
Options: (A) Greek mythology (B) literature
| Answer: The answer is B. | Context: N/A
Question: What is the source of the allusion in the sentence below?
Sophia told her friends that Aaron was a typical Peter Pan type.
Options: (A) Greek mythology (B) literature
Answer: The answer is B. | ||
null | Complete the sentence.
Making lemonade is a (). | [
"physical change",
"chemical change"
] | A | closed choice | grade5 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form new molecules. The types of molecules in matter before an... | Making lemonade is a physical change. The sugar, water, and lemon juice are mixed together. But they do not change into different types of matter. | Context: N/A
Question: Complete the sentence.
Making lemonade is a ().
Options: (A) physical change (B) chemical change
| Answer: The answer is A. | Context: N/A
Question: Complete the sentence.
Making lemonade is a ().
Options: (A) physical change (B) chemical change
Answer: The answer is A. | ||
null | How long is a parking space? | [
"23 feet",
"23 yards",
"23 miles",
"23 inches"
] | A | Select the best estimate. | closed choice | grade6 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a parking space is 23 feet.
23 inches is too short. 23 yards and 23 miles are too long. | Context: Select the best estimate.
Question: How long is a parking space?
Options: (A) 23 feet (B) 23 yards (C) 23 miles (D) 23 inches
| Answer: The answer is A. | Context: Select the best estimate.
Question: How long is a parking space?
Options: (A) 23 feet (B) 23 yards (C) 23 miles (D) 23 inches
Answer: The answer is A. | |
null | Based on this information, what is this Channel catfish's genotype for the body color gene? | [
"a white body",
"bb"
] | B | In a group of Channel catfish, some individuals have a brown body and others have a white body. In this group, the gene for the body color trait has two alleles. The allele B is for a brown body, and the allele b is for a white body.
A certain Channel catfish from this group has a white body. This catfish has two allel... | closed choice | grade6 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's genotype for a gene is its combination of alleles for that gene. The Channel catfish has two alleles for a white body (b). So, the catfish's genotype for the body color gene is bb. | Context: In a group of Channel catfish, some individuals have a brown body and others have a white body. In this group, the gene for the body color trait has two alleles. The allele B is for a brown body, and the allele b is for a white body.
A certain Channel catfish from this group has a white body. This catfish has ... | Answer: The answer is B. | Context: In a group of Channel catfish, some individuals have a brown body and others have a white body. In this group, the gene for the body color trait has two alleles. The allele B is for a brown body, and the allele b is for a white body.
A certain Channel catfish from this group has a white body. This catfish has ... | |
null | What do these two changes have in common?
a copper statue turning green
boiling sugar to make caramel | [
"Both are caused by cooling.",
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating."
] | B | closed choice | grade8 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
A copper statue turning green is a chemical change. The copper reacts with oxygen in the air. This reaction forms a different type of matter called copper oxide. The copper oxide is green.
Boiling sugar to make caramel is a chemical change. The heat causes the sugar to change into a dif... | Context: N/A
Question: What do these two changes have in common?
a copper statue turning green
boiling sugar to make caramel
Options: (A) Both are caused by cooling. (B) Both are chemical changes. (C) Both are only physical changes. (D) Both are caused by heating.
| Answer: The answer is B. | Context: N/A
Question: What do these two changes have in common?
a copper statue turning green
boiling sugar to make caramel
Options: (A) Both are caused by cooling. (B) Both are chemical changes. (C) Both are only physical changes. (D) Both are caused by heating.
Answer: The answer is B. | ||
null | Which tennis ball has more thermal energy? | [
"the colder tennis ball",
"the hotter tennis ball"
] | B | Two tennis balls are identical except for their temperatures. | closed choice | grade5 | natural science | physics | Heat and thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two tennis balls are made of the same material and have the same mass. So, the hotter tennis ball has more thermal energy. | Context: Two tennis balls are identical except for their temperatures.
Question: Which tennis ball has more thermal energy?
Options: (A) the colder tennis ball (B) the hotter tennis ball
| Answer: The answer is B. | Context: Two tennis balls are identical except for their temperatures.
Question: Which tennis ball has more thermal energy?
Options: (A) the colder tennis ball (B) the hotter tennis ball
Answer: The answer is B. | |
null | Which text uses the word can in its traditional sense? | [
"As they observed the animals on the open grassland, the wildlife photographer said to Nicholas, \"Did you know that cheetahs can run as fast as seventy-five miles per hour?\"",
"As they observed the cheetahs on the open grassland, the wildlife photographer said to Nicholas, \"You can borrow my camera if you want... | A | closed choice | grade12 | language science | writing-strategies | Word usage and nuance | Explore words with new or contested usages | Words change in meaning when speakers begin using them in new ways. For example, the word peruse once only meant to examine in detail, but it's now also commonly used to mean to look through in a casual manner.
When a word changes in meaning, its correct usage is often debated. Although a newer sense of the word may be... | The first text uses can in its traditional sense: to have the ability to.
As they observed the animals on the open grassland, the wildlife photographer said to Nicholas, "Did you know that cheetahs can run as fast as seventy-five miles per hour?"
The second text uses can in its nontraditional sense: to have permission ... | Context: N/A
Question: Which text uses the word can in its traditional sense?
Options: (A) As they observed the animals on the open grassland, the wildlife photographer said to Nicholas, "Did you know that cheetahs can run as fast as seventy-five miles per hour?" (B) As they observed the cheetahs on the open grassland,... | Answer: The answer is A. | Context: N/A
Question: Which text uses the word can in its traditional sense?
Options: (A) As they observed the animals on the open grassland, the wildlife photographer said to Nicholas, "Did you know that cheetahs can run as fast as seventy-five miles per hour?" (B) As they observed the cheetahs on the open grassland,... | ||
null | Select the one animal that has all of the crustacean traits listed above. | [
"Caribbean spiny lobsters have two pairs of antennae. Their antennae can be longer than the rest of their body! Caribbean spiny lobsters also have an exoskeleton.",
"White-spotted octopuses have tentacles, which are also called arms. White-spotted octopuses can use their tentacles to reach between corals and grab... | A | Crustaceans are a group of animals with similar traits. The following traits can be used to identify crustaceans:
They have two pairs of antennae.
They have an exoskeleton. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify animals | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Crustaceans have the following traits:
They have two pairs of antennae.
They have an exoskeleton.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A white-spotted octopus has the f... | Context: Crustaceans are a group of animals with similar traits. The following traits can be used to identify crustaceans:
They have two pairs of antennae.
They have an exoskeleton. Observe the animals and read the descriptions.
Question: Select the one animal that has all of the crustacean traits listed above.
Options... | Answer: The answer is A. | Context: Crustaceans are a group of animals with similar traits. The following traits can be used to identify crustaceans:
They have two pairs of antennae.
They have an exoskeleton. Observe the animals and read the descriptions.
Question: Select the one animal that has all of the crustacean traits listed above.
Options... | |
null | Is the following trait inherited or acquired?
Manuel is good at cooking. | [
"acquired",
"inherited"
] | A | closed choice | grade5 | natural science | biology | Traits and heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | People are not born knowing how to cook. Instead, many people learn how to cook. So, cooking is an acquired trait. | Context: N/A
Question: Is the following trait inherited or acquired?
Manuel is good at cooking.
Options: (A) acquired (B) inherited
| Answer: The answer is A. | Context: N/A
Question: Is the following trait inherited or acquired?
Manuel is good at cooking.
Options: (A) acquired (B) inherited
Answer: The answer is A. | ||
null | Which object has more thermal energy? | [
"a 7-kilogram block of iron at a temperature of 180°C",
"a 7-kilogram block of iron at a temperature of 190°C"
] | B | The objects are identical except for their temperatures. | closed choice | grade3 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter move faster, the temperature goes up. The matter now has both ... | The two blocks of iron have the same mass but different temperatures. Since the 190°C block is hotter than the 180°C block, it has more thermal energy. | Context: The objects are identical except for their temperatures.
Question: Which object has more thermal energy?
Options: (A) a 7-kilogram block of iron at a temperature of 180°C (B) a 7-kilogram block of iron at a temperature of 190°C
| Answer: The answer is B. | Context: The objects are identical except for their temperatures.
Question: Which object has more thermal energy?
Options: (A) a 7-kilogram block of iron at a temperature of 180°C (B) a 7-kilogram block of iron at a temperature of 190°C
Answer: The answer is B. | |
null | What do these two changes have in common?
a copper statue turning green
using polish to remove tarnish from a silver spoon | [
"Both are caused by heating.",
"Both are chemical changes.",
"Both are caused by cooling.",
"Both are only physical changes."
] | B | closed choice | grade4 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
A copper statue turning green is a chemical change. The copper reacts with oxygen in the air. This reaction forms a different type of matter called copper oxide. The copper oxide is green.
A tarnished silver spoon is one that has become less shiny over time. Polishing the spoon makes it... | Context: N/A
Question: What do these two changes have in common?
a copper statue turning green
using polish to remove tarnish from a silver spoon
Options: (A) Both are caused by heating. (B) Both are chemical changes. (C) Both are caused by cooling. (D) Both are only physical changes.
| Answer: The answer is B. | Context: N/A
Question: What do these two changes have in common?
a copper statue turning green
using polish to remove tarnish from a silver spoon
Options: (A) Both are caused by heating. (B) Both are chemical changes. (C) Both are caused by cooling. (D) Both are only physical changes.
Answer: The answer is B. | ||
null | What does the personification in this text suggest?
Alvin tried to ignore his unfinished essay, but it glared at him from across the room. | [
"Alvin thought he was being watched.",
"It bothered Alvin that the essay wasn't finished."
] | B | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Personification is giving human characteristics to nonhuman things.
The trees danced in the wind. | The text uses personification, giving human characteristics to nonhuman things.
Glared at him suggests that it bothered Alvin that the essay wasn't finished. The essay is like a person who is bothering Alvin. | Context: N/A
Question: What does the personification in this text suggest?
Alvin tried to ignore his unfinished essay, but it glared at him from across the room.
Options: (A) Alvin thought he was being watched. (B) It bothered Alvin that the essay wasn't finished.
| Answer: The answer is B. | Context: N/A
Question: What does the personification in this text suggest?
Alvin tried to ignore his unfinished essay, but it glared at him from across the room.
Options: (A) Alvin thought he was being watched. (B) It bothered Alvin that the essay wasn't finished.
Answer: The answer is B. | ||
null | What is the temperature of the air inside of a refrigerator? | [
"3°C",
"3°F"
] | A | Select the better estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Estimate temperatures | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Temperature can be written with units of degrees Fahrenheit (°F) or Celsius (°C). Use the list below to compare the two units.
212°F | Water boils | 100°C
98.6°F | Body temperature | 37°C
68°F ... | The better estimate for the temperature of the air inside of a refrigerator is 3°C.
3°F is too cold. | Context: Select the better estimate.
Question: What is the temperature of the air inside of a refrigerator?
Options: (A) 3°C (B) 3°F
| Answer: The answer is A. | Context: Select the better estimate.
Question: What is the temperature of the air inside of a refrigerator?
Options: (A) 3°C (B) 3°F
Answer: The answer is A. | |
null | Which watermelon has a higher temperature? | [
"the watermelon with less thermal energy",
"the watermelon with more thermal energy"
] | B | Two watermelons are identical except for their thermal energies. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two watermelons are made of the same material and have the same mass. So, the watermelon with more thermal energy has a higher temperature. | Context: Two watermelons are identical except for their thermal energies.
Question: Which watermelon has a higher temperature?
Options: (A) the watermelon with less thermal energy (B) the watermelon with more thermal energy
| Answer: The answer is B. | Context: Two watermelons are identical except for their thermal energies.
Question: Which watermelon has a higher temperature?
Options: (A) the watermelon with less thermal energy (B) the watermelon with more thermal energy
Answer: The answer is B. | |
null | Which organ tells other organs what to do? | [
"heart",
"brain",
"stomach"
] | B | closed choice | grade3 | natural science | biology | Animals | Human organs and their functions | Context: N/A
Question: Which organ tells other organs what to do?
Options: (A) heart (B) brain (C) stomach
| Answer: The answer is B. | Context: N/A
Question: Which organ tells other organs what to do?
Options: (A) heart (B) brain (C) stomach
Answer: The answer is B. | ||||
null | Which word would you find on a dictionary page with the following guide words?
dance - did | [
"deal",
"duck"
] | A | closed choice | grade2 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since deal is between the guide words dance - did, it would be found on that page. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
dance - did
Options: (A) deal (B) duck
| Answer: The answer is A. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
dance - did
Options: (A) deal (B) duck
Answer: The answer is A. | ||
null | What information supports the conclusion that Rudy inherited this trait? | [
"Rudy's biological father has curly hair.",
"Rudy and his biological parents have brown hair.",
"Rudy's coworker also has curly hair."
] | A | Read the description of a trait.
Rudy has curly hair. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | Context: Read the description of a trait.
Rudy has curly hair.
Question: What information supports the conclusion that Rudy inherited this trait?
Options: (A) Rudy's biological father has curly hair. (B) Rudy and his biological parents have brown hair. (C) Rudy's coworker also has curly hair.
| Answer: The answer is A. | Context: Read the description of a trait.
Rudy has curly hair.
Question: What information supports the conclusion that Rudy inherited this trait?
Options: (A) Rudy's biological father has curly hair. (B) Rudy and his biological parents have brown hair. (C) Rudy's coworker also has curly hair.
Answer: The answer is A. | ||
null | Compare the motion of three ducks. Which duck was moving at the highest speed? | [
"a duck that moved 565kilometers west in 10hours",
"a duck that moved 975kilometers south in 10hours",
"a duck that moved 860kilometers east in 10hours"
] | B | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the kilometer.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects mov... | Look at the distance each duck moved and the time it took to move that distance. The direction each duck moved does not affect its speed.
Notice that each duck moved for 10 hours. The duck that moved 975 kilometers moved the farthest distance in that time. So, that duck must have moved at the highest speed. | Context: N/A
Question: Compare the motion of three ducks. Which duck was moving at the highest speed?
Options: (A) a duck that moved 565kilometers west in 10hours (B) a duck that moved 975kilometers south in 10hours (C) a duck that moved 860kilometers east in 10hours
| Answer: The answer is B. | Context: N/A
Question: Compare the motion of three ducks. Which duck was moving at the highest speed?
Options: (A) a duck that moved 565kilometers west in 10hours (B) a duck that moved 975kilometers south in 10hours (C) a duck that moved 860kilometers east in 10hours
Answer: The answer is B. | ||
null | Which announcement is more formal? | [
"The Oakdale Law Firm is so happy to tell you . . .",
"The Oakdale Law Firm is pleased to announce . . ."
] | B | closed choice | grade9 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The second announcement is more formal. It uses more elevated language (pleased to announce). The other announcement sounds more conversational (so happy). | Context: N/A
Question: Which announcement is more formal?
Options: (A) The Oakdale Law Firm is so happy to tell you . . . (B) The Oakdale Law Firm is pleased to announce . . .
| Answer: The answer is B. | Context: N/A
Question: Which announcement is more formal?
Options: (A) The Oakdale Law Firm is so happy to tell you . . . (B) The Oakdale Law Firm is pleased to announce . . .
Answer: The answer is B. | ||
null | Which gold bar has a higher temperature? | [
"the gold bar with more thermal energy",
"the gold bar with less thermal energy"
] | A | Two 6-kilogram gold bars are identical except for their thermal energies. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two gold bars are made of the same material and have the same mass. So, the gold bar with more thermal energy has a higher temperature. | Context: Two 6-kilogram gold bars are identical except for their thermal energies.
Question: Which gold bar has a higher temperature?
Options: (A) the gold bar with more thermal energy (B) the gold bar with less thermal energy
| Answer: The answer is A. | Context: Two 6-kilogram gold bars are identical except for their thermal energies.
Question: Which gold bar has a higher temperature?
Options: (A) the gold bar with more thermal energy (B) the gold bar with less thermal energy
Answer: The answer is A. | |
null | Complete the sentence.
Slicing cheese is a (). | [
"chemical change",
"physical change"
] | B | closed choice | grade2 | natural science | chemistry | Physical and chemical change | Identify physical and chemical changes | Chemical changes and physical changes are two ways matter can change.
In a chemical change, the type of matter changes.
Burning a piece of paper is a chemical change. The paper changes into ash and smoke.
In a physical change, the type of matter stays the same.
Cutting a piece of paper is a physical change. The cut pie... | Slicing cheese is a physical change. The cheese changes shape. But it is still made of the same type of matter. | Context: N/A
Question: Complete the sentence.
Slicing cheese is a ().
Options: (A) chemical change (B) physical change
| Answer: The answer is B. | Context: N/A
Question: Complete the sentence.
Slicing cheese is a ().
Options: (A) chemical change (B) physical change
Answer: The answer is B. | ||
null | Which is a compound sentence? | [
"The pirates buried the treasure chest, but some sailors soon found it.",
"Nellie will change the batteries in the radio tomorrow."
] | A | closed choice | grade4 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple or compound? | A simple sentence is a sentence with only one subject and predicate.
The pitcher threw the ball to first base.
A compound sentence is two simple sentences joined by a comma and a conjunction such as and, but, or, or so.
The pitcher threw the ball, and the batter hit it.
Some simple sentences have a compound subject or ... | The first sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction but.
The pirates buried the treasure chest, but some sailors soon found it. | Context: N/A
Question: Which is a compound sentence?
Options: (A) The pirates buried the treasure chest, but some sailors soon found it. (B) Nellie will change the batteries in the radio tomorrow.
| Answer: The answer is A. | Context: N/A
Question: Which is a compound sentence?
Options: (A) The pirates buried the treasure chest, but some sailors soon found it. (B) Nellie will change the batteries in the radio tomorrow.
Answer: The answer is A. | ||
null | What do these two changes have in common?
an old sandwich rotting in a trashcan
using polish to remove tarnish from a silver spoon | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | A | closed choice | grade8 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
A sandwich rotting is a chemical change. The matter in the sandwich breaks down and slowly turns into a different type of matter.
A tarnished silver spoon is one that has become less shiny over time. Polishing the spoon makes it look shiny again.
The polish changes the tarnish into a di... | Context: N/A
Question: What do these two changes have in common?
an old sandwich rotting in a trashcan
using polish to remove tarnish from a silver spoon
Options: (A) Both are chemical changes. (B) Both are only physical changes. (C) Both are caused by heating. (D) Both are caused by cooling.
| Answer: The answer is A. | Context: N/A
Question: What do these two changes have in common?
an old sandwich rotting in a trashcan
using polish to remove tarnish from a silver spoon
Options: (A) Both are chemical changes. (B) Both are only physical changes. (C) Both are caused by heating. (D) Both are caused by cooling.
Answer: The answer is A. | ||
null | Which type of sentence is this?
An avid reader, Percy attends weekly book club meetings, and he finishes several novels every month. | [
"complex",
"simple",
"compound",
"compound-complex"
] | C | closed choice | grade12 | language science | grammar | Phrases and clauses | Is the sentence simple, compound, complex, or compound-complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought that can stand alone as a sentence. A dependent clause (or subordinate clause) is not a complete thought and cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alon... | The sentence is compound. It is made up of two independent clauses joined by the coordinating conjunction and.
An avid reader, Percy attends weekly book club meetings, and he finishes several novels every month. | Context: N/A
Question: Which type of sentence is this?
An avid reader, Percy attends weekly book club meetings, and he finishes several novels every month.
Options: (A) complex (B) simple (C) compound (D) compound-complex
| Answer: The answer is C. | Context: N/A
Question: Which type of sentence is this?
An avid reader, Percy attends weekly book club meetings, and he finishes several novels every month.
Options: (A) complex (B) simple (C) compound (D) compound-complex
Answer: The answer is C. | ||
null | What kind of sentence is this?
Does Regan prefer pizza or pasta? | [
"declarative",
"interrogative"
] | B | closed choice | grade5 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence asks something, and it ends with a question mark. It is an interrogative sentence. | Context: N/A
Question: What kind of sentence is this?
Does Regan prefer pizza or pasta?
Options: (A) declarative (B) interrogative
| Answer: The answer is B. | Context: N/A
Question: What kind of sentence is this?
Does Regan prefer pizza or pasta?
Options: (A) declarative (B) interrogative
Answer: The answer is B. | ||
null | Which word would you find on a dictionary page with the following guide words?
imagine - irrigation | [
"inch",
"ignore"
] | A | closed choice | grade4 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since inch is between the guide words imagine - irrigation, it would be found on that page. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
imagine - irrigation
Options: (A) inch (B) ignore
| Answer: The answer is A. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
imagine - irrigation
Options: (A) inch (B) ignore
Answer: The answer is A. | ||
null | Which word does not rhyme? | [
"pipe",
"win",
"thin"
] | A | closed choice | grade1 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the ip sound.
The words lake and make rhyme. They both end with the ake sound.
The words tip and lake don't rhyme. They end with different sounds. | The words thin and win rhyme. They both end with the in sound.
The word pipe does not rhyme. It ends with a different sound. | Context: N/A
Question: Which word does not rhyme?
Options: (A) pipe (B) win (C) thin
| Answer: The answer is A. | Context: N/A
Question: Which word does not rhyme?
Options: (A) pipe (B) win (C) thin
Answer: The answer is A. | ||
null | What is the volume of a small measuring spoon? | [
"5 milliliters",
"5 liters"
] | A | Select the better estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of a small measuring spoon is 5 milliliters.
5 liters is too much. | Context: Select the better estimate.
Question: What is the volume of a small measuring spoon?
Options: (A) 5 milliliters (B) 5 liters
| Answer: The answer is A. | Context: Select the better estimate.
Question: What is the volume of a small measuring spoon?
Options: (A) 5 milliliters (B) 5 liters
Answer: The answer is A. | |
null | Complete the statement.
Silver bromide is (). | [
"an elementary substance",
"a compound"
] | B | Silver bromide is used on the film that some photographers use in their cameras. The chemical formula for silver bromide is AgBr. | closed choice | grade7 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using chemical formulas | There are more than 100 different chemical elements, or types of atoms. Chemical elements make up all of the substances around you.
A substance may be composed of one chemical element or multiple chemical elements. Substances that are composed of only one chemical element are elementary substances. Substances that are ... | You can tell whether silver bromide is an elementary substance or a compound by counting the number of atomic symbols in its chemical formula. An atomic symbol consists of either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for silver bromide, AgBr, contains two ... | Context: Silver bromide is used on the film that some photographers use in their cameras. The chemical formula for silver bromide is AgBr.
Question: Complete the statement.
Silver bromide is ().
Options: (A) an elementary substance (B) a compound
| Answer: The answer is B. | Context: Silver bromide is used on the film that some photographers use in their cameras. The chemical formula for silver bromide is AgBr.
Question: Complete the statement.
Silver bromide is ().
Options: (A) an elementary substance (B) a compound
Answer: The answer is B. | |
null | Which of the following contains a vague pronoun reference? | [
"They predicted afternoon thunderstorms, but the sky remained clear all day.",
"The meteorologists predicted afternoon thunderstorms, but the sky remained clear all day."
] | A | closed choice | grade7 | language science | writing-strategies | Pronouns and antecedents | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun they is used without its antecedent.
The second answer choice shows a possible correction for the vague pronoun reference. They has been replaced with the meteorologists.
The meteorologists predicted afternoon thunderstorms, but the sky remained cl... | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) They predicted afternoon thunderstorms, but the sky remained clear all day. (B) The meteorologists predicted afternoon thunderstorms, but the sky remained clear all day.
| Answer: The answer is A. | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) They predicted afternoon thunderstorms, but the sky remained clear all day. (B) The meteorologists predicted afternoon thunderstorms, but the sky remained clear all day.
Answer: The answer is A. | ||
null | Which is a complex sentence? | [
"The detour took us across the bridge and along the one-lane road by the river.",
"Ruben prepared a receipt for the customer while Mateo packaged her items for her."
] | B | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The first sentence is the complex sentence. It is made up of an independent clause and a dependent clause. The dependent clause begins with the subordinating conjunction while.
Ruben prepared a receipt for the customer while Mateo packaged her items for her. | Context: N/A
Question: Which is a complex sentence?
Options: (A) The detour took us across the bridge and along the one-lane road by the river. (B) Ruben prepared a receipt for the customer while Mateo packaged her items for her.
| Answer: The answer is B. | Context: N/A
Question: Which is a complex sentence?
Options: (A) The detour took us across the bridge and along the one-lane road by the river. (B) Ruben prepared a receipt for the customer while Mateo packaged her items for her.
Answer: The answer is B. | ||
null | Suppose Jeffrey decides to see the zebras. Which result would be a cost? | [
"Jeffrey will enjoy seeing the zebras more than he would have enjoyed seeing the gibbons.",
"Jeffrey will spend more time walking to the zebras. They are on the other side of the zoo, but the gibbons are close by."
] | B | Jeffrey is deciding whether to see the zebras or the gibbons at the zoo. He wants to see lots of animals, but the zoo is closing soon. | closed choice | grade5 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Jeffrey wants or needs:
Jeffrey will spend more time walking to the zebras. They are on the other side of the zoo, but the gibbons are close by. | Context: Jeffrey is deciding whether to see the zebras or the gibbons at the zoo. He wants to see lots of animals, but the zoo is closing soon.
Question: Suppose Jeffrey decides to see the zebras. Which result would be a cost?
Options: (A) Jeffrey will enjoy seeing the zebras more than he would have enjoyed seeing the ... | Answer: The answer is B. | Context: Jeffrey is deciding whether to see the zebras or the gibbons at the zoo. He wants to see lots of animals, but the zoo is closing soon.
Question: Suppose Jeffrey decides to see the zebras. Which result would be a cost?
Options: (A) Jeffrey will enjoy seeing the zebras more than he would have enjoyed seeing the ... | |
null | Suppose Lola decides to make cream of mushroom soup. Which result would be a cost? | [
"The cream of mushroom soup will be tastier than the minestrone soup would have been.",
"Lola will spend more time making the cream of mushroom soup than she would have spent making the minestrone soup."
] | B | Lola is deciding whether to make cream of mushroom soup or minestrone soup for dinner. She wants dinner to be as tasty as possible. But she is also hungry and wants to eat soon. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Lola wants or needs:
Lola will spend more time making the cream of mushroom soup than she would have spent making the minestrone soup. | Context: Lola is deciding whether to make cream of mushroom soup or minestrone soup for dinner. She wants dinner to be as tasty as possible. But she is also hungry and wants to eat soon.
Question: Suppose Lola decides to make cream of mushroom soup. Which result would be a cost?
Options: (A) The cream of mushroom soup ... | Answer: The answer is B. | Context: Lola is deciding whether to make cream of mushroom soup or minestrone soup for dinner. She wants dinner to be as tasty as possible. But she is also hungry and wants to eat soon.
Question: Suppose Lola decides to make cream of mushroom soup. Which result would be a cost?
Options: (A) The cream of mushroom soup ... | |
null | What kind of sentence is this?
Which presidential candidate do you think won the debate last night? | [
"interrogative",
"imperative",
"declarative"
] | A | closed choice | grade6 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement, and it always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An interrogative sentence is a question, and it always ends with a question mark.
Do you have any plans for the upcoming... | The sentence asks something, and it ends with a question mark. It is an interrogative sentence. | Context: N/A
Question: What kind of sentence is this?
Which presidential candidate do you think won the debate last night?
Options: (A) interrogative (B) imperative (C) declarative
| Answer: The answer is A. | Context: N/A
Question: What kind of sentence is this?
Which presidential candidate do you think won the debate last night?
Options: (A) interrogative (B) imperative (C) declarative
Answer: The answer is A. | ||
null | What information supports the conclusion that Nolan acquired this trait? | [
"Nolan's neighbor taught him how to repair a kite.",
"Nolan likes to fly a kite with his younger brother.",
"Nolan's friend taught him how to fly a kite."
] | C | Read the description of a trait.
Nolan knows how to fly a kite. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | Context: Read the description of a trait.
Nolan knows how to fly a kite.
Question: What information supports the conclusion that Nolan acquired this trait?
Options: (A) Nolan's neighbor taught him how to repair a kite. (B) Nolan likes to fly a kite with his younger brother. (C) Nolan's friend taught him how to fly a ki... | Answer: The answer is C. | Context: Read the description of a trait.
Nolan knows how to fly a kite.
Question: What information supports the conclusion that Nolan acquired this trait?
Options: (A) Nolan's neighbor taught him how to repair a kite. (B) Nolan likes to fly a kite with his younger brother. (C) Nolan's friend taught him how to fly a ki... | ||
null | Below are three examples of using energy from natural resources. Select the use of energy that did not add to air pollution. | [
"A wood-burning oven was used to bake a pizza.",
"The engine on a container ship burned fuel made from petroleum oil.",
"A river's flowing water carried logs downstream to a sawmill."
] | C | Humans have invented many ways to use energy from natural resources. Some of these uses of energy add to air pollution, and others do not.
Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution. | closed choice | grade5 | natural science | earth-science | Conservation and natural resources | Evaluate natural energy sources | Humans have invented many ways to use natural resources. We use energy from natural resources in our daily activities, including cooking food, moving objects, and powering machines.
Some ways of using natural resources for energy add to air pollution, and others do not.
Wood, oil, and coal are examples of natural resou... | Context: Humans have invented many ways to use energy from natural resources. Some of these uses of energy add to air pollution, and others do not.
Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution.
Question: Below are three examples of using energy from natural resources.... | Answer: The answer is C. | Context: Humans have invented many ways to use energy from natural resources. Some of these uses of energy add to air pollution, and others do not.
Hint: Burning a material such as wood, oil, or coal releases chemicals that add to air pollution.
Question: Below are three examples of using energy from natural resources.... | ||
null | What is the source of the allusion in the sentence below?
Darnel spoke at the city council meeting, claiming the new recycling regulations were draconian. | [
"a fable",
"Greek history"
] | B | closed choice | grade7 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion draconian is Greek history.
Draco, a government official in seventh-century Athens, Greece, wrote a code of laws that called for severe punishments for even minor offenses.
The allusion draconian means harsh. | Context: N/A
Question: What is the source of the allusion in the sentence below?
Darnel spoke at the city council meeting, claiming the new recycling regulations were draconian.
Options: (A) a fable (B) Greek history
| Answer: The answer is B. | Context: N/A
Question: What is the source of the allusion in the sentence below?
Darnel spoke at the city council meeting, claiming the new recycling regulations were draconian.
Options: (A) a fable (B) Greek history
Answer: The answer is B. | ||
null | Would you find the word people on a dictionary page with the following guide words?
pattern - plot | [
"no",
"yes"
] | B | yes or no | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since people is between the guide words pattern - plot, it would be found on that page. | Context: N/A
Question: Would you find the word people on a dictionary page with the following guide words?
pattern - plot
Options: (A) no (B) yes
| Answer: The answer is B. | Context: N/A
Question: Would you find the word people on a dictionary page with the following guide words?
pattern - plot
Options: (A) no (B) yes
Answer: The answer is B. | ||
null | Complete the statement.
Zirconium is (). | [
"a compound",
"an elementary substance"
] | B | Most of the zirconium produced every year is used in certain types of power plants to keep dangerous fuel from leaking. The chemical formula for zirconium is Zr. | closed choice | grade5 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using chemical formulas | Every substance around you is made of one or more chemical elements, or types of atoms. Substances that are made of only one chemical element are elementary substances. Substances that are made of two or more chemical elements bonded together are compounds.
Every chemical element is represented by its own symbol. For s... | You can tell whether zirconium is an elementary substance or a compound by counting the number of symbols in its chemical formula. A symbol contains either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for zirconium is Zr. This formula contains one symbol: Zr. So,... | Context: Most of the zirconium produced every year is used in certain types of power plants to keep dangerous fuel from leaking. The chemical formula for zirconium is Zr.
Question: Complete the statement.
Zirconium is ().
Options: (A) a compound (B) an elementary substance
| Answer: The answer is B. | Context: Most of the zirconium produced every year is used in certain types of power plants to keep dangerous fuel from leaking. The chemical formula for zirconium is Zr.
Question: Complete the statement.
Zirconium is ().
Options: (A) a compound (B) an elementary substance
Answer: The answer is B. | |
null | Which is a complete sentence? | [
"Aunt Christine's heavy baggage.",
"My family will swim at the town pool tomorrow."
] | B | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence, a fragment, or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A sentence fragment is a group of words that does not express a complete thought. It is usually missing a subject or a verb.
Knows the answer.
This is a sentence fragment. It is missing a subj... | My family will swim at the town pool tomorrow is a complete sentence. The subject is my family, and the verb is will swim. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Aunt Christine's heavy baggage. (B) My family will swim at the town pool tomorrow.
| Answer: The answer is B. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Aunt Christine's heavy baggage. (B) My family will swim at the town pool tomorrow.
Answer: The answer is B. | ||
null | Which word is not like the others? | [
"Russia",
"Germany",
"Italy",
"Sunday"
] | D | closed choice | grade2 | language science | vocabulary | Categories | Which word is not like the others? | Some words are alike. They go together in a group.
Red, blue, and green go together. They are colors.
Mom, dad, grandma, and grandpa go together. They are people in a family. | Russia, Italy, and Germany go together. They are countries. Sunday is not a country, so it is not like the other words. | Context: N/A
Question: Which word is not like the others?
Options: (A) Russia (B) Germany (C) Italy (D) Sunday
| Answer: The answer is D. | Context: N/A
Question: Which word is not like the others?
Options: (A) Russia (B) Germany (C) Italy (D) Sunday
Answer: The answer is D. | ||
null | Using only these supplies, which question can Grayson investigate with an experiment? | [
"Do rubber balloons stick to a cotton blanket or a wooden door longer after being rubbed on his hair?",
"Do rubber balloons stick to a wooden door or a metal door longer after being rubbed on his hair?",
"Do rubber balloons or foil balloons stick to the wooden door longer after being rubbed on his hair?"
] | A | Grayson went to a magic show. The magician rubbed a balloon on her hair and then held the balloon against a wall. When the magician released the balloon, Grayson was amazed to see that it stuck to the wall! He wonders what factors affect how well balloons stick to different surfaces. So, he decides to design an experim... | closed choice | grade8 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | Context: Grayson went to a magic show. The magician rubbed a balloon on her hair and then held the balloon against a wall. When the magician released the balloon, Grayson was amazed to see that it stuck to the wall! He wonders what factors affect how well balloons stick to different surfaces. So, he decides to design a... | Answer: The answer is A. | Context: Grayson went to a magic show. The magician rubbed a balloon on her hair and then held the balloon against a wall. When the magician released the balloon, Grayson was amazed to see that it stuck to the wall! He wonders what factors affect how well balloons stick to different surfaces. So, he decides to design a... | ||
null | Which is a complete sentence? | [
"Coach West talked to her team before the game.",
"She sings our favorite song, we clap for her."
] | A | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A run-on sentence is made up of two sentences that are joined without end punctuation or with just a comma.
I knocked on the door it opened.
It started raining, we ran inside.
To fix a run-on ... | Coach West talked to her team before the game is a complete sentence. The subject is Coach West, and the verb is talked. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Coach West talked to her team before the game. (B) She sings our favorite song, we clap for her.
| Answer: The answer is A. | Context: N/A
Question: Which is a complete sentence?
Options: (A) Coach West talked to her team before the game. (B) She sings our favorite song, we clap for her.
Answer: The answer is A. | ||
null | How long does it take to do ten jumping jacks? | [
"17 seconds",
"17 hours"
] | A | Select the better estimate. | closed choice | grade3 | natural science | units-and-measurement | Units and measurement | Choose units of time | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that the bus leaves in 7. You might be thinking, 7 what? Does the bus leave in 7 minutes? 7 seconds?
The number 7 on its own does not give you much information about when the... | The better estimate for how long it takes to do ten jumping jacks is 17 seconds.
17 hours is too slow. | Context: Select the better estimate.
Question: How long does it take to do ten jumping jacks?
Options: (A) 17 seconds (B) 17 hours
| Answer: The answer is A. | Context: Select the better estimate.
Question: How long does it take to do ten jumping jacks?
Options: (A) 17 seconds (B) 17 hours
Answer: The answer is A. | |
null | Select the one true statement. | [
"The cell membrane controls which substances enter and leave an animal cell.",
"The nucleus of a plant cell does not have chromosomes.",
"Mitochondria direct cell activities by sending instructions to different parts of a plant cell."
] | A | closed choice | grade7 | natural science | biology | Cells | Compare cells and cell parts | Context: N/A
Question: Select the one true statement.
Options: (A) The cell membrane controls which substances enter and leave an animal cell. (B) The nucleus of a plant cell does not have chromosomes. (C) Mitochondria direct cell activities by sending instructions to different parts of a plant cell.
| Answer: The answer is A. | Context: N/A
Question: Select the one true statement.
Options: (A) The cell membrane controls which substances enter and leave an animal cell. (B) The nucleus of a plant cell does not have chromosomes. (C) Mitochondria direct cell activities by sending instructions to different parts of a plant cell.
Answer: The answe... | ||||
null | Suppose Haley decides to watch the comedy. Which result would be a cost? | [
"Haley will get to watch the movie that she is more excited about.",
"Haley will give up the chance to watch a movie with her sister."
] | B | Haley is deciding whether to watch a comedy or an action movie. She would prefer to watch a comedy. But she also wants to watch a movie with her sister. Haley's sister will only watch an action movie. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Haley wants or needs:
Haley will give up the chance to watch a movie with her sister. | Context: Haley is deciding whether to watch a comedy or an action movie. She would prefer to watch a comedy. But she also wants to watch a movie with her sister. Haley's sister will only watch an action movie.
Question: Suppose Haley decides to watch the comedy. Which result would be a cost?
Options: (A) Haley will get... | Answer: The answer is B. | Context: Haley is deciding whether to watch a comedy or an action movie. She would prefer to watch a comedy. But she also wants to watch a movie with her sister. Haley's sister will only watch an action movie.
Question: Suppose Haley decides to watch the comedy. Which result would be a cost?
Options: (A) Haley will get... | |
null | Which bowl of oatmeal has a higher temperature? | [
"the bowl of oatmeal with less thermal energy",
"the bowl of oatmeal with more thermal energy"
] | B | Two bowls of oatmeal are identical except for their thermal energies. | closed choice | grade6 | natural science | physics | Thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two bowls of oatmeal are made of the same material and have the same mass. So, the bowl of oatmeal with more thermal energy has a higher temperature. | Context: Two bowls of oatmeal are identical except for their thermal energies.
Question: Which bowl of oatmeal has a higher temperature?
Options: (A) the bowl of oatmeal with less thermal energy (B) the bowl of oatmeal with more thermal energy
| Answer: The answer is B. | Context: Two bowls of oatmeal are identical except for their thermal energies.
Question: Which bowl of oatmeal has a higher temperature?
Options: (A) the bowl of oatmeal with less thermal energy (B) the bowl of oatmeal with more thermal energy
Answer: The answer is B. | |
null | Select the bird. | [
"sea otter",
"albatross",
"box turtle",
"common toad"
] | B | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds have feathers, two wings, and a beak. | A sea otter is a mammal. It has fur and feeds its young milk.
Sea otters have very thick fur. Their fur keeps them warm in cold water.
A common toad is an amphibian. It has moist skin and begins its life in water.
Toads do not have teeth! They swallow their food whole.
A box turtle is a reptile. It has scaly, waterproo... | Context: N/A
Question: Select the bird.
Options: (A) sea otter (B) albatross (C) box turtle (D) common toad
| Answer: The answer is B. | Context: N/A
Question: Select the bird.
Options: (A) sea otter (B) albatross (C) box turtle (D) common toad
Answer: The answer is B. | ||
null | Answer the riddle.
I am black.
I fly at night.
I sleep upside down.
What am I? | [
"a bat",
"a fox"
] | A | closed choice | grade1 | language science | vocabulary | Comprehension strategies | What am I? | A bat is black.
A bat flies at night.
A bat sleeps upside down. | Context: N/A
Question: Answer the riddle.
I am black.
I fly at night.
I sleep upside down.
What am I?
Options: (A) a bat (B) a fox
| Answer: The answer is A. | Context: N/A
Question: Answer the riddle.
I am black.
I fly at night.
I sleep upside down.
What am I?
Options: (A) a bat (B) a fox
Answer: The answer is A. | |||
null | Which statement describes the runner's motion? | [
"The runner is accelerating.",
"The runner has a constant velocity."
] | A | A runner is increasing her speed on the final stretch of a race. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Identify whether objects are accelerating | An object's velocity describes its speed and its direction.
An object has a constant velocity when neither its speed nor its direction is changing. So, an object has a constant velocity when the object is:
moving in a straight line at a constant speed, or
remaining motionless.
If an object does not have a constant velo... | The runner is speeding up. So, the runner is accelerating. | Context: A runner is increasing her speed on the final stretch of a race.
Question: Which statement describes the runner's motion?
Options: (A) The runner is accelerating. (B) The runner has a constant velocity.
| Answer: The answer is A. | Context: A runner is increasing her speed on the final stretch of a race.
Question: Which statement describes the runner's motion?
Options: (A) The runner is accelerating. (B) The runner has a constant velocity.
Answer: The answer is A. | |
null | How long is a garden snail? | [
"1 yard",
"1 inch",
"1 mile",
"1 foot"
] | B | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a garden snail is 1 inch.
1 foot, 1 yard, and 1 mile are all too long. | Context: Select the best estimate.
Question: How long is a garden snail?
Options: (A) 1 yard (B) 1 inch (C) 1 mile (D) 1 foot
| Answer: The answer is B. | Context: Select the best estimate.
Question: How long is a garden snail?
Options: (A) 1 yard (B) 1 inch (C) 1 mile (D) 1 foot
Answer: The answer is B. | |
null | What does the idiom in this text suggest?
In such an unfamiliar environment, Dwayne was a fish out of water. | [
"Dwayne felt out of place.",
"Dwayne had not visited that location before."
] | A | closed choice | grade8 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An idiom is an expression that cannot be understood literally. Its meaning must be learned.
The assignment was a piece of cake. | The text uses an idiom, an expression that cannot be understood literally.
The idiom a fish out of water suggests that Dwayne felt out of place. A fish out of water is someone out of his or her usual, comfortable environment. | Context: N/A
Question: What does the idiom in this text suggest?
In such an unfamiliar environment, Dwayne was a fish out of water.
Options: (A) Dwayne felt out of place. (B) Dwayne had not visited that location before.
| Answer: The answer is A. | Context: N/A
Question: What does the idiom in this text suggest?
In such an unfamiliar environment, Dwayne was a fish out of water.
Options: (A) Dwayne felt out of place. (B) Dwayne had not visited that location before.
Answer: The answer is A. | ||
null | Is this a sentence fragment?
In the fifth and sixth centuries, more than fifty thousand Buddhist statues carved into the rock of the Yungang Grottoes of China. | [
"yes",
"no"
] | A | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify sentence fragments | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A sentence fragment is a group of words that does not express a complete thought.
Rehearsing daily because we have a concert in two weeks.
This fragment is missing a subjec... | This is a sentence fragment. It does not express a complete thought.
In the fifth and sixth centuries, more than fifty thousand Buddhist statues carved into the rock of the Yungang Grottoes of China.
Here is one way to fix the sentence fragment:
In the fifth and sixth centuries, more than fifty thousand Buddhist statue... | Context: N/A
Question: Is this a sentence fragment?
In the fifth and sixth centuries, more than fifty thousand Buddhist statues carved into the rock of the Yungang Grottoes of China.
Options: (A) yes (B) no
| Answer: The answer is A. | Context: N/A
Question: Is this a sentence fragment?
In the fifth and sixth centuries, more than fifty thousand Buddhist statues carved into the rock of the Yungang Grottoes of China.
Options: (A) yes (B) no
Answer: The answer is A. | ||
null | Complete the sentence.
Ice melting in a cup is a (). | [
"physical change",
"chemical change"
] | A | closed choice | grade5 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form new molecules. The types of molecules in matter before an... | Ice melting in a cup is a change of state. So, it is a physical change. The solid ice becomes liquid, but it is still made of water.
The links between atoms in the water molecules do not change. So, a different type of matter is not formed. | Context: N/A
Question: Complete the sentence.
Ice melting in a cup is a ().
Options: (A) physical change (B) chemical change
| Answer: The answer is A. | Context: N/A
Question: Complete the sentence.
Ice melting in a cup is a ().
Options: (A) physical change (B) chemical change
Answer: The answer is A. | ||
null | What kind of sentence is this?
How many articles did Dave write before his publisher offered him a book contract? | [
"interrogative",
"exclamatory",
"declarative"
] | A | closed choice | grade6 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement, and it always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An interrogative sentence is a question, and it always ends with a question mark.
Do you have any plans for the upcoming... | The sentence asks something, and it ends with a question mark. It is an interrogative sentence. | Context: N/A
Question: What kind of sentence is this?
How many articles did Dave write before his publisher offered him a book contract?
Options: (A) interrogative (B) exclamatory (C) declarative
| Answer: The answer is A. | Context: N/A
Question: What kind of sentence is this?
How many articles did Dave write before his publisher offered him a book contract?
Options: (A) interrogative (B) exclamatory (C) declarative
Answer: The answer is A. | ||
null | How long is a garden snail? | [
"2 yards",
"2 inches"
] | B | Select the better estimate. | closed choice | grade2 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that a pencil is 8 long. You might be thinking, 8 what? Is the pencil 8 inches long? 8 feet? 8 miles?
The number 8 on its own does not give you much information about the len... | The better estimate for the length of a garden snail is 2 inches.
2 yards is too long. | Context: Select the better estimate.
Question: How long is a garden snail?
Options: (A) 2 yards (B) 2 inches
| Answer: The answer is B. | Context: Select the better estimate.
Question: How long is a garden snail?
Options: (A) 2 yards (B) 2 inches
Answer: The answer is B. | |
null | Select the animal that does not have a backbone. | [
"julia butterfly",
"sea eagle"
] | A | Hint: Insects, spiders, and worms do not have backbones. | closed choice | grade2 | natural science | biology | Classification | Identify animals with and without backbones | Some animals have a backbone. The backbone is made of many bones in an animal's back. An animal's backbone helps connect the different parts of its body. In the drawings below, each animal's backbone is colored orange.
Other animals do not have a backbone. In fact, these animals don't have any bones! Some animals witho... | A sea eagle is a bird. Like other birds, a sea eagle has a backbone.
A julia butterfly is an insect. Like other insects, a julia butterfly does not have a backbone. It has a hard outer cover. | Context: Hint: Insects, spiders, and worms do not have backbones.
Question: Select the animal that does not have a backbone.
Options: (A) julia butterfly (B) sea eagle
| Answer: The answer is A. | Context: Hint: Insects, spiders, and worms do not have backbones.
Question: Select the animal that does not have a backbone.
Options: (A) julia butterfly (B) sea eagle
Answer: The answer is A. | |
null | How long is a sofa? | [
"8 miles",
"8 yards",
"8 inches",
"8 feet"
] | D | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a sofa is 8 feet.
8 inches is too short. 8 yards and 8 miles are too long. | Context: Select the best estimate.
Question: How long is a sofa?
Options: (A) 8 miles (B) 8 yards (C) 8 inches (D) 8 feet
| Answer: The answer is D. | Context: Select the best estimate.
Question: How long is a sofa?
Options: (A) 8 miles (B) 8 yards (C) 8 inches (D) 8 feet
Answer: The answer is D. | |
null | What information supports the conclusion that Ann acquired this trait? | [
"Ann is most interested in human biology.",
"Ann learned biology by reading, observing, and experimenting."
] | B | Read the description of a trait.
Ann knows a lot about biology. | closed choice | grade4 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Context: Read the description of a trait.
Ann knows a lot about biology.
Question: What information supports the conclusion that Ann acquired this trait?
Options: (A) Ann is most interested in human biology. (B) Ann learned biology by reading, observing, and experimenting.
| Answer: The answer is B. | Context: Read the description of a trait.
Ann knows a lot about biology.
Question: What information supports the conclusion that Ann acquired this trait?
Options: (A) Ann is most interested in human biology. (B) Ann learned biology by reading, observing, and experimenting.
Answer: The answer is B. | ||
null | Compare the motion of two bats. Which bat was moving at a lower speed? | [
"a bat that moved 35kilometers in 5hours",
"a bat that moved 45kilometers in 5hours"
] | A | closed choice | grade2 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the kilometer.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects... | Look at the distance each bat moved and the time it took to move that distance.
One bat moved 35 kilometers in 5 hours.
The other bat moved 45 kilometers in 5 hours.
Notice that each bat spent the same amount of time moving. The bat that moved 35 kilometers moved a shorter distance in that time. So, that bat must have ... | Context: N/A
Question: Compare the motion of two bats. Which bat was moving at a lower speed?
Options: (A) a bat that moved 35kilometers in 5hours (B) a bat that moved 45kilometers in 5hours
| Answer: The answer is A. | Context: N/A
Question: Compare the motion of two bats. Which bat was moving at a lower speed?
Options: (A) a bat that moved 35kilometers in 5hours (B) a bat that moved 45kilometers in 5hours
Answer: The answer is A. | ||
null | Is this a run-on sentence?
Located just south of Dover, Tristan's Restaurant offers an eclectic menu in a scenic country setting. | [
"yes",
"no"
] | B | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify run-on sentences | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A run-on sentence is formed when two sentences are run together, joined by just a comma or by no punctuation at all. If only a comma is used, the run-on is called a comma s... | This is not a run-on sentence. It is not formed from two sentences that have been run together without appropriate punctuation.
Located just south of Dover, Tristan's Restaurant offers an eclectic menu in a scenic country setting. | Context: N/A
Question: Is this a run-on sentence?
Located just south of Dover, Tristan's Restaurant offers an eclectic menu in a scenic country setting.
Options: (A) yes (B) no
| Answer: The answer is B. | Context: N/A
Question: Is this a run-on sentence?
Located just south of Dover, Tristan's Restaurant offers an eclectic menu in a scenic country setting.
Options: (A) yes (B) no
Answer: The answer is B. | ||
null | Adapted from Richard Aldington, "Childhood" and adapted from Jane Taylor, "The Violet" | [
"Within a green and shady bed\nA modest violet grew;\nIts stalk was bent, it hung its head,\nAs if to hide from view.",
"It was all so dull—\nExcept a few gray legs under shiny black umbrellas\nRunning along the gray shiny sidewalks."
] | A | closed choice | grade4 | language science | reading-comprehension | Poetry elements | Identify elements of poetry | Poetry is a special kind of writing. It has many elements that make it different from ordinary writing. Knowing these elements can help you talk about poetry, understand it better, and enjoy it more.
A poem rhymes when it has a pattern of words that end in the same sound.
End rhyme is when the rhymes appear at the end ... | This poem has a regular rhythm, or a pattern of sound like a beat. The parts in bold show the strong syllables. The pattern is a weak syllable followed by a strong syllable. It sounds like da-DUM da-DUM.
As if to hide from view. | Context: N/A
Question: Adapted from Richard Aldington, "Childhood" and adapted from Jane Taylor, "The Violet"
Options: (A) Within a green and shady bed
A modest violet grew;
Its stalk was bent, it hung its head,
As if to hide from view. (B) It was all so dull—
Except a few gray legs under shiny black umbrellas
Running ... | Answer: The answer is A. | Context: N/A
Question: Adapted from Richard Aldington, "Childhood" and adapted from Jane Taylor, "The Violet"
Options: (A) Within a green and shady bed
A modest violet grew;
Its stalk was bent, it hung its head,
As if to hide from view. (B) It was all so dull—
Except a few gray legs under shiny black umbrellas
Running ... | ||
null | Using only these supplies, which question can Aiden investigate with an experiment? | [
"Do cloth towels dry faster if they are hung in the laundry room or in the backyard?",
"Does a small cloth towel or a large cloth towel dry faster when hung in the backyard?",
"When hung in the laundry room, do black cloth towels or white cloth towels dry more quickly?"
] | A | After Aiden cleans up a spill, he hangs a wet cloth towel in the laundry room. Two hours later, he notices that the towel has partially dried. He wonders what factors affect how cloth dries. So, he decides to design an experiment. He has the following supplies available:
two identical white cloth towels
water
a clothes... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | Context: After Aiden cleans up a spill, he hangs a wet cloth towel in the laundry room. Two hours later, he notices that the towel has partially dried. He wonders what factors affect how cloth dries. So, he decides to design an experiment. He has the following supplies available:
two identical white cloth towels
water
... | Answer: The answer is A. | Context: After Aiden cleans up a spill, he hangs a wet cloth towel in the laundry room. Two hours later, he notices that the towel has partially dried. He wonders what factors affect how cloth dries. So, he decides to design an experiment. He has the following supplies available:
two identical white cloth towels
water
... | ||
null | Based on this information, what is Undyne's phenotype for the tail spots trait? | [
"a spotted tail",
"II"
] | A | In a group of guppies, some individuals have a spotted tail and others have an unspotted tail. In this group, the gene for the tail spots trait has two alleles. The allele I is for a spotted tail, and the allele i is for an unspotted tail.
Undyne, a guppy from this group, has a spotted tail. Undyne has two alleles for ... | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's phenotype for a trait is its observable version of that trait. Undyne's observable version of the tail spots trait is a spotted tail. So, Undyne's phenotype for the tail spots trait is a spotted tail. | Context: In a group of guppies, some individuals have a spotted tail and others have an unspotted tail. In this group, the gene for the tail spots trait has two alleles. The allele I is for a spotted tail, and the allele i is for an unspotted tail.
Undyne, a guppy from this group, has a spotted tail. Undyne has two all... | Answer: The answer is A. | Context: In a group of guppies, some individuals have a spotted tail and others have an unspotted tail. In this group, the gene for the tail spots trait has two alleles. The allele I is for a spotted tail, and the allele i is for an unspotted tail.
Undyne, a guppy from this group, has a spotted tail. Undyne has two all... | |
null | Select the animal that does not have a backbone. | [
"fly",
"salt water crocodile"
] | A | Hint: Insects, spiders, and worms do not have backbones. | closed choice | grade2 | natural science | biology | Classification | Identify animals with and without backbones | Some animals have a backbone. The backbone is made of many bones in an animal's back. An animal's backbone helps connect the different parts of its body. In the drawings below, each animal's backbone is colored orange.
Other animals do not have a backbone. In fact, these animals don't have any bones! Some animals witho... | A fly is an insect. Like other insects, a fly does not have a backbone. It has a hard outer cover.
A salt water crocodile is a reptile. Like other reptiles, a salt water crocodile has a backbone. | Context: Hint: Insects, spiders, and worms do not have backbones.
Question: Select the animal that does not have a backbone.
Options: (A) fly (B) salt water crocodile
| Answer: The answer is A. | Context: Hint: Insects, spiders, and worms do not have backbones.
Question: Select the animal that does not have a backbone.
Options: (A) fly (B) salt water crocodile
Answer: The answer is A. | |
null | Which word would you find on a dictionary page with the following guide words?
behave - breakfast | [
"babies",
"bike"
] | B | closed choice | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since bike is between the guide words behave - breakfast, it would be found on that page. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
behave - breakfast
Options: (A) babies (B) bike
| Answer: The answer is B. | Context: N/A
Question: Which word would you find on a dictionary page with the following guide words?
behave - breakfast
Options: (A) babies (B) bike
Answer: The answer is B. | ||
null | What is the mass of a dinner fork? | [
"3 pounds",
"3 tons",
"3 ounces"
] | C | Select the best estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose customary units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using customary units, mass may be written with units of ounces, pounds, or ton... | The best estimate for the mass of a dinner fork is 3 ounces.
3 pounds and 3 tons are both too heavy. | Context: Select the best estimate.
Question: What is the mass of a dinner fork?
Options: (A) 3 pounds (B) 3 tons (C) 3 ounces
| Answer: The answer is C. | Context: Select the best estimate.
Question: What is the mass of a dinner fork?
Options: (A) 3 pounds (B) 3 tons (C) 3 ounces
Answer: The answer is C. | |
null | Which figure of speech is used in this text?
"Your new hairstyle is so boring!" Shane remarked when his sister showed up with a pink-and-blue mohawk. | [
"verbal irony",
"simile"
] | A | closed choice | grade7 | language science | figurative-language | Literary devices | Classify figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses verbal irony, which involves saying one thing but implying something very different.
Boring shows verbal irony because Shane's sister's hairstyle is not at all boring. | Context: N/A
Question: Which figure of speech is used in this text?
"Your new hairstyle is so boring!" Shane remarked when his sister showed up with a pink-and-blue mohawk.
Options: (A) verbal irony (B) simile
| Answer: The answer is A. | Context: N/A
Question: Which figure of speech is used in this text?
"Your new hairstyle is so boring!" Shane remarked when his sister showed up with a pink-and-blue mohawk.
Options: (A) verbal irony (B) simile
Answer: The answer is A. | ||
null | How long is a tennis court? | [
"75 yards",
"75 feet",
"75 inches",
"75 miles"
] | B | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a tennis court is 75 feet.
75 inches is too short. 75 yards and 75 miles are too long. | Context: Select the best estimate.
Question: How long is a tennis court?
Options: (A) 75 yards (B) 75 feet (C) 75 inches (D) 75 miles
| Answer: The answer is B. | Context: Select the best estimate.
Question: How long is a tennis court?
Options: (A) 75 yards (B) 75 feet (C) 75 inches (D) 75 miles
Answer: The answer is B. | |
null | What does the idiom in this text suggest?
Mr. and Mrs. Gregory usually see eye to eye, but not when it comes to the controversial mayoral race. | [
"Mr. and Mrs. Gregory usually agree.",
"Mr. and Mrs. Gregory are not politically active."
] | A | closed choice | grade9 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An idiom is an expression that cannot be understood literally. Its meaning must be learned.
The assignment was a piece of cake. | The text uses an idiom, an expression that cannot be understood literally.
The idiom see eye to eye suggests that Mr. and Mrs. Gregory usually agree. When you see eye to eye with someone, you share their opinion. | Context: N/A
Question: What does the idiom in this text suggest?
Mr. and Mrs. Gregory usually see eye to eye, but not when it comes to the controversial mayoral race.
Options: (A) Mr. and Mrs. Gregory usually agree. (B) Mr. and Mrs. Gregory are not politically active.
| Answer: The answer is A. | Context: N/A
Question: What does the idiom in this text suggest?
Mr. and Mrs. Gregory usually see eye to eye, but not when it comes to the controversial mayoral race.
Options: (A) Mr. and Mrs. Gregory usually agree. (B) Mr. and Mrs. Gregory are not politically active.
Answer: The answer is A. | ||
null | What information supports the conclusion that Emma acquired this trait? | [
"Some scars fade more quickly than others.",
"Emma's scar was caused by an accident. She cut her leg when she was climbing a tree."
] | B | Read the description of a trait.
Emma has a scar on her left leg. | closed choice | grade4 | natural science | biology | Traits and heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Context: Read the description of a trait.
Emma has a scar on her left leg.
Question: What information supports the conclusion that Emma acquired this trait?
Options: (A) Some scars fade more quickly than others. (B) Emma's scar was caused by an accident. She cut her leg when she was climbing a tree.
| Answer: The answer is B. | Context: Read the description of a trait.
Emma has a scar on her left leg.
Question: What information supports the conclusion that Emma acquired this trait?
Options: (A) Some scars fade more quickly than others. (B) Emma's scar was caused by an accident. She cut her leg when she was climbing a tree.
Answer: The answer... | ||
null | Which of the following contains a vague pronoun reference? | [
"Susan has pierced ears, but otherwise she looks almost identical to her twin sister Kate.",
"Susan looks almost identical to her twin sister Kate, but she has pierced ears."
] | B | closed choice | grade11 | language science | writing-strategies | Pronouns | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The second answer choice contains a vague pronoun reference. The pronoun she could refer to Susan or Kate.
Susan looks almost identical to her twin sister Kate, but she has pierced ears.
The first answer choice shows a possible correction for the vague pronoun reference. The text has been rewritten so that the meaning ... | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) Susan has pierced ears, but otherwise she looks almost identical to her twin sister Kate. (B) Susan looks almost identical to her twin sister Kate, but she has pierced ears.
| Answer: The answer is B. | Context: N/A
Question: Which of the following contains a vague pronoun reference?
Options: (A) Susan has pierced ears, but otherwise she looks almost identical to her twin sister Kate. (B) Susan looks almost identical to her twin sister Kate, but she has pierced ears.
Answer: The answer is B. | ||
null | Which correctly shows the title of a movie? | [
"\"The Adventures of Rocky and Bullwinkle\"",
"***The Adventures of Rocky and Bullwinkle***"
] | B | closed choice | grade9 | language science | punctuation | Formatting | Formatting titles | The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead.
A Midsummer Night's Dream
The title of a poem, song, article, or short story should be in quotation marks.
"You Are My Sunshine" | A movie should be in italics.
The correct title is **The Adventures of Rocky and Bullwinkle**. | Context: N/A
Question: Which correctly shows the title of a movie?
Options: (A) "The Adventures of Rocky and Bullwinkle" (B) ***The Adventures of Rocky and Bullwinkle***
| Answer: The answer is B. | Context: N/A
Question: Which correctly shows the title of a movie?
Options: (A) "The Adventures of Rocky and Bullwinkle" (B) ***The Adventures of Rocky and Bullwinkle***
Answer: The answer is B. | ||
null | Which sentence is more formal? | [
"Ms. Malone has several important proposals to discuss at the next city council meeting.",
"There are some things that Ms. Malone wants to bring up at the next city council meeting."
] | A | closed choice | grade7 | language science | writing-strategies | Author's purpose and tone | Which sentence is more formal? | Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing:
Type | Examples
slang | cool, awesome
idioms | knock your socks off
conversational language | gonna, kinda, yeah
abbreviated language | ASAP, FYI
overly simple or imprecise lan... | The second sentence is less formal. You can tell because it uses overly simple or imprecise language (some things, bring up).
The first sentence uses more precise language, so it is more formal overall. | Context: N/A
Question: Which sentence is more formal?
Options: (A) Ms. Malone has several important proposals to discuss at the next city council meeting. (B) There are some things that Ms. Malone wants to bring up at the next city council meeting.
| Answer: The answer is A. | Context: N/A
Question: Which sentence is more formal?
Options: (A) Ms. Malone has several important proposals to discuss at the next city council meeting. (B) There are some things that Ms. Malone wants to bring up at the next city council meeting.
Answer: The answer is A. | ||
null | What does the simile in this text suggest?
Whitney rubbed coconut oil on her hands, which were like the parched earth during a drought. | [
"Whitney's hands were hot.",
"Whitney's hands were dry and cracked."
] | B | closed choice | grade11 | language science | figurative-language | Literary devices | Interpret the figure of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A simile uses like or as to compare two things that are not actually alike.
The cat's fur was as dark as the night. | The text includes a simile, using like or as to compare two things that are not actually alike.
The simile like the parched earth during a drought suggests that Whitney's hands were dry and cracked. A drought is a period without rain; the ground during a drought can become hard and cracked. | Context: N/A
Question: What does the simile in this text suggest?
Whitney rubbed coconut oil on her hands, which were like the parched earth during a drought.
Options: (A) Whitney's hands were hot. (B) Whitney's hands were dry and cracked.
| Answer: The answer is B. | Context: N/A
Question: What does the simile in this text suggest?
Whitney rubbed coconut oil on her hands, which were like the parched earth during a drought.
Options: (A) Whitney's hands were hot. (B) Whitney's hands were dry and cracked.
Answer: The answer is B. | ||
null | Which figure of speech is used in this text?
Caleb is a real Benedict Arnold. After promising to work on my campaign for class president, he decided to support my opponent. | [
"simile",
"allusion"
] | B | closed choice | grade8 | language science | figurative-language | Literary devices | Classify figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses an allusion, a brief reference to someone or something well known.
Benedict Arnold alludes to the American general during the Revolutionary War who betrayed his country and fought for the British. | Context: N/A
Question: Which figure of speech is used in this text?
Caleb is a real Benedict Arnold. After promising to work on my campaign for class president, he decided to support my opponent.
Options: (A) simile (B) allusion
| Answer: The answer is B. | Context: N/A
Question: Which figure of speech is used in this text?
Caleb is a real Benedict Arnold. After promising to work on my campaign for class president, he decided to support my opponent.
Options: (A) simile (B) allusion
Answer: The answer is B. | ||
null | What is the mass of a full bag of groceries? | [
"6 tons",
"6 ounces",
"6 pounds"
] | C | Select the best estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose customary units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using customary units, mass may be written with units of ounces, pounds, or ton... | The best estimate for the mass of a full bag of groceries is 6 pounds.
6 ounces is too light and 6 tons is too heavy. | Context: Select the best estimate.
Question: What is the mass of a full bag of groceries?
Options: (A) 6 tons (B) 6 ounces (C) 6 pounds
| Answer: The answer is C. | Context: Select the best estimate.
Question: What is the mass of a full bag of groceries?
Options: (A) 6 tons (B) 6 ounces (C) 6 pounds
Answer: The answer is C. | |
null | Which is a complex sentence? | [
"Camille and her mom sat on the back porch and watched as the sun sank into the horizon.",
"Open and honest communication is the foundation of a healthy relationship."
] | A | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The second sentence is the complex sentence. It is made up of an independent clause and a dependent clause. The dependent clause begins with the subordinating conjunction as.
Camille and her mom sat on the back porch and watched as the sun sank into the horizon. | Context: N/A
Question: Which is a complex sentence?
Options: (A) Camille and her mom sat on the back porch and watched as the sun sank into the horizon. (B) Open and honest communication is the foundation of a healthy relationship.
| Answer: The answer is A. | Context: N/A
Question: Which is a complex sentence?
Options: (A) Camille and her mom sat on the back porch and watched as the sun sank into the horizon. (B) Open and honest communication is the foundation of a healthy relationship.
Answer: The answer is A. | ||
null | Which text uses the word random in its traditional sense? | [
"During the nineteenth century, the U.S. Army used camels as pack animals in the Southwest. Though the program was discontinued after the outbreak of the Civil War, reported sightings of random camels throughout the Southwest continued through at least the 1940s.",
"Camels in the wild tend to eat an apparently ra... | B | closed choice | grade10 | language science | writing-strategies | Word usage and nuance | Explore words with new or contested usages | Words change in meaning when speakers begin using them in new ways. For example, the word peruse once only meant to examine in detail, but it's now also commonly used to mean to look through in a casual manner.
When a word changes in meaning, its correct usage is often debated. Although a newer sense of the word may be... | The first text uses random in its traditional sense: made or occurring without a definite pattern.
Camels in the wild tend to eat an apparently random assortment of leaves, grasses, shrubs, and other plant matter. As an adaptation to their native desert environment, they are able to eat even thorny and salt-heavy plant... | Context: N/A
Question: Which text uses the word random in its traditional sense?
Options: (A) During the nineteenth century, the U.S. Army used camels as pack animals in the Southwest. Though the program was discontinued after the outbreak of the Civil War, reported sightings of random camels throughout the Southwest c... | Answer: The answer is B. | Context: N/A
Question: Which text uses the word random in its traditional sense?
Options: (A) During the nineteenth century, the U.S. Army used camels as pack animals in the Southwest. Though the program was discontinued after the outbreak of the Civil War, reported sightings of random camels throughout the Southwest c... | ||
null | Select the living thing. | [
"cherry tree",
"stop sign"
] | A | closed choice | grade2 | natural science | biology | Classification | Identify living and nonliving things | All living things need food and water. Water helps living things stay healthy. Food gives living things energy. They can use this energy to grow and change. All living things grow and change during their lives. Living things can get bigger and grow new body parts.
For example, an oak tree is a living thing. It begins l... | A stop sign is not a living thing.
Stop signs do not have all of the traits of living things. They do not grow. They do not need food or water.
A cherry tree is a living thing.
Cherry trees grow and change. They need food and water.
Cherry trees are plants. They make their own food using water, air, and energy from sun... | Context: N/A
Question: Select the living thing.
Options: (A) cherry tree (B) stop sign
| Answer: The answer is A. | Context: N/A
Question: Select the living thing.
Options: (A) cherry tree (B) stop sign
Answer: The answer is A. | ||
null | Which sentence uses a simile? | [
"Mr. Dodson's long legs were sunflower stalks.",
"Mr. Dodson's legs were as long as sunflower stalks."
] | B | closed choice | grade5 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | This sentence uses a simile:
Mr. Dodson's legs were as long as sunflower stalks.
The words legs and sunflower stalks are compared using the word as.
This sentence uses a metaphor:
Mr. Dodson's long legs were sunflower stalks.
The words legs and sunflower stalks are compared without the word like or as. | Context: N/A
Question: Which sentence uses a simile?
Options: (A) Mr. Dodson's long legs were sunflower stalks. (B) Mr. Dodson's legs were as long as sunflower stalks.
| Answer: The answer is B. | Context: N/A
Question: Which sentence uses a simile?
Options: (A) Mr. Dodson's long legs were sunflower stalks. (B) Mr. Dodson's legs were as long as sunflower stalks.
Answer: The answer is B. | ||
null | Which of the following parts does an animal cell have? | [
"chloroplasts",
"vacuole"
] | B | closed choice | grade4 | natural science | biology | Cells | Compare plant and animal cells | Plant and animal cells have many parts in common, but not all. This table shows some of their similarities and differences.
Cell part | Plant cell | Animal cell
cell wall | yes | no
cell membrane | yes | yes
cytoplasm | yes | yes
mitochondria | yes | yes
vacuole | yes | yes
chloroplasts | yes | no
nucleus | yes | yes
c... | Context: N/A
Question: Which of the following parts does an animal cell have?
Options: (A) chloroplasts (B) vacuole
| Answer: The answer is B. | Context: N/A
Question: Which of the following parts does an animal cell have?
Options: (A) chloroplasts (B) vacuole
Answer: The answer is B. | |||
null | What do these two changes have in common?
silver jewelry tarnishing
boiling sugar to make caramel | [
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling.",
"Both are chemical changes."
] | D | closed choice | grade8 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
Metal turning less shiny over time is called tarnishing. Silver jewelry tarnishing is a chemical change. The silver reacts with sulfur in the air to form black tarnish. The tarnish is a different type of matter that was not there before the change.
Boiling sugar to make caramel is a che... | Context: N/A
Question: What do these two changes have in common?
silver jewelry tarnishing
boiling sugar to make caramel
Options: (A) Both are only physical changes. (B) Both are caused by heating. (C) Both are caused by cooling. (D) Both are chemical changes.
| Answer: The answer is D. | Context: N/A
Question: What do these two changes have in common?
silver jewelry tarnishing
boiling sugar to make caramel
Options: (A) Both are only physical changes. (B) Both are caused by heating. (C) Both are caused by cooling. (D) Both are chemical changes.
Answer: The answer is D. | ||
null | Select the temperature shown by this thermometer. | [
"25°C",
"15°C",
"45°C"
] | C | closed choice | grade3 | natural science | units-and-measurement | Weather and climate | Read a thermometer | A thermometer is a tool that measures temperature. Temperature can be measured in degrees. The symbol for degrees is °.
Some thermometers measure temperature in degrees Celsius (°C). Celsius is one scale used to measure temperature.
This is a tube thermometer. It has a tube filled with a red liquid.
There is a Celsius ... | Find the top of the red liquid.
Now look at the scale to the right. The top of the red liquid lines up with 45. So, the temperature is 45°C. | Context: N/A
Question: Select the temperature shown by this thermometer.
Options: (A) 25°C (B) 15°C (C) 45°C
| Answer: The answer is C. | Context: N/A
Question: Select the temperature shown by this thermometer.
Options: (A) 25°C (B) 15°C (C) 45°C
Answer: The answer is C. |
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