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What information supports the conclusion that Becky inherited this trait? | [
"Becky's parents were born with wavy hair. They passed down this trait to Becky.",
"Becky and her mother both have short hair."
] | 0 | Read the description of a trait.
Becky has wavy hair. | closed choice | grade5 | 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... | |
What do these two changes have in common?
shaking up salad dressing
mixing sand and gravel | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | 1 | 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.
Shaking up salad dressing is a physical change. The different parts mix together, but they are still made of the same type of matter.
Mixing sand and gravel is a physical change. Together, the sand and gravel make a mixture. But making this mixture does not form a different type of matt... | |
Select the living thing. | [
"computer",
"windmill",
"yo-yo",
"green frog"
] | 3 | 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 computer is not a living thing.
A computer does not have all the traits of a living thing. It does many useful things, and even responds to the world around it. But it does not grow. It does not need food or water.
A green frog is a living thing.
Green frogs grow and respond to their environment. They need food and w... | |
Which tense does the sentence use?
We eat yogurt and fruit for breakfast. | [
"past tense",
"present tense",
"future tense"
] | 1 | closed choice | grade4 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, eat. The verb tells you about something that is true or happening now. | |
What is the source of the allusion in the sentence below?
Mr. Copeland has a reputation as a Scrooge, so our club has stopped asking him for donations. | [
"the Bible",
"literature"
] | 1 | 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 Scrooge is literature.
The novella A Christmas Carol, by Charles Dickens, tells the story of the penny-pinching and bitter Ebenezer Scrooge, who values money more than people.
The allusion Scrooge means a person who isn't generous. | |
Is the following trait inherited or acquired?
Frank is good at cooking. | [
"acquired",
"inherited"
] | 0 | Hint: Cooking well takes practice. | 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... | People are not born knowing how to cook. Instead, many people learn how to cook. So, cooking is an acquired trait. |
Which word is not like the others? | [
"year",
"home",
"week",
"day"
] | 1 | closed choice | grade1 | 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. | Week, year, and day go together. They are time words. Home is not a time word, so it is not like the other words. | |
Which greeting is correct for a letter? | [
"Dear aunt Bella,",
"Dear Aunt Bella,"
] | 1 | 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. Aunt Bella is capitalized because it is a proper noun. | |
Select the mixture. | [
"cookie dough",
"silver"
] | 0 | closed choice | grade2 | natural science | physics | Mixtures | Identify mixtures | A pure substance is made of only one type of matter.
A mixture is made of two or more types of matter mixed together. | ||
Which figure of speech is used in this text?
Carrie, I've told you a million times: you need to dry the dishes before you put them away. | [
"hyperbole",
"oxymoron"
] | 0 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses hyperbole, an obvious exaggeration that is not meant to be taken literally.
A million times is an exaggeration, since it is unlikely that Carrie has actually been told this a million times. | |
What is the source of the allusion in the sentence below?
Wyatt spoke at the city council meeting, claiming the new recycling regulations were draconian. | [
"a fable",
"Greek history"
] | 1 | closed choice | grade12 | 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.
The protean nature of the disease makes it difficult to diagnose.
The word protean is an allusion to the sea god Proteus in Gree... | 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. | |
Last year, there were seven men's clothing stores on Main Street in Lowell. This year, there are only three. What probably happened to the overall supply of men's shirts in Lowell? | [
"The supply probably went down.",
"The supply probably went up."
] | 0 | closed choice | grade3 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | When four men's clothing stores closed on Main Street, the number of suppliers went down. There were fewer stores selling men's shirts. So, the supply of men's shirts probably went down. | |
What is the temperature of a hot day in the desert? | [
"46°C",
"46°F"
] | 0 | 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 a hot day in the desert is 46°C.
46°F is too cold. |
Which greeting is correct for a letter? | [
"Dear Nancy,",
"Dear nancy,"
] | 0 | closed choice | grade2 | language science | capitalization | Capitalization | 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. Nancy is capitalized because it is a proper noun. | |
Which closing is correct for a letter? | [
"Many Thanks,\nJoy",
"Many thanks,\nJoy"
] | 1 | closed choice | grade4 | 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 closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Complete the sentence.
Theodore Roosevelt is best known as () from the early 1900s. | [
"an inventor",
"a president",
"a pilot",
"an artist"
] | 1 | closed choice | grade3 | social science | us-history | Historical figures | Theodore Roosevelt | Theodore Roosevelt was president of the United States in the early 1900 s. He was president for nearly eight years. | ||
Which of the following contains a vague pronoun reference? | [
"After scouring the classified ads for days, Greg finally found a used car that fit his budget. The sedan had Bluetooth, but it needed to be fixed.",
"After scouring the classified ads for days, Greg finally found a used car that fit his budget. The sedan needed to be fixed, but it had Bluetooth."
] | 0 | closed choice | grade10 | 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 it could refer to the sedan or Bluetooth.
After scouring the classified ads for days, Greg finally found a used car that fit his budget. The sedan had Bluetooth, but it needed to be fixed.
The second answer choice shows a possible correction for th... | |
What information supports the conclusion that Mandy inherited this trait? | [
"Mandy and her father both have dark hair.",
"Mandy's parents have dark skin. They passed down this trait to Mandy."
] | 1 | Read the description of a trait.
Mandy has dark skin. | closed choice | grade3 | natural science | biology | 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... | |
According to Newton's third law, what other force must be happening? | [
"The suitcase is pushing on Logan.",
"The suitcase is pulling on Logan."
] | 1 | 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:
Logan is pulling on a full suitcase. | closed choice | grade6 | 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... | Logan is pulling on the suitcase. So, Newton's third law tells you that the suitcase is pulling on Logan. |
Which object has the least thermal energy? | [
"a 250-gram mug of cider at a temperature of 31°C",
"a 250-gram mug of cider at a temperature of 29°C",
"a 250-gram mug of cider at a temperature of 53°C"
] | 1 | The objects are identical except for their temperatures. | closed choice | grade4 | 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 slow down, the temperature goes down. The matter now has both ... | All three mugs of cider have the same mass but different temperatures. Since the 29°C mug of cider is the coldest, it has the least thermal energy. |
What does the simile in this text suggest?
Sofia rubbed coconut oil on her hands, which were like the parched earth during a drought. | [
"Sofia's hands were dry and cracked.",
"Sofia was baking something."
] | 0 | 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.
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 Sofia's hands were dry and cracked. A drought is a period without rain; the ground during a drought can become hard and cracked. | |
What is the source of the allusion in the sentence below?
Riley warned her youngest son not to cry wolf while wrestling with his older brother. | [
"U.S. history",
"a fable"
] | 1 | closed choice | grade9 | 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 cry wolf is a fable.
In the fable "The Boy Who Cried Wolf," a shepherd boy repeatedly tricks people in his village by falsely claiming that a wolf is coming to eat his flock. When a wolf actually comes and the boy cries for help, nobody believes him or comes to his aid.
The allusion cry wolf ... | |
Complete the sentence.
The Ninth Amendment says that the American people () have rights other than the ones listed in the Constitution. | [
"do not",
"do"
] | 1 | closed choice | grade4 | social science | civics | Government | The Bill of Rights | The Ninth Amendment says that people do have rights other than the ones listed in the Constitution. Even if the Constitution doesn't list a right, the right might still exist. The Bill of Rights lists some rights. But it is not meant to be a complete list of all rights. The full text of the Ninth Amendment is below. Th... | ||
What do these two changes have in common?
rust forming on a metal gate
a piece of pear turning brown | [
"Both are caused by heating.",
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by cooling."
] | 2 | 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.
Rust forming on a metal gate is a chemical change. As the gate rusts, the metal turns into a different type of matter called rust. Rust is reddish-brown and falls apart easily.
A piece of a pear turning brown is a chemical change. The substances in the pear react with oxygen in the air ... | |
Would you find the word told on a dictionary page with the following guide words?
three - tramp | [
"yes",
"no"
] | 0 | 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 told is between the guide words three - tramp, it would be found on that page. | |
Based on this information, what is Ellen's genotype for the Thomsen disease gene? | [
"having Thomsen disease",
"MM"
] | 1 | This passage describes the Thomsen disease trait in humans:
In a group of humans, some individuals have Thomsen disease and others do not. In this group, the gene for the Thomsen disease trait has two alleles. The allele M is for having Thomsen disease, and the allele m is for not having Thomsen disease.
Ellen, a huma... | 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 genotype for a gene is its combination of alleles for that gene. Ellen has two alleles for having Thomsen disease (M). So, Ellen's genotype for the Thomsen disease gene is MM. |
Based on this information, what is Panini's phenotype for the fur type trait? | [
"straight fur",
"curly fur"
] | 0 | In a group of cats, some individuals have straight fur and others have curly fur. In this group, the gene for the fur type trait has two alleles. The allele for straight fur (F) is dominant over the allele for curly fur (f).
Panini is a cat from this group. Panini has the heterozygous genotype Ff for the fur type gene. | closed choice | grade7 | natural science | biology | Genes to traits | Genetics vocabulary: dominant and recessive | 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 ... | You need to determine Panini's phenotype for the fur type trait. First, consider the alleles in Panini's genotype for the fur type gene. Then, decide whether these alleles are dominant or recessive.
The allele for straight fur (F) is dominant over the allele for curly fur (f). This means F is a dominant allele, and f i... |
Select the elementary substance. | [
"hydrogen peroxide (H2O2)",
"beryllium (Be)",
"fluoromethane (CH3F)"
] | 1 | closed choice | grade5 | natural science | chemistry | Atoms and molecules | Identify 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... | Look at the chemical formula for each substance, and count the number of symbols in the formula. Then, decide if the substance is an elementary substance. The chemical formula for beryllium contains one symbol: Be. So, beryllium is made of one chemical element. Substances that are made of one chemical element are eleme... | |
What does the personification in this text suggest?
The lighthouse horn moaned, and the sound traveled through the thick fog, reaching the sailors who were enveloped in the grayness. | [
"The horn made a long, low sound.",
"The lighthouse was old and needed repairs."
] | 0 | 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.
Personification is giving human characteristics to nonhuman things.
The trees danced in the wind. | The text uses personification, giving human characteristics to nonhuman things.
Moaned suggests that the horn made a long, low sound. A moan is a long, low sound that a person makes. | |
Which object has less thermal energy? | [
"a 5-kilogram block of steel at a temperature of 155°C",
"a 5-kilogram block of steel at a temperature of 175°C"
] | 0 | 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 slow down, the temperature goes down. The matter now has both ... | The two blocks of steel have the same mass but different temperatures. Since the 155°C block is colder than the 175°C block, it has less thermal energy. |
Which word would you find on a dictionary page with the following guide words?
obtain - order | [
"ounce",
"once"
] | 1 | closed choice | grade7 | 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 once is between the guide words obtain - order, it would be found on that page. | |
Complete the statement.
Iodine is (). | [
"a compound",
"an elementary substance"
] | 1 | Iodine is found in some types of disinfectants. The chemical formula for iodine is I2. | closed choice | grade8 | 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 iodine 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 iodine, I2, contains one atomic symbol: I. ... |
What does the allusion in this text suggest?
When Mariana claimed she had loaded the dishwasher before turning on Dancing with the Stars, her mother replied, "Your nose is growing!" | [
"Mariana was goofy.",
"Mariana was lying."
] | 1 | 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 allusion is a brief reference to something or someone well known, often from history or literature.
"I'd better get home before I turn into a pumpkin!" Lila remarked. | The text uses an allusion, a brief reference to someone or something well known.
The allusion nose is growing suggests that Mariana was lying. In the story of Pinocchio, when Pinocchio lies, his nose grows longer. | |
Which is a compound sentence? | [
"Whales live in the water, but they breathe air.",
"The skier flew down the mountain at top speed."
] | 0 | 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.
Whales live in the water, but they breathe air. | |
Which is a simple sentence? | [
"The detour took us across the bridge and along the one-lane road by the river.",
"You can use your gift certificate for one big purchase, or you can buy a few smaller items."
] | 0 | 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 simple sentence. It is a single independent clause.
The detour took us across the bridge and along the one-lane road by the river. | |
Which is a compound sentence? | [
"That musician is sick today, so Jeremiah will fill in on guitar.",
"My stepsister decorated her folder with glitter."
] | 0 | 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 so.
That musician is sick today, so Jeremiah will fill in on guitar. | |
What information supports the conclusion that Rosanne inherited this trait? | [
"Rosanne and her father both have dark hair.",
"Rosanne's parents have dark skin. They passed down this trait to Rosanne."
] | 1 | Read the description of a trait.
Rosanne has dark skin. | closed choice | grade5 | 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... | |
Compare the motion of two sailboats. Which sailboat was moving at a higher speed? | [
"a sailboat that moved 170kilometers in 10hours",
"a sailboat that moved 100kilometers in 10hours"
] | 0 | 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 sailboat moved and the time it took to move that distance.
One sailboat moved 170 kilometers in 10 hours.
The other sailboat moved 100 kilometers in 10 hours.
Notice that each sailboat spent the same amount of time moving. The sailboat that moved 170 kilometers moved a farther distance in that... | |
Complete the sentence so that it uses personification.
The car engine () as Mr. Harding tried to start it in the freezing cold. | [
"failed",
"coughed"
] | 1 | closed choice | grade8 | language science | writing-strategies | Creative techniques | Use personification | Personification is giving human characteristics to nonhuman things. It is a figure of speech that can be used to make writing more interesting or to emphasize a point.
The trees danced in the wind.
The word danced describes the trees as if they were people. Unlike people, however, trees can't actually dance. Instead, t... | Complete the sentence with the word coughed. It describes the engine as if it were a person who is sick. | |
Which phrase has a more negative connotation? | [
"complain about something",
"talk about something"
] | 0 | closed choice | grade4 | language science | vocabulary | Shades of meaning | Positive and negative connotation | Connotation is the feeling or idea that goes along with a word or phrase. Some words are close in meaning but have different connotations.
For example, think about the words eager and impatient. They both mean wanting something to happen, but they have different connotations.
Eager has a positive connotation. It is a n... | Complain about something has a more negative connotation. If you complain about something, you talk about it in a whiny way. | |
Select the animal that has a backbone. | [
"castor bean tick",
"American crocodile"
] | 1 | Hint: Mammals, birds, fish, reptiles, and amphibians all 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 castor bean tick is an insect. Like other insects, a castor bean tick does not have a backbone. It has a hard outer cover.
An American crocodile is a reptile. Like other reptiles, an American crocodile has a backbone. |
Would you find the word admiral on a dictionary page with the following guide words?
absorb - art | [
"yes",
"no"
] | 0 | yes or no | 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 admiral is between the guide words absorb - art, it would be found on that page. | |
Compare the motion of three sailboats. Which sailboat was moving at the lowest speed? | [
"a sailboat that moved 50kilometers north in 5hours",
"a sailboat that moved 70kilometers west in 5hours",
"a sailboat that moved 25kilometers east in 5hours"
] | 2 | 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 sailboat moved and the time it took to move that distance. The direction each sailboat moved does not affect its speed.
Notice that each sailboat moved for 5 hours. The sailboat that moved 25 kilometers moved the shortest distance in that time. So, that sailboat must have moved at the lowest s... | |
Assume all other forces on Jennifer are balanced. Which statement describes the forces on Jennifer? | [
"The forces are unbalanced, so there is a net force on Jennifer.",
"The forces are balanced, so there is no net force on Jennifer."
] | 0 | Jennifer is sitting on a roller coaster cart as it reaches the bottom of a big loop. Earth's gravity is pulling down on Jennifer with a force of 600N. The seat of the cart is pushing up on Jennifer with a force of 1,200N. | closed choice | grade7 | natural science | physics | Velocity, acceleration, and forces | Balanced and unbalanced forces | A force is a push or a pull that acts on an object. Every force has a direction and a magnitude, or strength. If two forces act on an object in opposite directions, the forces are called opposing forces.
When opposing forces have the same magnitude, they are balanced. If all the forces on an object are balanced, there ... | To determine if there is a net force on Jennifer, look at the forces:
Earth's gravity is pulling Jennifer down with a force of 600 N.
The seat of the cart is pushing Jennifer up with a force of 1,200 N.
The forces are in opposite directions, and the forces have different magnitudes: 600 N and 1,200 N. This means that t... |
Which figure of speech is used in this text?
I've heard that Bridgette & Co. is downsizing, so I'm happy to see that their store in downtown Greenville will remain open for now. | [
"euphemism",
"hyperbole"
] | 0 | closed choice | grade12 | language science | figurative-language | Literary devices | Classify the figure 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.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Downsizing is an indirect way of saying that the company is planning on firing employees, closing shops or branches, and/or reducing its budget. | |
How long is a guitar? | [
"31 inches",
"31 feet"
] | 0 | 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 guitar is 31 inches.
31 feet is too long. |
Select the one true statement. | [
"The cell membrane of a plant cell uses sunlight to make sugar.",
"Plant cells can have mitochondria but do not have vacuoles.",
"Chromosomes are inside the nucleus of a plant cell."
] | 2 | closed choice | grade7 | natural science | biology | Cells | Compare cells and cell parts | |||
Based on this information, what is this tomato plant's genotype for the fruit texture gene? | [
"Ff",
"smooth fruit"
] | 0 | In a group of tomato plants, some individuals have smooth fruit and others have fuzzy fruit. In this group, the gene for the fruit texture trait has two alleles. The allele F is for smooth fruit, and the allele f is for fuzzy fruit.
A certain tomato plant from this group has smooth fruit. This plant has one allele for ... | 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 tomato plant has one allele for smooth fruit (F) and one allele for fuzzy fruit (f). So, the plant's genotype for the fruit texture gene is Ff. |
Select the animal that does not have a backbone. | [
"clownfish",
"monarch butterfly"
] | 1 | 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 monarch butterfly is an insect. Like other insects, a monarch butterfly does not have a backbone. It has a hard outer cover.
A clownfish is a fish. Like other fish, a clownfish has a backbone. |
Compare the motion of two blue whales. Which blue whale was moving at a lower speed? | [
"a blue whale that moved 75miles in 10hours",
"a blue whale that moved 100miles in 10hours"
] | 0 | 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 mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects movi... | Look at the distance each blue whale moved and the time it took to move that distance.
One blue whale moved 75 miles in 10 hours.
The other blue whale moved 100 miles in 10 hours.
Notice that each blue whale spent the same amount of time moving. The blue whale that moved 75 miles moved a shorter distance in that time. ... | |
Complete the statement.
Krypton is (). | [
"an elementary substance",
"a compound"
] | 0 | Krypton is one of the rarest gases found in Earth's atmosphere. The chemical formula for krypton is Kr. | 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 krypton 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 krypton is Kr. This formula contains one symbol: Kr. So, the... |
Which sentence states a fact? | [
"Hawaii is too far from the other states.",
"The state of Hawaii is located in the Pacific Ocean."
] | 1 | closed choice | grade5 | social science | civics | Social studies skills | Identify facts and opinions | A fact is something that can be proved to be true. Facts can be proved by observing, measuring, or studying information.
The flag of the United States has 13 stripes.
This is a fact. It can be proved by looking at the flag and counting the number of stripes.
An opinion is something that a person believes, thinks, or fe... | The second sentence states a fact.
The state of Hawaii is located in the Pacific Ocean.
It can be proved by finding Hawaii on a world map.
The first sentence states an opinion.
Hawaii is too far from the other states.
Too far shows what a person believes, thinks, or feels. Another person might have a different opinion ... | |
Which word would you find on a dictionary page with the following guide words?
advertise - alike | [
"afford",
"approach"
] | 0 | 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 afford is between the guide words advertise - alike, it would be found on that page. | |
Which sentence states a fact? | [
"Summers in the United States are too hot.",
"In North America, summer starts in late June."
] | 1 | closed choice | grade5 | social science | civics | Social studies skills | Identify facts and opinions | A fact is something that can be proved to be true. Facts can be proved by observing, measuring, or studying information.
The flag of the United States has 13 stripes.
This is a fact. It can be proved by looking at the flag and counting the number of stripes.
An opinion is something that a person believes, thinks, or fe... | The second sentence states a fact.
In North America, summer starts in late June.
It can be proved by checking a calendar.
The first sentence states an opinion.
Summers in the United States are too hot.
Too hot shows what a person believes, thinks, or feels. Another person might have a different opinion about how hot is... | |
Which figure of speech is used in this text?
We don't need to decrease the cost of the product; we need to increase the quality of the product. | [
"euphemism",
"antithesis"
] | 1 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure 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.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses antithesis, the contrasting of opposing ideas within a parallel grammatical structure.
The sentence contrasts two things related to a product, decrease the cost and increase the quality. | |
Which is the stickiest? | [
"jam",
"cardboard",
"nylon shorts"
] | 0 | closed choice | grade4 | 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... | Sticky is a property. A sticky material easily attaches to other things.
Look at each picture, one at a time. Imagine touching the material shown in each picture.
Of the choices, the jam is the stickiest. If you touch jam, it will stick to you. | |
Which phrase has a more negative connotation? | [
"use water",
"waste water"
] | 1 | closed choice | grade4 | language science | vocabulary | Shades of meaning | Positive and negative connotation | Connotation is the feeling or idea that goes along with a word or phrase. Some words are close in meaning but have different connotations.
For example, think about the words eager and impatient. They both mean wanting something to happen, but they have different connotations.
Eager has a positive connotation. It is a n... | Waste water has a more negative connotation. If you waste water, you use it in a bad way. | |
Based on this information, what is Nutmeg's phenotype for the fur color trait? | [
"ff",
"light fur"
] | 1 | In a group of rock pocket mice, some individuals have dark fur and others have light fur. In this group, the gene for the fur color trait has two alleles. The allele F is for dark fur, and the allele f is for light fur.
Nutmeg, a rock pocket mouse from this group, has light fur. Nutmeg has two alleles for light fur. | 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 phenotype for a trait is its observable version of that trait. Nutmeg's observable version of the fur color trait is light fur. So, Nutmeg's phenotype for the fur color trait is light fur. |
Which logical fallacy is used in the text?
We cannot have shorter prison sentences, even for low-level criminals. It would only be a matter of time before all prison sentences were reduced and violent offenders were roaming the streets! | [
"ad hominem: an attack against the person making the argument, rather than the argument itself",
"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"
] | 2 | closed choice | grade11 | 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 going easy on low-level criminals will lead to going easy on violent criminals, too. However, there is no reason why easing penalties for low-level criminals must necessarily lead to changes to penalties for violent criminals. This illustrates a type of logical fallacy known as the slippery slope f... | |
Complete the sentence.
A () can grow into a new plant. | [
"petal",
"leaf",
"seed"
] | 2 | closed choice | grade4 | natural science | biology | Plants | Describe and construct flowering plant life cycles | Many plants have flowers. These plants can use their flowers to reproduce, or make new plants like themselves. How do plants use their flowers to reproduce?
First, the male part of the flower makes pollen, and the female part makes eggs. Animals, wind, or water can move pollen. Pollination is what happens when pollen i... | A seed can germinate and grow into a new plant.
Plants can grow leaves and petals. But leaves and petals cannot grow into a new plant. | |
Which organ works in groups to move the body's bones? | [
"heart",
"stomach",
"brain",
"muscles"
] | 3 | closed choice | grade5 | natural science | biology | Animals | Human organs and their functions | |||
Which word would you find on a dictionary page with the following guide words?
bicycle - butterfly | [
"bee",
"bruise"
] | 1 | 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 bruise is between the guide words bicycle - butterfly, it would be found on that page. | |
Which object has less thermal energy? | [
"a 10-kilogram block of iron at a temperature of 225°F",
"a 10-kilogram block of iron at a temperature of 210°F"
] | 1 | 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 slow down, the temperature goes down. The matter now has both ... | The two blocks of iron have the same mass but different temperatures. Since the 210°F block is colder than the 225°F block, it has less thermal energy. |
Select the description that doesn't belong. | [
"slowly",
"poorly",
"swiftly",
"quickly"
] | 1 | closed choice | grade3 | language science | vocabulary | Categories | Select the words that don't belong | Poorly doesn't belong.
Swiftly, slowly, and quickly all describe the speed at which something happens. | ||
Which figure of speech is used in this text?
Michael returned to the parking lot to find his car somewhat destroyed. Apparently someone had crashed into it while he was working and had broken the entire front windshield. | [
"hyperbole",
"oxymoron"
] | 1 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Somewhat destroyed is a contradiction, because somewhat means partially or moderately, and destroyed implies totally wrecked. | |
Which tense does the sentence use?
I tell Katy my opinions about her music. | [
"present tense",
"past tense",
"future tense"
] | 0 | closed choice | grade4 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, tell. The verb tells you about something that is true or happening now. | |
Select the invertebrate. | [
"robin",
"echidna",
"western rattlesnake",
"dung beetle"
] | 3 | Hint: Insects, spiders, and worms are invertebrates. | closed choice | grade5 | natural science | biology | Classification | Identify vertebrates and invertebrates | Vertebrates and invertebrates are both groups of animals.
A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange.
An invertebrate does not have a backb... | A western rattlesnake is a reptile. Like other reptiles, a western rattlesnake is a vertebrate. It has a backbone.
A dung beetle is an insect. Like other insects, a dung beetle is an invertebrate. It does not have a backbone. It has an exoskeleton.
An echidna is a mammal. Like other mammals, an echidna is a vertebrate.... |
Based on this information, what is Tim's genotype for the Thomsen disease gene? | [
"Mm",
"having Thomsen disease"
] | 0 | This passage describes the Thomsen disease trait in humans:
In a group of humans, some individuals have Thomsen disease and others do not. In this group, the gene for the Thomsen disease trait has two alleles. The allele M is for having Thomsen disease, and the allele m is for not having Thomsen disease.
Tim, a human ... | 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 genotype for a gene is its combination of alleles for that gene. Tim has one allele for having Thomsen disease (M) and one allele for not having Thomsen disease (m). So, Tim's genotype for the Thomsen disease gene is Mm. |
What do these two changes have in common?
carving a piece of wood
butter melting on a hot day | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | 1 | 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.
Carving a piece of wood is a physical change. The wood changes shape, but it is still made of the same type of matter.
Butter melting on a hot day is a change of state. So, it is a physical change. The butter changes from solid to liquid, but it is still made of the same type of matter.... | |
Select the reptile. | [
"domestic pig",
"tortoise",
"leafy seadragon",
"American toad"
] | 1 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Reptiles have scaly, waterproof skin. Most reptiles live on land. | A leafy seadragon is a fish. It lives underwater. It has fins, not limbs.
A seadragon's body looks like a clump of seaweed. This helps the seadragon hide from its predators.
An American 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 domest... | |
Would you find the word income on a dictionary page with the following guide words?
iodine - its | [
"yes",
"no"
] | 1 | yes or no | 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 income is not between the guide words iodine - its, it would not be found on that page. | |
Which logical fallacy is used in the text?
Janelle has no school spirit—she never comes to any of our football games. | [
"circular reasoning: an argument that supports a claim with the claim itself",
"false dichotomy: an argument that presents only two choices when more options exist"
] | 1 | closed choice | grade6 | 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 Janelle doesn't have school spirit, because she doesn't go to football games. However, there may be a number of reasons why Janelle doesn't go to football games. This illustrates a type of logical fallacy known as a false dichotomy. | |
Select the plant. | [
"Ladybugs walk and fly.",
"Watercress has small green leaves."
] | 1 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | Watercress is a plant. It has small green leaves.
Watercress can grow in water or in the ground.
A ladybug is an animal. It walks and flies.
Some ladybugs have spots. Other types of ladybugs have stripes! | |
Complete the sentence so that it uses personification.
The washing machine () when Fernando ran an oversized load of laundry. | [
"complained",
"broke"
] | 0 | closed choice | grade10 | language science | writing-strategies | Creative techniques | Use personification | Personification is giving human characteristics to nonhuman things. It is a figure of speech that can be used to make writing more interesting or to emphasize a point.
The trees danced in the wind.
The word danced describes the trees as if they were people. Unlike people, however, trees can't actually dance. Instead, t... | Complete the sentence with the word complained. It describes the washing machine as if it were a grumpy, overworked person. | |
Which type of sentence is this?
As Luca sat down on the rickety old chair, it abruptly collapsed beneath him. | [
"simple",
"compound-complex",
"compound",
"complex"
] | 3 | closed choice | grade8 | 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 complex. It is made up of an independent clause and a dependent clause. The dependent clause begins with the subordinating conjunction as.
As Luca sat down on the rickety old chair, it abruptly collapsed beneath him. | |
Which object has the least thermal energy? | [
"a fish tank at a temperature of 17°C",
"a fish tank at a temperature of 19°C",
"a fish tank at a temperature of 23°C"
] | 0 | The objects are identical except for their temperatures. | closed choice | grade4 | 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 slow down, the temperature goes down. The matter now has both ... | All three fish tanks have the same mass but different temperatures. Since the 17°C fish tank is the coldest, it has the least thermal energy. |
Is the following trait inherited or acquired?
Karen has two arms and two legs. | [
"inherited",
"acquired"
] | 0 | Hint: Karen was born with two arms and two legs. | 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... | Most humans are born with two arms and two legs. So, having two arms and two legs is an inherited trait. |
What information supports the conclusion that Ariana inherited this trait? | [
"Ariana's parents have red hair. They passed down this trait to Ariana.",
"Ariana and her mother both wear their hair in braids."
] | 0 | Read the description of a trait.
Ariana has red hair. | closed choice | grade6 | 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.... | |
Which correctly shows the title of a book? | [
"\"Rain, Shine, or Snow\"",
"***Rain, Shine, or Snow***"
] | 1 | closed choice | grade3 | 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, or article should be in quotation marks.
"You Are My Sunshine" | A book should be in italics.
The correct title is **Rain, Shine, or Snow**. | |
Last year, 50,000 people lived in the city of Newport. But since then, 8,000 people have moved away. What probably happened to the overall supply of houses for sale in Newport? | [
"The supply probably went down.",
"The supply probably went up."
] | 1 | closed choice | grade7 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | The population of Newport fell by 8,000 people. Many of the people who have left are probably trying to sell their houses. Since more people are trying to sell their houses, the number of suppliers of houses for sale in Newport has gone up. So, the supply of houses for sale probably went up, too. | |
What kind of sentence is this?
What made Isabelle so upset? | [
"exclamatory",
"interrogative"
] | 1 | closed choice | grade4 | 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. | |
Which body part protects the body's soft parts? | [
"skeleton",
"muscles",
"heart"
] | 0 | closed choice | grade2 | natural science | biology | Animals | Body parts and their functions | |||
What is the volume of a water balloon? | [
"500 liters",
"500 milliliters"
] | 1 | Select the better estimate. | closed choice | grade5 | 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 water balloon is 500 milliliters.
500 liters is too much. |
What do these two changes have in common?
picking up a paper clip with a magnet
breaking a ceramic plate | [
"Both are caused by heating.",
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by cooling."
] | 2 | 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.
Picking up a paper clip with a magnet is a physical change. The paper clip sticks to the magnet, but it is still made of the same type of matter.
Breaking a ceramic plate is a physical change. The plate gets broken into pieces. But each piece is still made of the same type of matter.
St... | |
Select the plant. | [
"Papyrus has a long thin stem.",
"Wombats eat plants."
] | 0 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | Papyrus is a plant. It has a long thin stem with green leaves on top.
You can make paper out of the stems of papyrus plants!
A wombat is an animal. It eats plants.
Wombats have strong claws. They use their claws to dig tunnels called burrows. | |
Which is a complex sentence? | [
"The package includes some old letters from my grandma to my dad and a broken pocket watch.",
"Air will leak out of the tire until you find the hole and repair it."
] | 1 | 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 until.
Air will leak out of the tire until you find the hole and repair it. | |
Which word would you find on a dictionary page with the following guide words?
distinct - dreadful | [
"dare",
"donkey"
] | 1 | 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 donkey is between the guide words distinct - dreadful, it would be found on that page. | |
Complete the sentence.
Dew appearing on grass in the morning is a (). | [
"chemical change",
"physical change"
] | 1 | 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... | Dew appearing on grass in the morning is a change of state. So, it is a physical change. Water vapor in the air touches the cool grass and becomes liquid.
The water vapor changes state to become dew, but it is still made of water. A different type of matter is not formed. | |
Which tense does the sentence use?
Cows eat the grass on the hill. | [
"future tense",
"present tense",
"past tense"
] | 1 | closed choice | grade2 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, eat. The verb tells you about something that is true or happening now. | |
Which logical fallacy is used in the text?
Don't try to tell me that you only watch educational programming, Akira! I know for a fact that your sister only watches reality television. | [
"guilt by association: a negative association intended to discredit someone or something",
"false dichotomy: an argument that presents only two choices when more options exist"
] | 0 | closed choice | grade8 | 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 Akira must watch reality television, because her sister watches reality television. However, even though Akira's sister watches reality television, that doesn't necessarily mean that Akira does, too. This illustrates a type of logical fallacy known as guilt by association. | |
Which correctly shows the title of a short story? | [
"\"The Ant and the Grasshopper\"",
"The Ant and the Grasshopper"
] | 0 | closed choice | grade4 | 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 short story should be in quotation marks.
The correct title is "The Ant and the Grasshopper." | |
Which of the following contains a vague pronoun reference? | [
"Mrs. Chandler told her friend to exercise on a regular basis and get more sleep in order to have more energy throughout the day.",
"Mrs. Chandler told her friend that she needs to exercise on a regular basis and get more sleep in order to have more energy throughout the day."
] | 1 | 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 Mrs. Chandler or her friend.
Mrs. Chandler told her friend that she needs to exercise on a regular basis and get more sleep in order to have more energy throughout the day.
The first answer choice shows a possible correction for... | |
What is the volume of a water balloon? | [
"465 milliliters",
"465 liters"
] | 0 | Select the better estimate. | closed choice | grade5 | 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 water balloon is 465 milliliters.
465 liters is too much. |
Complete the sentences.
Bill Gates is a business leader. He became famous for (). | [
"playing sports",
"making movies",
"running for president",
"working with computers"
] | 3 | closed choice | grade2 | social science | us-history | Historical figures | Bill Gates | Bill Gates is most famous for working with computers. He first became interested in computers when he was 13 years old.
What were computers like when Bill Gates was 13?
Bill Gates was 13 in 1969. Back then, computers were much larger and more expensive than they are today. A computer could take up a whole room!
Most sc... | ||
Would you find the word trap on a dictionary page with the following guide words?
tear - turn | [
"no",
"yes"
] | 1 | 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 trap is between the guide words tear - turn, it would be found on that page. | |
Complete the statement. Assume that the sled's mass did not change.
The gravitational potential energy stored between the sled and Earth () as Cara rode down the hill. | [
"decreased",
"stayed the same",
"increased"
] | 0 | Read the text about an object in motion.
On a snowy day, Cara rode her sled down a big hill. | closed choice | grade7 | natural science | physics | Kinetic and potential energy | Identify changes in gravitational potential energy | Gravitational potential energy is stored between any two objects. So, for every object on or near Earth, there is gravitational potential energy stored between the object and Earth.
The amount of gravitational potential energy stored between an object and Earth depends on the mass of the object. The amount of gravitati... | Think about how the distance between the sled and the center of Earth changed.
The bottom of the hill was lower than the point where Cara started sledding. As Cara rode toward the bottom of the hill, the distance between the sled and the center of Earth decreased. So, the gravitational potential energy stored between t... |
Which sentence states a fact? | [
"The modern trumpet is an instrument made of brass.",
"Music from a trumpet sounds more pleasant than music from a flute."
] | 0 | closed choice | grade4 | language science | writing-strategies | Developing and supporting arguments | Distinguish facts from opinions | A fact is something that can be proved to be true.
The month of July has more days than the month of June.
This is a fact. It can be proved by looking at a calendar and counting the number of days in each month.
An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true.
July is ... | The second sentence states a fact.
The modern trumpet is an instrument made of brass.
It can be proved by reading a book about music instruments.
The first sentence states an opinion.
Music from a trumpet sounds more pleasant than music from a flute.
More pleasant shows what a person believes, thinks, or feels. Another... | |
Select the amphibian. | [
"wombat",
"barn owl",
"helmeted iguana",
"African bullfrog"
] | 3 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Amphibians have moist skin and begin their lives in water. | An African bullfrog is an amphibian. It has moist skin and begins its life in water.
Frogs live near water or in damp places. Most frogs lay their eggs in water.
A wombat is a mammal. It has fur and feeds its young milk.
Wombats have strong claws on their front feet. They use their claws to dig underground holes called... | |
Would you find the word compass on a dictionary page with the following guide words?
cabin - crate | [
"no",
"yes"
] | 1 | yes or no | grade7 | 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 compass is between the guide words cabin - crate, it would be found on that page. | |
What is the mass of an elephant? | [
"2 ounces",
"2 tons",
"2 pounds"
] | 1 | 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 an elephant is 2 tons.
2 ounces and 2 pounds are both too light. |
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