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Which text uses the word nauseous in its traditional sense? | [
"Everyone seemed to enjoy the magnolia-scented candle, but Xavier found the smell rather nauseous.",
"Everyone seemed to enjoy the magnolia-scented candle, but it made Xavier feel rather nauseous."
] | 0 | 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 second text uses nauseous in its traditional sense: causing disgust or nausea.
Everyone seemed to enjoy the magnolia-scented candle, but Xavier found the smell rather nauseous.
The first text uses nauseous in its nontraditional sense: feeling disgusted or nauseated.
Everyone seemed to enjoy the magnolia-scented can... | |
Compare the motion of two mountain bikers. Which mountain biker was moving at a higher speed? | [
"a mountain biker who moved 170kilometers in 5hours",
"a mountain biker who moved 125kilometers in 5hours"
] | 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 mountain biker moved and the time it took to move that distance.
One mountain biker moved 170 kilometers in 5 hours.
The other mountain biker moved 125 kilometers in 5 hours.
Notice that each mountain biker spent the same amount of time moving. The mountain biker who moved 170 kilometers moved... | |
Which phrase has a more negative connotation? | [
"look at someone",
"glare at someone"
] | 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... | Glare at someone has a more negative connotation. If you glare at someone, you look at them in an angry way. | |
Suppose Trent decides to join the Photography Club. Which result would be a cost? | [
"Trent will save some time. He would have spent more time in the Theater Club than in the Photography Club.",
"Trent will give up the chance to be in the Theater Club. He would have had more fun in the Theater Club than in the Photography Club."
] | 1 | Trent is deciding whether to join the Theater Club or the Photography Club at school. He wants the club he joins to be fun. But he doesn't want it to take up too much time. | 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 Trent wants or needs:
Trent will give up the chance to be in the Theater Club. He would have had more fun in the Theater Club than in the Photography Club. |
Which word would you find on a dictionary page with the following guide words?
dad - disgust | [
"drum",
"desert"
] | 1 | closed choice | grade3 | 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 desert is between the guide words dad - disgust, it would be found on that page. | |
Suppose Maria decides to bake lemon muffins. Which result would be a cost? | [
"Maria will give up the chance to eat apple muffins. She thinks apple muffins are tastier than lemon muffins.",
"Maria will get to eat more muffins. She can make more lemon muffins than apple muffins."
] | 0 | Maria is deciding whether to bake apple muffins or lemon muffins. She wants the muffins to be tasty. But she also wants to make a lot of muffins. | 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 Maria wants or needs:
Maria will give up the chance to eat apple muffins. She thinks apple muffins are tastier than lemon muffins. |
Compare the motion of three sailboats. Which sailboat was moving at the lowest speed? | [
"a sailboat that moved 55kilometers north in 5hours",
"a sailboat that moved 40kilometers east in 5hours",
"a sailboat that moved 45kilometers east in 5hours"
] | 1 | 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 40 kilometers moved the shortest distance in that time. So, that sailboat must have moved at the lowest s... | |
Which tense does the sentence use?
Derek shops for fruit and vegetables. | [
"future tense",
"past tense",
"present tense"
] | 2 | closed choice | grade3 | 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, shops. The verb ends in -s and tells you about something that is true or happening now. | |
What information supports the conclusion that Zach acquired this trait? | [
"Zach's friend showed him how to ride a bicycle.",
"Zach and his mother both ride bicycles.",
"Zach rides his bicycle to school."
] | 0 | Read the description of a trait.
Zach can ride a bicycle. | 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.... | |
Which text uses the word travesty in its traditional sense? | [
"Darren realized that his essay about the Space Race was a bit inaccurate, but he still thought it a travesty that such an entertaining essay should receive a poor grade.",
"Darren's ill-researched essay about the Space Race received a poor grade because it presented such a travesty of the actual historical event... | 1 | 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 travesty in its traditional sense: a ridiculous imitation; a parody.
Darren's ill-researched essay about the Space Race received a poor grade because it presented such a travesty of the actual historical events.
The second text uses travesty in its nontraditional sense: a disappointment or a tragedy... | |
Select the gas. | [
"oxygen",
"hammer",
"ruler",
"clothespin"
] | 0 | closed choice | grade3 | natural science | physics | States of matter | Identify solids, liquids, and gases | Solid, liquid, and gas are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms.
When matter is a solid, it has a definite volume and a definite shape. So, a solid has a size and shape of its own.
Some solids can be easily folded, bent, or broken. A piece of paper is a... | Oxygen is a gas. A gas expands to fill a space. Oxygen can be stored in metal tanks. If oxygen leaks out of the tank, the oxygen will expand into the space around the tank.
A clothespin is a solid. A solid has a size and shape of its own. You can open or close a clothespin. But it will still have a size and shape of it... | |
Based on this information, what is Amos's phenotype for the body size trait? | [
"a normal-sized body",
"a dwarf body"
] | 0 | In a group of rats, some individuals have a normal-sized body and others have a dwarf body. In this group, the gene for the body size trait has two alleles. The allele for a dwarf body (b) is recessive to the allele for a normal-sized body (B).
Amos is a rat from this group. Amos has the heterozygous genotype Bb for th... | 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 Amos's phenotype for the body size trait. First, consider the alleles in Amos's genotype for the body size gene. Then, decide whether these alleles are dominant or recessive.
The allele for a dwarf body (b) is recessive to the allele for a normal-sized body (B). This means B is a dominant allele, ... |
Which is stickier? | [
"gold nugget",
"gum"
] | 1 | 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. | Sticky is a property. A sticky material can stick to other things.
Look at each picture, one at a time. Imagine touching the material shown in each picture.
Of the choices, the gum is stickier. If you step on chewed gum, it will stick to your foot. | |
Would you find the word electricity on a dictionary page with the following guide words?
effort - ember | [
"no",
"yes"
] | 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 electricity is between the guide words effort - ember, it would be found on that page. | |
Select the one substance that is not a rock. | [
"Gneiss is formed in nature. It is a solid.",
"A turtle shell is made by a living thing. It is formed in nature.",
"Trachyte is formed in nature. It is not made by living things."
] | 1 | closed choice | grade4 | natural science | earth-science | Rocks and minerals | Identify rocks using properties | Rocks are made of minerals. Here are some properties of rocks:
They are solid.
They are formed in nature.
They are not made by living things.
They are not pure substances. | Compare the properties of each substance to the properties of rocks. Select the substance whose properties do not match those of rocks.
Trachyte is a rock.
Gneiss is a rock.
A turtle shell is made by a living thing. But rocks are not made by living things.
So, a turtle shell is not a rock. | |
What information supports the conclusion that Colin acquired this trait? | [
"Colin has two pet fish. The fish live in a fish tank together.",
"Colin was not born knowing how to identify different fish. He had to learn this skill."
] | 1 | Read the description of a trait.
Colin is good at identifying fish. | 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... | |
Which would smell more? | [
"metal hair clip",
"perfume"
] | 1 | 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. | Smelly is a property. A smelly material has a strong smell.
Look at each picture, one at a time. Imagine smelling the material shown in each picture.
Of the choices, the perfume would smell more. Perfume has a strong smell. | |
Which greeting is correct for a letter? | [
"Dear aunt Mia,",
"Dear Aunt Mia,"
] | 1 | 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. Aunt Mia is capitalized because it is a proper noun. | |
Based on this information, what is Bagheera's phenotype for the coat pattern trait? | [
"AA",
"a spotted coat"
] | 1 | In a group of leopards, some individuals have a spotted coat and others have a black coat. In this group, the gene for the coat pattern trait has two alleles. The allele A is for a spotted coat, and the allele a is for a black coat.
Bagheera, a leopard from this group, has a spotted coat. Bagheera has two alleles for a... | 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. Bagheera's observable version of the coat pattern trait is a spotted coat. So, Bagheera's phenotype for the coat pattern trait is a spotted coat. |
How long is an adult alligator? | [
"15 inches",
"15 miles",
"15 feet",
"15 yards"
] | 2 | 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 an adult alligator is 15 feet.
15 inches is too short. 15 yards and 15 miles are too long. |
The city of Princeton has been one of the world's biggest makers of cough drops for many years. But last month, Princeton's cough drop factories were destroyed by floods. What will probably happen to the overall supply of cough drops? | [
"The supply will probably go up.",
"The supply will probably go down."
] | 1 | closed choice | grade4 | 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... | Floods destroyed the cough drop factories in Princeton. The number of producers of cough drops went down. So, the supply of cough drops will probably go down. | |
Which closing is correct for a letter? | [
"Best Wishes,\nSandra",
"Best wishes,\nSandra"
] | 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. | |
What is the temperature of the air on a cold, snowy day? | [
"23°F",
"23°C"
] | 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 the air on a cold, snowy day is 23°F.
23°C is too hot. |
Which greeting is correct for a letter? | [
"dear Ms. Perry,",
"Dear Ms. Perry,"
] | 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. Ms. Perry is capitalized because it is a proper noun. | |
What information supports the conclusion that Tucker acquired this trait? | [
"Tucker is most interested in human biology.",
"Tucker learned biology by reading, observing, and experimenting."
] | 1 | Read the description of a trait.
Tucker 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... | |
Which tense does the sentence use?
Noah finds old clothes in the attic. | [
"present tense",
"future tense",
"past tense"
] | 0 | closed choice | grade5 | 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, finds. The verb ends in -s and tells you about something that is true or happening now. | |
What kind of sentence is this?
How many articles did Walter write before his publisher offered him a book contract? | [
"interrogative",
"imperative",
"declarative"
] | 0 | closed choice | grade8 | 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. | |
Which closing is correct for a letter? | [
"Your niece,\nJeanette",
"Your Niece,\nJeanette"
] | 0 | 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 first closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Select the one substance that is not a rock. | [
"Conglomerate is a solid. It is formed in nature.",
"An antler is made by a living thing. It is not a pure substance.",
"Slate is not a pure substance. It is formed in nature."
] | 1 | closed choice | grade4 | natural science | earth-science | Rocks and minerals | Identify rocks using properties | Rocks are made of minerals. Here are some properties of rocks:
They are solid.
They are formed in nature.
They are not made by living things.
They are not pure substances. | Compare the properties of each substance to the properties of rocks. Select the substance whose properties do not match those of rocks.
An antler is made by a living thing. But rocks are not made by living things.
So, an antler is not a rock.
Conglomerate is a rock.
Slate is a rock. | |
Which is a complex sentence? | [
"Luke will lend us money for the tickets if we promise to repay him by the end of the year.",
"Judith and her sisters drew a map of the United States and hung it on the wall."
] | 0 | closed choice | grade6 | 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 if.
Luke will lend us money for the tickets if we promise to repay him by the end of the year. | |
What kind of sentence is this?
The author finally received recognition for his great work after his children found his old manuscript in the attic and published it. | [
"interrogative",
"exclamatory",
"declarative"
] | 2 | 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 tells about something, and it ends with a period. It is a declarative sentence. | |
What is the mass of an elephant? | [
"5,325 kilograms",
"5,325 grams"
] | 0 | Select the better estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose metric 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 metric units, mass may be written with units of grams or kilograms.
There... | The better estimate for the mass of an elephant is 5,325 kilograms.
5,325 grams is too light. |
Eli Whitney invented the cotton gin in 1793. The cotton gin is a machine that makes it easier to harvest cotton quickly. What happened to the overall supply of cotton after 1793? | [
"The supply went up.",
"The supply went down."
] | 0 | 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 cotton gin was a new technology that made it possible to harvest cotton much faster than before. Cotton growers were able to produce much more cotton in the same amount of time. So, the supply of cotton went up. | |
Which word would you find on a dictionary page with the following guide words?
ill - inspector | [
"is",
"impose"
] | 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 impose is between the guide words ill - inspector, it would be found on that page. | |
Complete the sentence.
Rain forming in a cloud is a (). | [
"physical change",
"chemical change"
] | 0 | 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... | Rain forming in a cloud is a change of state. So, it is a physical change. Water vapor in the air condenses into tiny droplets of liquid water. These droplets make up a cloud. When there is enough water in the air, the droplets will fall as rain. | |
What is the source of the allusion in the sentence below?
Ronald persisted despite his friends' attempts to tell him that this was a Gordian knot. | [
"U.S. history",
"ancient legend"
] | 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 Gordian knot is ancient legend.
According to legend, Alexander the Great used his sword to slash an intricate knot by which a chariot was tied to a pole in the city of Gordium.
The allusion Gordian knot means a highly complex problem. | |
Is the following trait inherited or acquired?
Gavin has a scar on his right ankle. | [
"inherited",
"acquired"
] | 1 | Hint: Most scars are caused by accidents during a person's life. | 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... | Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scars after they get hurt. So, having a scar is an acquired trait. |
According to Newton's third law, what other force must be happening? | [
"The suitcase is pushing on Kenneth.",
"The suitcase is pulling on Kenneth."
] | 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:
Kenneth 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... | Kenneth is pulling on the suitcase. So, Newton's third law tells you that the suitcase is pulling on Kenneth. |
What information supports the conclusion that Hansen acquired this trait? | [
"Hansen's scar was caused by an accident. He cut his arm when he fell off his bicycle.",
"Some scars fade more quickly than others."
] | 0 | Read the description of a trait.
Hansen has a scar on his right arm. | 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... | |
Using only these supplies, which question can Bridgette investigate with an experiment? | [
"Does the basketball bounce higher on a lawn or on a dirt path?",
"Does the basketball bounce higher on gravel or on grass?",
"Do larger basketballs bounce higher than smaller basketballs on a brick patio?"
] | 1 | Bridgette gets a basketball for her birthday and dribbles it around her neighborhood. She notices that sometimes the ball bounces higher than other times. She wonders what factors affect how high her ball bounces. So, she decides to design an experiment. She has the following supplies available:
one basketball
access t... | closed choice | grade7 | 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... | |
Which text uses the word disinterested in its traditional sense? | [
"Trudy is excellent in her position as class treasurer. She always manages to be disinterested in student council debates about the allocation of extracurricular funds.",
"Trudy is happy with her position as class treasurer. Though she would have the support of the student council, she is disinterested in running... | 0 | closed choice | grade9 | 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 disinterested in its traditional sense: unbiased or impartial.
Trudy is excellent in her position as class treasurer. She always manages to be disinterested in student council debates about the allocation of extracurricular funds.
The second text uses disinterested in its nontraditional sense: unint... | |
Based on this information, what is this fruit fly's phenotype for the body color trait? | [
"a black body",
"bb"
] | 0 | In a group of fruit flies, some individuals have a gray body and others have a black body. In this group, the gene for the body color trait has two alleles. The allele B is for a gray body, and the allele b is for a black body.
A certain fruit fly from this group has a black body. This fly has two alleles for a black b... | 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. The fruit fly's observable version of the body color trait is a black body. So, the fly's phenotype for the body color trait is a black body. |
Is the following trait inherited or acquired?
Kaylee is good at knitting scarves. | [
"acquired",
"inherited"
] | 0 | Hint: People who can knit had to learn how to do it. | closed choice | grade4 | 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 knit. Instead, many people learn how to knit. Knitting well takes practice. So, knitting well is an acquired trait. |
Which figure of speech is used in this text?
"This mattress is as soft as concrete," Luke complained as he tested the bed in his hotel room. | [
"pun",
"verbal irony"
] | 1 | 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 verbal irony, which involves saying one thing but implying something very different.
As soft as concrete shows verbal irony because concrete is not soft. | |
Based on this information, what is this pea plant's genotype for the pea color gene? | [
"ee",
"green peas"
] | 0 | In a group of pea plants, some individuals have yellow peas and others have green peas. In this group, the gene for the pea color trait has two alleles. The allele E is for yellow peas, and the allele e is for green peas.
A certain pea plant from this group has green peas. This plant has two alleles for green peas. | 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 pea plant has two alleles for green peas (e). So, the plant's genotype for the pea color gene is ee. |
Does this passage describe the weather or the climate?
Shawna noticed that the wind was blowing in from the ocean this afternoon. | [
"climate",
"weather"
] | 1 | Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. | closed choice | grade4 | natural science | earth-science | Weather and climate | What's the difference between weather and climate? | The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere.
Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day.
Climate is the pattern of ... | Read the text carefully.
Shawna noticed that the wind was blowing in from the ocean this afternoon.
This passage tells you about the wind direction where Shawna was this afternoon. It describes the atmosphere at a certain place and time. So, this passage describes the weather. |
Select the one animal that has all of the reptile traits listed above. | [
"Cardinalfish have scaly skin and live near coral reefs. Cardinalfish lay eggs with no shells and have fins that help them swim underwater.",
"American crocodiles often live where rivers flow into the ocean. In these places, the fresh water and salt water mix. This mixing creates the somewhat salty, or brackish, ... | 1 | Reptiles are a group of animals with similar traits. The following traits can be used to identify reptiles:
They have scaly, waterproof skin.
They make eggs with shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | 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.
Reptiles have the following traits:
They have scaly, waterproof skin.
They make eggs with shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
An American crocodile has the fol... |
Select the amphibian. | [
"fire salamander",
"gharial",
"green moray eel",
"whale shark"
] | 0 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Amphibians have moist skin and begin their lives in water. | A green moray eel is a fish. It lives underwater. It has fins, not limbs.
Eels are long and thin. They may have small fins. They look like snakes, but they are fish!
A whale shark is a fish. It lives underwater. It has fins, not limbs.
Whale sharks are the largest fish in the world! Adult whale sharks can weigh over 21... | |
Which object has more thermal energy? | [
"a 300-gram rock at a temperature of 120°F",
"a 300-gram rock at a temperature of 175°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 move faster, the temperature goes up. The matter now has both ... | The two rocks have the same mass but different temperatures. Since the 175°F rock is hotter than the 120°F rock, it has more thermal energy. |
Which tense does the sentence use?
Myra will play the guitar after dinner. | [
"past tense",
"future tense",
"present tense"
] | 1 | closed choice | grade5 | 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 future tense. You can tell because it uses will before the main verb, play. The verb tells you about something that is going to happen. | |
Which would stretch the most? | [
"bone",
"wool scarf",
"glass bottle"
] | 1 | 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... | 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 wool scarf would stretch the most. If you pull the ends of a wool scarf, it will get longer. | |
Select the animal. | [
"Oak trees can have thick branches.",
"Cherry trees can grow white or pink flowers.",
"Yellow jackets drink nectar and fruit.",
"Daffodils have a green stem."
] | 2 | closed choice | grade3 | 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... | An oak tree is a plant. It can have thick branches.
Acorns grow on oak trees. Acorns are small nuts with a seed inside.
A yellow jacket is an animal. It drinks nectar and eats fruit.
A yellow jacket is an insect. Yellow jackets have two wings.
A cherry tree is a plant. It can grow white or pink flowers.
Many types of c... | |
Which tense does the sentence use?
Tony carefully spelled the word aloud. | [
"present tense",
"past 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 past tense. You can tell because it uses a past-tense verb, spelled. The verb ends in -ed and tells you about something that has already happened. | |
Compare the motion of three bicycles. Which bicycle was moving at the highest speed? | [
"a bicycle that moved 35miles east in 5hours",
"a bicycle that moved 70miles north in 5hours",
"a bicycle that moved 135miles north 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 mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects moving f... | Look at the distance each bicycle moved and the time it took to move that distance. The direction each bicycle moved does not affect its speed.
Notice that each bicycle moved for 5 hours. The bicycle that moved 135 miles moved the farthest distance in that time. So, that bicycle must have moved at the highest speed. | |
What is the temperature of an ice cream sandwich? | [
"37°C",
"37°F"
] | 1 | 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 an ice cream sandwich is 37°F.
37°C is too hot. |
What information supports the conclusion that Farid inherited this trait? | [
"Farid's biological parents have wavy hair.",
"Farid's biological mother has long hair. Farid also has long hair.",
"Farid uses a headband to keep his wavy hair out of his face."
] | 0 | Read the description of a trait.
Farid has wavy hair. | closed choice | grade7 | 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 figure of speech is used in this text?
Five years have passed;
Five summers, with the length of
Five long winters! And again I hear these waters . . .
—William Wordsworth, "Tintern Abbey" | [
"anaphora",
"euphemism"
] | 0 | 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 anaphora, the repetition of the same word or words at the beginning of several phrases or clauses.
Wordsworth repeats the word five at the beginning of each line. | |
What is the volume of a kitchen sink? | [
"30 liters",
"30 milliliters"
] | 0 | 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 kitchen sink is 30 liters.
30 milliliters is too little. |
Complete the statement. Assume that the water balloon's mass did not change.
The gravitational potential energy stored between the water balloon and Earth () as the water balloon fell toward John. | [
"stayed the same",
"increased",
"decreased"
] | 2 | Read the text about an object in motion.
Christine dropped a water balloon off a balcony. The water balloon fell toward her friend John, who was standing below the balcony. | 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 water balloon and the center of Earth changed.
John was lower than the balcony. As the water balloon fell toward John, the distance between the water balloon and the center of Earth decreased. So, the gravitational potential energy stored between the water balloon and Earth decr... |
Based on this information, what is this rose plant's genotype for the flower color gene? | [
"dark yellow flowers",
"ff"
] | 1 | In a group of rose plants, some individuals have light yellow flowers and others have dark yellow flowers. In this group, the gene for the flower color trait has two alleles. The allele F is for light yellow flowers, and the allele f is for dark yellow flowers.
A certain rose plant from this group has dark yellow flowe... | 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 rose plant has two alleles for dark yellow flowers (f). So, the plant's genotype for the flower color gene is ff. |
Which object has more thermal energy? | [
"a 7-kilogram block of steel at a temperature of 160°F",
"a 7-kilogram block of steel at a temperature of 235°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 move faster, the temperature goes up. The matter now has both ... | The two blocks of steel have the same mass but different temperatures. Since the 235°F block is hotter than the 160°F block, it has more thermal energy. |
Is teaching school a good or a service? | [
"a service",
"a good"
] | 0 | closed choice | grade2 | social science | economics | Economics | Goods and services | Everything you can buy is either a good or a service.
A good is something you can touch or hold in your hands. For example, a hammer is a good.
A service is a job you pay someone else to do. For example, cooking food in a restaurant is a service. | To decide whether teaching school is a good or a service, ask these questions:
Is teaching school something you can touch? No.
Is teaching school a job you might pay someone else to do? Yes.
So, teaching school is a service. | |
Compare the motion of two runners. Which runner was moving at a lower speed? | [
"a runner who moved 35miles in 5hours",
"a runner who moved 25miles in 5hours"
] | 1 | 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 runner moved and the time it took to move that distance.
One runner moved 25 miles in 5 hours.
The other runner moved 35 miles in 5 hours.
Notice that each runner spent the same amount of time moving. The runner who moved 25 miles moved a shorter distance in that time. So, that runner must hav... | |
What do these two changes have in common?
water boiling on a stove
a puddle freezing into ice on a cold night | [
"Both are caused by cooling.",
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by heating."
] | 1 | closed choice | grade3 | 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.
Water boiling on the stove is a change of state. So, it is a physical change. The liquid changes into a gas, but a different type of matter is not formed.
A puddle freezing into ice on a cold night is a change of state. So, it is a physical change. Liquid water freezes and becomes solid... | |
Which logical fallacy is used in the text?
The school requires us to be on time. If you can't even obey this rule, then what's to stop you from doing something worse, like stealing? | [
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"appeal to nature: the assumption that natural things are always good",
"bandwagon fallacy: the assumption that the popular choice is automatically correct"
] | 0 | closed choice | grade10 | 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 being late to school will lead to becoming a thief. However, this argument wrongly suggests that the inability to follow a rule about being on time to school will necessarily lead to the breaking of other rules. This illustrates a type of logical fallacy known as the slippery slope fallacy. | |
What kind of sentence is this?
She has a huge collection of marbles. | [
"declarative",
"interrogative"
] | 0 | 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 tells about something, and it ends with a period. It is a declarative sentence. | |
What is the source of the allusion in the sentence below?
When I learned the details of Sophia's Faustian bargain, I was in disbelief. | [
"literature",
"Roman mythology"
] | 0 | closed choice | grade11 | 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 Faustian bargain is literature.
In a play by Christopher Marlowe based on the legend of Faust, a man strikes a deal with the devil. Disregarding the long-term consequences of his actions, he sells his soul in exchange for power.
The allusion Faustian bargain means a compromise of one's values... | |
Which correctly shows the title of a movie? | [
"The Red Balloon",
"the Red Balloon"
] | 0 | closed choice | grade4 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between.
The correct title is The Red Balloon. | |
Based on this information, what is Rollo's phenotype for the whisker type trait? | [
"straight whiskers",
"curved whiskers"
] | 0 | In a group of Syrian hamsters, some individuals have straight whiskers and others have curved whiskers. In this group, the gene for the whisker type trait has two alleles. The allele for straight whiskers (H) is dominant over the allele for curved whiskers (h).
Rollo is a Syrian hamster from this group. Rollo has the h... | 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 Rollo's phenotype for the whisker type trait. First, consider the alleles in Rollo's genotype for the whisker type gene. Then, decide whether these alleles are dominant or recessive.
The allele for straight whiskers (H) is dominant over the allele for curved whiskers (h). This means H is a dominan... |
What information supports the conclusion that Tucker acquired this trait? | [
"Tucker's friend taught him how to fly a kite.",
"Tucker's neighbor taught him how to repair a kite.",
"Tucker likes to fly a kite with his younger brother."
] | 0 | Read the description of a trait.
Tucker knows how to fly a kite. | closed choice | grade7 | 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.... | |
Select the one animal that has all of the mammal traits listed above. | [
"Peregrine falcons are the fastest animals in the world! They use their wings to fly quickly and hunt prey. Peregrine falcons also have a beak and feathers. They hatch from eggs with speckled or spotted shells.",
"Western gorillas have black, gray, or brown fur. Adult males are sometimes called silverbacks becaus... | 1 | Mammals are a group of animals with similar traits. The following traits can be used to identify mammals:
They feed their offspring milk.
They have fur or hair. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | 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.
Mammals have the following traits:
They feed their offspring milk.
They have fur or hair.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A peregrine falcon has the following trai... |
Using only these supplies, which question can Mabel investigate with an experiment? | [
"If squash seeds and tomato seeds are planted with compost, which type of plant grows larger?",
"Do squash plants grow larger if the seeds are planted in small pots or in large pots?",
"Do squash plants grow larger if the seeds are planted with compost or without compost?"
] | 2 | Mabel has a small vegetable garden, which includes a compost pile of food scraps. She notices that some of the squash plants growing next to the compost pile grow differently than squash plants that are farther away. She wonders what factors affect how her squash plants grow. So, she decides to design an experiment. Sh... | closed choice | grade7 | 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... | |
Based on this information, what is this fly's phenotype for the eye color trait? | [
"brown eyes",
"red eyes"
] | 0 | In a group of fruit flies, some individuals have red eyes and others have brown eyes. In this group, the gene for the eye color trait has two alleles. The allele for red eyes (E) is dominant over the allele for brown eyes (e).
A certain fruit fly from this group has the homozygous genotype ee for the eye color 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 ... | The fruit fly's genotype for the eye color gene is ee. The fruit fly's genotype of ee has only e alleles. The e allele is for brown eyes. So, the fruit fly's phenotype for the eye color trait must be brown eyes.
To check this answer, consider whether the fruit fly's alleles are dominant or recessive. The allele for red... |
What is the volume of an eyedropper? | [
"4 liters",
"4 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 an eyedropper is 4 milliliters.
4 liters is too much. |
How long does it take to wash your hands? | [
"2 minutes",
"2 seconds"
] | 0 | 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 wash your hands is 2 minutes.
2 seconds is too fast. |
Which of the following is a trait of a living thing? | [
"how much sunshine the living thing gets",
"how much water is in the living thing's habitat",
"the way the living thing looks"
] | 2 | closed choice | grade2 | natural science | biology | Traits | Introduction to adaptations | A trait is the way a living thing looks or acts. A habitat is the place where a living thing grows or lives.
An adaptation is a trait that helps a living thing stay alive in its habitat. | ||
Which word would you find on a dictionary page with the following guide words?
gate - goggles | [
"genuine",
"griddle"
] | 0 | closed choice | grade6 | 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 genuine is between the guide words gate - goggles, it would be found on that page. | |
Which correctly shows the title of a movie? | [
"\"All the King's Men\"",
"***All the King's Men***"
] | 1 | closed choice | grade5 | 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 **All the King's Men**. | |
Which figure of speech is used in this text?
Study without thought is vain; thought without study is dangerous.
—Confucius, Analects | [
"chiasmus",
"assonance"
] | 0 | closed choice | grade12 | language science | figurative-language | Literary devices | Classify the figure of speech: anaphora, antithesis, apostrophe, assonance, chiasmus, understatement | 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 chiasmus, an expression in which the second half parallels the first but reverses the order of words.
The second half of the sentence reverses the order of the words study and thought relative to the first half. | |
Which word would you find on a dictionary page with the following guide words?
couch - cupboard | [
"crane",
"chilly"
] | 0 | closed choice | grade6 | 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 crane is between the guide words couch - cupboard, it would be found on that page. | |
Is the following trait inherited or acquired?
Bert has a scar on his left knee. | [
"inherited",
"acquired"
] | 1 | Hint: Most scars are caused by accidents during a person's life. | 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... | Children do not inherit their parent's scars. Instead, scars are caused by the environment. People can get scars after they get hurt. So, having a scar is an acquired trait. |
Select the one animal that has all of the fish traits listed above. | [
"Salmon lay eggs with no shells at the bottom of freshwater streams. Salmon use their powerful fins to swim. They can even jump up small waterfalls!",
"Red salamanders do not have lungs! They can breathe through their moist, smooth skin. Adult red salamanders live near rivers or ponds. They lay eggs with no shell... | 0 | Fish are a group of animals with similar traits. The following traits can be used to identify fish:
They have fins, not limbs.
They make eggs with no shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | 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.
Fish have the following traits:
They have fins, not limbs.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A salmon has the following traits:
It has... |
Which is a run-on sentence? | [
"The fertilizer will help the plants grow.",
"Dad has a beard it is black and bushy."
] | 1 | 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... | Dad has a beard it is black and bushy is a run-on sentence. It has two sentences that are joined without end punctuation: Dad has a beard and It is black and bushy. | |
Which word would you find on a dictionary page with the following guide words?
pond - purple | [
"pretty",
"people"
] | 0 | closed choice | grade3 | 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 pretty is between the guide words pond - purple, it would be found on that page. | |
Which figure of speech is used in this text?
"Your new hairstyle is so boring!" Daniel remarked when his sister showed up with a pink-and-blue mohawk. | [
"pun",
"verbal irony"
] | 1 | 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 verbal irony, which involves saying one thing but implying something very different.
Boring shows verbal irony because Daniel's sister's hairstyle is not at all boring. | |
What do these two changes have in common?
baking cookies
burning food on a stove | [
"Both are caused by heating.",
"Both are caused by cooling.",
"Both are only physical changes."
] | 0 | 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.
Baking cookies is a chemical change. The type of matter in the cookie dough changes when it is baked. The cookie dough turns into cookies!
Burning food on a stove is a chemical change. When the food burns, the type of matter in it changes. The food turns black and gives off smoke.
Step ... | |
Use the evidence in the text to select the photosynthetic organism. | [
"Palm trees are commonly found on tropical beaches. Palm trees use carbon dioxide and water to make their food.",
"Cecropia moth caterpillars eat leaves, but the adult moths never eat. An adult cecropia moth lives just long enough to find a mate and produce eggs."
] | 0 | closed choice | grade5 | natural science | biology | Plants | Identify the photosynthetic organism | Organisms that carry out photosynthesis are called photosynthetic organisms. During photosynthesis, these organisms use light energy to turn water and carbon dioxide into sugars and oxygen.
Photosynthetic organisms also often have the following characteristics:
They are producers, which are organisms that make their ow... | This organism is photosynthetic:
The text tells you that palm trees use carbon dioxide and water to make food. This is evidence that the palm tree is a photosynthetic organism.
This organism is not photosynthetic:
The text does not provide evidence that the cecropia moth is photosynthetic. | |
How long is a bike path? | [
"3 feet",
"3 inches",
"3 yards",
"3 miles"
] | 3 | 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 bike path is 3 miles.
3 inches, 3 feet, and 3 yards are all too short. |
Which is the stickiest? | [
"wood ruler",
"glass marbles",
"honey"
] | 2 | 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 honey is the stickiest. If you touch honey, it will stick to you. | |
Is this a run-on sentence?
Overcome with joy, Mrs. Cohen told her husband the exciting news about her promotion. | [
"no",
"yes"
] | 0 | 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.
Overcome with joy, Mrs. Cohen told her husband the exciting news about her promotion. | |
Which tense does the sentence use?
Matt will pop the popcorn. | [
"future tense",
"present tense",
"past tense"
] | 0 | 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 future tense. You can tell because it uses will before the main verb, pop. The verb tells you about something that is going to happen. | |
Which object has more thermal energy? | [
"a bowl of cereal at a temperature of 40°F",
"a bowl of cereal at a temperature of 50°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 move faster, the temperature goes up. The matter now has both ... | The two bowls of cereal have the same mass but different temperatures. Since the 50°F bowl of cereal is hotter than the 40°F bowl of cereal, it has more thermal energy. |
Which word would you find on a dictionary page with the following guide words?
leap - lucky | [
"lay",
"lord"
] | 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 lord is between the guide words leap - lucky, it would be found on that page. | |
Which object has more thermal energy? | [
"a 5-kilogram brick at a temperature of 365°F",
"a 5-kilogram brick at a temperature of 285°F"
] | 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 move faster, the temperature goes up. The matter now has both ... | The two bricks have the same mass but different temperatures. Since the 365°F brick is hotter than the 285°F brick, it has more thermal energy. |
What is the volume of a kitchen sink? | [
"14 gallons",
"14 cups",
"14 fluid ounces"
] | 0 | Select the best estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose customary 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 customary units, volume may be written in units of fluid ounces, cups,... | The best estimate for the volume of a kitchen sink is 14 gallons.
14 fluid ounces and 14 cups are both too little. |
Select the living thing. | [
"hummingbird",
"yo-yo"
] | 0 | closed choice | grade3 | natural science | biology | Classification | Identify living and nonliving things | All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. Living things use this energy to grow and change. All living things grow and change during their lives.
All living things sense changes in the world around them. Living things might sense ... | A yo-yo is not a living thing.
Yo-yos do not have all of the traits of living things. They do not grow or respond to the world around them. They do not need food or water.
A hummingbird is a living thing.
Hummingbirds grow and respond to the world around them. They need food and water. | |
What is the source of the allusion in the sentence below?
Wayne described the situation he was facing with his boss as a catch-22. | [
"literature",
"a song"
] | 0 | closed choice | grade11 | 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 catch-22 is literature.
Joseph Heller coined the term "catch-22" in his 1961 novel of the same name. In the novel, if an army pilot wants to avoid dangerous missions, he must be deemed mentally unfit; however, his desire to stay safe proves his sanity, so he can never be excused from a missio... | |
What does the metaphor in this text suggest?
When Ted lost his job, he was devastated. The only light in the sea of darkness was the prospect of pursuing a new career. | [
"There was a benefit to Ted's job loss.",
"Having to pursue a new career was the worst part of Ted's job loss."
] | 0 | closed choice | grade12 | 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 metaphor compares two things that are not actually alike without using like or as.
The snow formed a blanket over the town. | The text uses a metaphor, comparing two things that are not actually alike without using like or as.
The metaphor the only light in the sea of darkness was the prospect of pursuing a new career suggests that there was a benefit to Ted's job loss. A light would be beneficial in helping someone escape a dark, difficult-t... | |
Which change best matches the sentence?
Pieces of rock and soil are washed away by water. | [
"wildfire",
"erosion",
"earthquake"
] | 1 | closed choice | grade3 | natural science | earth-science | Earth events | Classify changes to Earth's surface I | |||
What information supports the conclusion that Luke acquired this trait? | [
"Luke's brother has scars on both of his knees.",
"Luke's scar is on his left knee. His mother also has a scar on her left knee.",
"Luke's scar was caused by an accident. He cut his leg when he fell off his skateboard."
] | 2 | Read the description of a trait.
Luke has a scar on his left knee. | 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.... |
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