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Not supported with pagination yet | Use the evidence in the text to select the photosynthetic organism. | [
"The Opuntia microdasys cactus gets its green color from chlorophyll. The cactus uses the chlorophyll to capture energy from sunlight. The cactus has yellow spots made of hair-like spines that help protect it.",
"Nembrotha cristata is a sea slug with bright green spots. This sea slug eats jellyfish and takes thei... | 0 | closed choice | grade7 | natural science | biology | Photosynthesis | Identify the photosynthetic organism | Organisms that carry out photosynthesis are called photosynthetic organisms. During photosynthesis, these organisms use light energy, carbon dioxide, and water to produce 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 the Opuntia microdasys cactus has chlorophyll. This is evidence that the Opuntia microdasys cactus is a photosynthetic organism.
This organism is not photosynthetic:
The text does not provide evidence that the Nembrotha cristata sea slug is photosynthetic. | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. | closed choice | grade6 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The larger the magnets, the greater the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is larger in Pair 2 than in Pair 1. So, the magnitud... | |
Not supported with pagination yet | What kind of sentence is this?
What made Nancy so upset? | [
"declarative",
"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. | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Uncle Steven,",
"Dear uncle steven,"
] | 0 | 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. Uncle Steven is capitalized because it is a proper noun. | |
What is the capital of Iowa? | [
"Lincoln",
"Des Moines",
"Norfolk",
"Davenport"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Des Moines is the capital of Iowa. | |||
Which continent is highlighted? | [
"Europe",
"South America",
"Australia",
"North America"
] | 3 | closed choice | grade7 | social science | geography | Physical Geography | Oceans and continents | A continent is one of the major land masses on the earth. Most people say there are seven continents. | This continent is North America. | ||
Which property matches this object? | [
"sticky",
"colorful"
] | 0 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Identify properties of an object | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. | Look at the object.
Think about each property.
A colorful object has one or more bright colors. The tape is not colorful.
A sticky object can stick to other things. The tape is sticky. | |
Select the bird below. | [
"hammerhead shark",
"flamingo"
] | 1 | Birds have feathers, two wings, and a beak. A turkey vulture is an example of a bird. | closed choice | grade3 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A flamingo is a bird. It has feathers, two wings, and a beak.
Flamingos live in large groups. These groups are called flocks.
A hammerhead shark is a fish. It lives underwater. It has fins, not limbs.
Hammerhead sharks get their names from the shape of their heads. They have a wide, flat head and a small mouth. | |
Which country is highlighted? | [
"Fiji",
"Tonga",
"Kiribati",
"Tuvalu"
] | 3 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Tuvalu. | |||
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Grandpa Aaron,",
"Dear grandpa aaron,"
] | 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. Grandpa Aaron is capitalized because it is a proper noun. | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown. | closed choice | grade4 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles: north and south.
Here are some examples of magnets. The no... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
Not supported with pagination yet | Which figure of speech is used in this text?
Tisha insisted that her dog wasn't fat; she said that he was merely well-fed. | [
"euphemism",
"paradox"
] | 0 | 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 a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Well-fed is an indirect way of saying overweight. | |
Not supported with pagination yet | Which object has the least thermal energy? | [
"a bowl of oatmeal at a temperature of 28°C",
"a bowl of oatmeal at a temperature of 33°C",
"a bowl of oatmeal at a temperature of 24°C"
] | 2 | 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 bowls of oatmeal have the same mass but different temperatures. Since the 24°C bowl of oatmeal is the coldest, it has the least thermal energy. |
Not supported with pagination yet | What information supports the conclusion that Jackson acquired this trait? | [
"Jackson learned how to knit in an after school program.",
"Jackson knits sweaters using cotton, wool, and other types of yarn."
] | 0 | Read the description of a trait.
Jackson knows how to knit sweaters. | 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... | |
Not supported with pagination yet | What kind of sentence is this?
Molly put a bandage on my cut. | [
"exclamatory",
"declarative"
] | 1 | closed choice | grade5 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence tells about something, and it ends with a period. It is a declarative sentence. | |
Not supported with pagination yet | Would you find the word cease on a dictionary page with the following guide words?
cage - crunch | [
"yes",
"no"
] | 0 | yes or no | 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 cease is between the guide words cage - crunch, it would be found on that page. | |
Not supported with pagination yet | Complete the sentence so that it uses personification.
Tiny wildflowers () poked through the cracks in the pavement. | [
"slowly",
"shyly"
] | 1 | 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 shyly. It describes the wildflowers as if they were timid people. | |
Not supported with pagination yet | Select the vertebrate. | [
"comet moth",
"orb weaver",
"carp",
"earthworm"
] | 2 | Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | closed choice | grade4 | 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... | Like other spiders, an orb weaver is an invertebrate. It does not have a backbone. It has an exoskeleton.
A carp is a fish. Like other fish, a carp is a vertebrate. It has a backbone.
An earthworm is a worm. Like other worms, an earthworm is an invertebrate. It does not have a backbone. It has a soft body.
A comet moth... |
What is the name of the colony shown? | [
"Georgia",
"Kentucky",
"Virginia",
"New York"
] | 3 | closed choice | grade5 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is New York.
During the colonial era, New Hampshire and New York both claimed the territory that would later become the state of Vermont. Vermont was never its own colony. | |||
Not supported with pagination yet | What information supports the conclusion that Kelsey acquired this trait? | [
"Kelsey's scar was caused by an accident. She cut her arm when she fell off her bicycle.",
"Kelsey's sister has a bruise from falling on her elbow.",
"Kelsey's scar is on her right elbow. Her father also has a scar on his right elbow."
] | 0 | Read the description of a trait.
Kelsey has a scar on her right elbow. | 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.... | |
Not supported with pagination yet | What do these two changes have in common?
water freezing into ice
mixing sand and water | [
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by cooling.",
"Both are caused by heating."
] | 0 | closed choice | grade7 | 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.
Water freezing into ice is a change of state. So, it is a physical change. The water changes from solid to liquid. But the ice is still made of the same type of matter as the liquid water.
Mixing sand and water is a physical change. Adding water makes the sand wet. But both the sand and... | |
What is the capital of Pennsylvania? | [
"Frankfort",
"Harrisburg",
"Providence",
"Boise"
] | 1 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Northeast | Harrisburg is the capital of Pennsylvania. | |||
Is pumice a mineral? | [
"no",
"yes"
] | 0 | Pumice has the following properties:
naturally occurring
solid
not made by organisms
not a pure substance
no fixed crystal structure | yes or no | grade6 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Properties are used to identify different substances. Minerals have the following properties:
It is a solid.
It is formed in nature.
It is not made by organisms.
It is a pure substance.
It has a fixed crystal structure.
If a substance has all five of these properties, then it is a mineral.
Look closely at the last thre... | Pumice does not have all the properties of a mineral. So, pumice is not a mineral. | |
Not supported with pagination yet | Which figure of speech is used in this text?
There was a clear consensus in the Warren family that they should put their dog to sleep, rather than let him continue to suffer. | [
"euphemism",
"paradox"
] | 0 | 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 a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
Put their dog to sleep is a more indirect way of saying have the veterinarian kill their dog. | |
Not supported with pagination yet | Complete the statement.
Fluorine is (). | [
"a compound",
"an elementary substance"
] | 1 | Fluorine is found in chemicals that are used to make some types of waterproof clothes. The chemical formula for fluorine is F2. | 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 fluorine 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 fluorine, F2, contains one atomic symbol:... |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Aunt amy,",
"Dear Aunt Amy,"
] | 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 first greeting is correct:
Its first word is capitalized, and it ends with a comma. Aunt Amy is capitalized because it is a proper noun. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"neither; the samples have the same temperature",
"sample B",
"sample A"
] | 1 | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. | closed choice | grade7 | natural science | physics | Particle motion and energy | Identify how particle motion affects temperature and pressure | The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance.
The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of... | The particles in both samples have the same average speed, but each particle in sample B has more mass than each particle in sample A. So, the particles in sample B have a higher average kinetic energy than the particles in sample A.
Because the particles in sample B have the higher average kinetic energy, sample B mus... | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
open - owe | [
"oil",
"ounce"
] | 1 | 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 ounce is between the guide words open - owe, it would be found on that page. | |
Which of these cities is marked on the map? | [
"Seattle",
"San Francisco",
"Las Vegas",
"Los Angeles"
] | 0 | closed choice | grade5 | social science | geography | Cities | Cities of the West | The city is Seattle, Washington. San Francisco, Los Angeles, and Las Vegas are marked with gray circles on the map below. | |||
Not supported with pagination yet | Complete the statement. Assume that Patrick's mass did not change.
The gravitational potential energy stored between Patrick and Earth () as he rode the escalator. | [
"decreased",
"increased",
"stayed the same"
] | 1 | Read the text about a person in motion.
Patrick rode an escalator from the first floor to the second floor of a shopping mall. | closed choice | grade8 | 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 Patrick and the center of Earth changed.
The second floor is higher than the first floor. As he rode the escalator toward the second floor, the distance between Patrick and the center of Earth increased. So, the gravitational potential energy stored between Patrick and Earth increas... |
Not supported with pagination yet | Select the bird. | [
"grass frog",
"arroyo toad",
"penguin",
"coral snake"
] | 2 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds have feathers, two wings, and a beak. | A coral snake is a reptile. It has scaly, waterproof skin.
Coral snakes spend most of their time underground or hiding under leaves.
A grass frog 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.
An arroyo toad is an amphibian. ... | |
Which bird's beak is also adapted to crack large, hard nuts? | [
"pale-tailed barbthroat",
"African gray parrot"
] | 1 | s eat large seeds and nuts. The shape of the 's beak is adapted to crack open large, hard nuts.
Figure: Alexandrine parakeet. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of a bird's beak is one example of an adaptation. Birds' beaks can be adapted in different ways. For example, a sharp hooked beak might help a bird tear through meat easily. ... | Look at the picture of the Alexandrine parakeet.
The Alexandrine parakeet has a thick hooked beak. Its beak is adapted to crack large, hard nuts. The Alexandrine parakeet uses its thick beak to crack the shell of a nut by squeezing it. The hooked shape of the beak can help the bird hold the nut in place while cracking ... | |
What is the capital of Hawaii? | [
"Baltimore",
"Hilo",
"Tallahassee",
"Honolulu"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify the 50 state capitals | Honolulu is the capital of Hawaii. | |||
Which is this organism's scientific name? | [
"Danaus plexippus",
"monarch butterfly"
] | 0 | This organism is a monarch butterfly. It is also called Danaus plexippus. | closed choice | grade7 | natural science | biology | Classification and scientific names | Identify common and scientific names | An organism's common name is the name that people normally call the organism. Common names often contain words you know.
An organism's scientific name is the name scientists use to identify the organism. Scientific names often contain words that are not used in everyday English.
Scientific names are written in italics,... | Danaus plexippus is written in italics. The first word is capitalized, and the second word is not.
So, Danaus plexippus is the scientific name. | |
Which solution has a higher concentration of yellow particles? | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | 0 | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. | closed choice | grade8 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per mill... | |
Not supported with pagination yet | Compare the motion of two fish. Which fish was moving at a higher speed? | [
"a fish that moved 15miles in 5hours",
"a fish that moved 20miles 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 fish moved and the time it took to move that distance.
One fish moved 20 miles in 5 hours.
The other fish moved 15 miles in 5 hours.
Notice that each fish spent the same amount of time moving. The fish that moved 20 miles moved a farther distance in that time. So, that fish must have moved at ... | |
Not supported with pagination yet | The mom and dad push the strollers at the same speed. Which stroller is pushed with a larger force? | [
"a stroller with kid that weighs 20 pounds",
"a stroller with kid that weighs 25 pounds"
] | 1 | A mom, a dad, and two kids are going for a walk. The mom and the dad each push one of the kids in a stroller. The strollers are the same. But the kids are different sizes. | closed choice | grade2 | natural science | physics | Force and motion | How do mass and force affect motion? | A force is a push or a pull.
A force can make an object start moving or stop an object that is moving. A force can also make an object speed up, slow down, or change direction.
Forces can be different sizes.
Think about trying to move a heavy object and a light object. Imagine you want to move them at the same speed. Y... | Look for the stroller that is heavier.
A stroller holding a kid that weighs 25 pounds is heavier than a stroller holding a kid that weighs 20 pounds. So, the stroller holding the kid that weighs 25 pounds needs to be pushed with a larger force to start moving forward at the same speed as the other other stroller. |
Not supported with pagination yet | Which figure of speech is used in this text?
Wayne remarked that the new book on anti-gravity was impossible to put down. | [
"pun",
"allusion"
] | 0 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses a pun, a word or phrase that humorously suggests more than one meaning.
Impossible to put down means that the book is so good that it is hard to stop reading. The phrase impossible to put down is also a joke about anti-gravity: if gravity pulls things down, perhaps anti-gravity does the opposite and makes... | |
Not supported with pagination yet | Would you find the word sneak on a dictionary page with the following guide words?
shame - stow | [
"no",
"yes"
] | 1 | yes or no | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since sneak is between the guide words shame - stow, it would be found on that page. | |
Which of the following fossils is older? Select the more likely answer. | [
"insect",
"mammal tooth"
] | 0 | This diagram shows fossils in an undisturbed sedimentary rock sequence. | closed choice | grade7 | natural science | earth-science | Fossils | Compare ages of fossils in a rock sequence | A fossil is the preserved evidence of an ancient organism. Some fossils are formed from body parts such as bones or shells. Other fossils, such as footprints or burrows, are formed from traces of an organism's activities.
Fossils are typically found in sedimentary rocks. Sedimentary rocks usually form in layers. Over t... | Look again at the fossils in the rock sequence diagram.
Compare the positions of these fossils to determine which one is older:
The insect fossil is in a deeper layer in the rock sequence than the mammal tooth fossil. So, the insect fossil is most likely older than the mammal tooth fossil. | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The wheelchair is pulling on Finn.",
"The wheelchair is pushing on Finn."
] | 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:
Finn is pushing on his friend's wheelchair. | 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... | Finn is pushing on the wheelchair. So, Newton's third law tells you that the wheelchair is pushing on Finn. |
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 1 | Two magnets are placed as shown. | closed choice | grade4 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles: north and south.
Here are some examples of magnets. The no... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
Not supported with pagination yet | Which type of sentence is this?
An avid reader, Hakim attends weekly book club meetings, and he finishes several novels every month. | [
"simple",
"compound",
"compound-complex",
"complex"
] | 1 | closed choice | grade10 | language science | grammar | Phrases and clauses | Is the sentence simple, compound, complex, or compound-complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought that can stand alone as a sentence. A dependent clause (or subordinate clause) is not a complete thought and cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alon... | The sentence is compound. It is made up of two independent clauses joined by the coordinating conjunction and.
An avid reader, Hakim attends weekly book club meetings, and he finishes several novels every month. | |
Complete the sentence.
The East Pacific Rise formed at a () boundary. | [
"divergent",
"transform",
"convergent"
] | 0 | Read the passage and look at the picture.
The East Pacific Rise is a massive underwater mountain range. It stretches from Mexico's Gulf of California almost all the way to Antarctica. The northernmost part of the East Pacific Rise is where the North American Plate and the Pacific Plate are moving away from each other, ... | closed choice | grade8 | natural science | earth-science | Plate tectonics | Describe tectonic plate boundaries around the world | The outer layer of Earth is broken up into many pieces called tectonic plates, or simply plates. The breaks between plates are called plate boundaries. Plate boundaries are classified by the way the plates are moving relative to each other:
At a transform boundary, two plates are sliding past each other.
At a convergen... | To figure out what type of plate boundary formed the East Pacific Rise, you need to know how the tectonic plates interacted. To find this out, read the passage carefully.
The East Pacific Rise is a massive underwater mountain range. It stretches from Mexico's Gulf of California almost all the way to Antarctica. The nor... | |
Not supported with pagination yet | What information supports the conclusion that Brittany inherited this trait? | [
"Brittany and her mother both wear their hair in braids.",
"Brittany's parents have red hair. They passed down this trait to Brittany."
] | 1 | Read the description of a trait.
Brittany has red hair. | 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 country is highlighted? | [
"Papua New Guinea",
"the Marshall Islands",
"Solomon Islands",
"Australia"
] | 2 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Solomon Islands. | |||
Which country is highlighted? | [
"Papua New Guinea",
"Nauru",
"New Zealand",
"Australia"
] | 2 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is New Zealand. | |||
Based on the event chain, when is Tinker Bell poisoned? | [
"before Captain Hook captures the Lost Boys",
"after the Lost Boys fight the pirates"
] | 1 | This event chain shows events from Peter and Wendy by J. M. Barrie. | closed choice | grade6 | language science | writing-strategies | Visual elements | Read graphic organizers | A graphic organizer is a chart or picture that shows how ideas, facts, or topics are related to one another.
When you read, look for graphic organizers included in the text. You can use these images to find key information. You can also create your own graphic organizers with information that you've read. Doing this ca... | An event chain uses arrows to show the order of events. This event chain shows events from Peter and Wendy by J. M. Barrie.
Follow the arrows to see the order of events. The second event is The Lost Boys fight pirates at Mermaids' Lagoon. The event Tinker Bell is poisoned but survives happens later in the chain. So, Ti... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | 1 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The smaller the magnets, the smaller the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is smaller in Pair 1 than in Pair 2. So, the magnit... | |
What is the capital of Maryland? | [
"Provo",
"Baltimore",
"Annapolis",
"Providence"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Annapolis is the capital of Maryland. | |||
Which property do these two objects have in common? | [
"soft",
"breakable"
] | 0 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells.
Different objects can have the same properties. You can use these properties to put objects into groups. | Look at each object.
For each object, decide if it has that property.
A breakable object will break into pieces if you drop it. The track suit is not breakable.
A soft object changes shape when you squeeze it. Both objects are soft.
The property that both objects have in common is soft. | |
Which continent is highlighted? | [
"North America",
"South America",
"Antarctica",
"Asia"
] | 0 | closed choice | grade8 | social science | geography | Physical Geography | Oceans and continents | A continent is one of the major land masses on the earth. Most people say there are seven continents. | This continent is North America. | ||
Not supported with pagination yet | What information supports the conclusion that Rosa acquired this trait? | [
"Rosa likes to look at butterflies and beetles.",
"Rosa learned to identify insects by reading many books about insects."
] | 1 | Read the description of a trait.
Rosa is good at identifying insects. | 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... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
I don't trust Professor Hurst's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Hurst has, too. | [
"guilt by association: a negative association intended to discredit someone or something",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"false dichotomy: an argument that presents only two choices when more options exist"
] | 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 Professor Hurst's research is untrustworthy because someone else at her university was caught falsifying data. However, this isn't necessarily true. The practices of one researcher at a university do not necessarily reflect the practices of another researcher at the same university. This illustrate... | |
Not supported with pagination yet | Which figure of speech is used in this text?
The war situation has developed not necessarily to Japan's advantage.
—Emperor Hirohito, surrendering in World War II | [
"antithesis",
"understatement"
] | 1 | closed choice | grade11 | 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 understatement, which involves deliberately representing something as less serious or important than it really is.
Not necessarily to Japan's advantage is an understatement, since Japan had lost the war. | |
Not supported with pagination yet | What kind of sentence is this?
Sebastian has never tried chocolate ice cream before, which I find astounding! | [
"declarative",
"exclamatory",
"interrogative"
] | 1 | 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 tells about something, but it shows surprise and ends with an exclamation point. It is an exclamatory sentence. | |
Not supported with pagination yet | Suppose Zane decides to watch the comedy. Which result would be a cost? | [
"Zane will get to watch the movie that he is more excited about.",
"Zane will give up the chance to watch a movie with his sister."
] | 1 | Zane is deciding whether to watch a comedy or an action movie. He would prefer to watch a comedy. But he also wants to watch a movie with his sister. Zane's sister will only watch an action movie. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Zane wants or needs:
Zane will give up the chance to watch a movie with his sister. |
Not supported with pagination yet | How long does it take to see all the animals at the zoo? | [
"4 hours",
"4 minutes"
] | 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 see all the animals at the zoo is 4 hours.
4 minutes is too fast. |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 1 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 2 attract. The magnets in Pair 1 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the ... | |
What is the name of the colony shown? | [
"Connecticut",
"North Carolina",
"New Hampshire",
"Massachusetts"
] | 0 | closed choice | grade8 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is Connecticut. | |||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | 2 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are the same as in Pair 2. The distance between the magnets is also the same.
So, the magnitude of the magnetic force is the same in both pairs. | |
Select the bird below. | [
"pelican",
"kangaroo"
] | 0 | Birds have feathers, two wings, and a beak. A bald eagle is an example of a bird. | closed choice | grade2 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A kangaroo is a mammal. It has fur and feeds its young milk.
A pelican is a bird. It has feathers, two wings, and a beak. | |
Complete the statement.
Dichloromethane is (). | [
"an elementary substance",
"a compound"
] | 1 | The model below represents a molecule of dichloromethane. Dichloromethane is used to remove caffeine from coffee beans and tea leaves. | closed choice | grade7 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using models | 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 ... | Use the model to determine whether dichloromethane is an elementary substance or a compound.
Step 1: Interpret the model.
.
Use the legend to determine the chemical element represented by each color. The colors and atomic symbols from the legend are shown in the table below. The table also includes the names of the che... | |
Which property do these four objects have in common? | [
"fuzzy",
"stretchy",
"smooth"
] | 0 | Select the best answer. | closed choice | grade5 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. Grouping objects... | Look at each object.
For each object, decide if it has that property.
A fuzzy object is covered in soft hair. All four objects are fuzzy.
A stretchy object gets longer when you pull on it. The kiwi is not stretchy.
A smooth object is not scratchy or rough. The stuffed dice are not smooth.
The property that all four obj... | |
Based on the bubble map, who said, "My good opinion, once lost, is lost forever"? | [
"Darcy",
"Elizabeth"
] | 0 | This bubble map shows traits of characters from Pride and Prejudice by Jane Austen. It also includes quotations from the characters that show these traits. | closed choice | grade6 | language science | writing-strategies | Visual elements | Read graphic organizers | A graphic organizer is a chart or picture that shows how ideas, facts, or topics are related to one another.
When you read, look for graphic organizers included in the text. You can use these images to find key information. You can also create your own graphic organizers with information that you've read. Doing this ca... | A bubble map uses lines or arrows to connect things that are related. This bubble map shows traits of characters from Pride and Prejudice by Jane Austen. It also includes quotations from the characters that show these traits.
Find the quotation "My good opinion, once lost, is lost forever" in the bubble map. It is dire... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"They have discovered that sleep has more than just restorative functions. For example, it plays a significant role in strengthening and solidifying memories.",
"Neuroscientists have discovered that sleep has more than just restorative functions. For example, it plays a significant role in strengthening and solid... | 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 second answer choice contains a vague pronoun reference. The pronoun they is used without its antecedent.
The first answer choice shows a possible correction for the vague pronoun reference. They has been replaced with neuroscientists.
Neuroscientists have discovered that sleep has more than just restorative functi... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
"Dan's personality is very Jekyll and Hyde," Olivia told her brother. | [
"U.S. history",
"literature"
] | 1 | closed choice | grade7 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Jekyll and Hyde is literature.
Robert Louis Stevenson's popular Victorian novella Dr. Jekyll and Mr. Hyde tells the story of a man with two distinct personalities. Known to the world as a kind and highly respected doctor, at night he transforms into a monstrous person.
The allusion Jekyll and... | |
Not supported with pagination yet | Complete the sentence.
Burning a marshmallow over a campfire is a (). | [
"physical change",
"chemical 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... | Burning a marshmallow is a chemical change. The heat from the fire causes the type of matter in the marshmallow to change. The marshmallow becomes black and crispy. | |
Is breccia a mineral? | [
"yes",
"no"
] | 1 | Breccia has the following properties:
solid
naturally occurring
not made by organisms
not a pure substance
no fixed crystal structure | yes or no | grade6 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Properties are used to identify different substances. Minerals have the following properties:
It is a solid.
It is formed in nature.
It is not made by organisms.
It is a pure substance.
It has a fixed crystal structure.
If a substance has all five of these properties, then it is a mineral.
Look closely at the last thre... | Breccia does not have all the properties of a mineral. So, breccia is not a mineral. | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is greater in Pair 2."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | closed choice | grade5 | natural science | physics | Magnets | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Both magnet sizes and distance affect the magnitude of the magnetic force. The sizes of the magnets in Pair 1 are... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Mason was enjoying the lush life his newfound riches had brought him, but he couldn't help but think of his latest cholesterol reading as a Sword of Damocles. | [
"Shakespeare",
"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 Sword of Damocles is ancient legend.
According to legend, when Damocles wished his life were as full of luxuries as that of the tyrant Dionysis, Dionysis invited Damocles to a sumptuous banquet. Above Damocles' seat at the feast, Dionysis had placed a sword, suspended only by a thin hair, dem... | |
Which country is highlighted? | [
"Tonga",
"Samoa",
"Kiribati",
"Fiji"
] | 1 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Samoa. | |||
Not supported with pagination yet | Complete the sentence so that it uses personification.
Each time she attempted the seemingly impossible task, frustration () all over again. | [
"returned to her",
"kicked her in the stomach"
] | 1 | 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 phrase kicked her in the stomach. It describes frustration as if it were a violent person. | |
Which animal's neck is also adapted for hunting prey while keeping the rest of its body still? | [
"blue-footed booby",
"saddle-billed stork"
] | 1 | Black-headed herons live near wetlands and lakes. They eat mostly fish.
The 's neck helps it grab fish while keeping the rest of its body still. If the heron had to move its body, it might scare the fish away.
Figure: black-headed heron. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of an animal's neck is one example of an adaptation. Animals' necks can be adapted in different ways. For example, a large frilled neck might help an animal appear dangerous ... | Look at the picture of the black-headed heron.
The black-headed heron has a long neck. Its neck is adapted for hunting prey while keeping the rest of its body still. This allows the black-headed heron to grab the prey without scaring it away.
Now look at each animal. Figure out which animal has a similar adaptation.
Th... | |
Not supported with pagination yet | How long is a tennis racket? | [
"23 inches",
"23 miles",
"23 yards",
"23 feet"
] | 0 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using customary units, length may be written with units of inches, feet, yards, or miles.
There are 12 inches in 1 foot, and 3 feet in 1 yard. There are 5,280 feet in 1 mile.
A foo... | The best estimate for the length of a tennis racket is 23 inches.
23 feet, 23 yards, and 23 miles are all too long. |
Not supported with pagination yet | Which logical fallacy is used in the text?
Hazel never lies. She told me herself, so it must be true. | [
"circular reasoning: an argument that supports a claim with the claim itself",
"red herring: the use of a completely unrelated topic or idea"
] | 0 | closed choice | grade7 | 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 Hazel is telling the truth because she says she never lies. However, the "evidence" is just a restatement of the claim itself. This illustrates a type of logical fallacy known as circular reasoning. | |
Which is this organism's common name? | [
"Canis lupus",
"gray wolf"
] | 1 | This organism is Canis lupus. It is also called a gray wolf. | closed choice | grade7 | natural science | biology | Classification and scientific names | Identify common and scientific names | An organism's common name is the name that people normally call the organism. Common names often contain words you know.
An organism's scientific name is the name scientists use to identify the organism. Scientific names often contain words that are not used in everyday English.
Scientific names are written in italics,... | Canis lupus is written in italics. The first word is capitalized, and the second word is not. So, it is the scientific name.
Canis lupus is the organism's scientific name. So, you know that gray wolf is the common name. | |
What is the capital of North Dakota? | [
"Bismarck",
"Madison",
"Fargo",
"Nashville"
] | 0 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Midwest | Bismarck is the capital of North Dakota. | |||
Not supported with pagination yet | What kind of sentence is this?
Did you knit that sweater yourself? | [
"interrogative",
"imperative"
] | 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 asks something, and it ends with a question mark. It is an interrogative sentence. | |
Not supported with pagination yet | Which letter opening is more formal? | [
"Dear Mr. Khan,",
"Dear Tommy,"
] | 0 | closed choice | grade11 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The second letter opening is more formal. It uses the recipient's personal title and last name. The other opening uses the recipient's first name, suggesting a more familiar relationship. | |
Not supported with pagination yet | Select the one animal that has all of the segmented worm traits listed above. | [
"Earthworms live in soil and have no limbs. Their bodies are soft, cylindrical, and made up of many segments.",
"Blue crabs are omnivores. Omnivores are animals that are adapted to eat both plants and animals. Blue crabs have an exoskeleton and two pairs of antennae."
] | 0 | Segmented worms are a group of animals with similar traits. The following traits can be used to identify segmented worms:
They have a soft, cylindrical body.
They have no limbs.
They are made up of segments. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify animals | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Segmented worms have the following traits:
They have a soft, cylindrical body.
They have no limbs.
They are made up of segments.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A ... |
What is the capital of Colorado? | [
"Denver",
"Carson City",
"Albuquerque",
"Nashville"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify the 50 state capitals | Denver is the capital of Colorado. | |||
Which of these colonies was Southern Colonies? | [
"Virginia",
"Pennsylvania"
] | 0 | In the following questions, you will learn about the origin of the Southern Colonies. The Southern Colonies made up the southern part of the Thirteen Colonies, which were ruled by Great Britain in the 1600s and 1700s. The population of the Southern Colonies included enslaved and free people of African descent, Native A... | closed choice | grade7 | social science | us-history | Colonial America | Southern Colonies: founding and government | Look at the legend on the map.
All of the colonies are shaded by region. The Southern Colonies included five colonies:
The rest of the Thirteen Colonies were part of the Middle Colonies or New England. | ||
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
careless - counter | [
"climate",
"curly"
] | 0 | 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 climate is between the guide words careless - counter, it would be found on that page. | |
Which statement describes the Mount Rainier National Park ecosystem? | [
"It has soil that is rich in nutrients.",
"It has mostly small plants.",
"It has soil that is poor in nutrients."
] | 2 | Figure: Mount Rainier National Park.
Mount Rainier National Park is a taiga ecosystem in Washington State. The park is named after a volcano called Mount Rainier, which is covered in glaciers. | closed choice | grade5 | natural science | biology | Ecosystems | Describe ecosystems | An environment includes all of the biotic, or living, and abiotic, or nonliving, things in an area. An ecosystem is created by the relationships that form among the biotic and abiotic parts of an environment.
There are many different types of terrestrial, or land-based, ecosystems. Here are some ways in which terrestri... | A taiga is a type of ecosystem. Taigas have the following features: long, cold winters and short, cool summers, many evergreen trees, and soil that is poor in nutrients. So, the following statement describes the Mount Rainier National Park ecosystem: long, cold winters and short, cool summers, many evergreen trees, and... | |
Which of these states is farthest east? | [
"Oregon",
"Iowa",
"Kentucky",
"Oklahoma"
] | 2 | closed choice | grade2 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the east arrow is pointing. Kentucky is farthest east. | ||
Not supported with pagination yet | Is laying carpet a good or a service? | [
"a good",
"a service"
] | 1 | 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 laying carpet is a good or a service, ask these questions:
Is laying carpet something you can touch? No.
Is laying carpet a job you might pay someone else to do? Yes.
So, laying carpet is a service. | |
Not supported with pagination yet | What information supports the conclusion that Darell inherited this trait? | [
"Darell and his biological parents have brown hair.",
"Darell's biological father has curly hair.",
"Darell's coworker also has curly hair."
] | 1 | Read the description of a trait.
Darell has curly 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.... | |
Is the following statement about our solar system true or false?
There are twice as many ice planets as rocky planets. | [
"true",
"false"
] | 1 | Use the data to answer the question below. | true-or false | grade7 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | The table tells you that there are two ice planets and four rocky planets. So, there are half as many ice planets as rocky planets. | |
Not supported with pagination yet | Select the one substance that is not a rock. | [
"Chalk is a solid. It is formed in nature.",
"A nutshell is made by a living thing. It is a solid.",
"Quartzite is a solid. It is not a pure substance."
] | 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.
Quartzite is a rock.
A nutshell is made by a living thing. But rocks are not made by living things.
So, a nutshell is not a rock.
Chalk is a rock. | |
Not supported with pagination yet | Would you find the word prize on a dictionary page with the following guide words?
pirate - puppet | [
"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 prize is between the guide words pirate - puppet, it would be found on that page. | |
Not supported with pagination yet | Using only these supplies, which question can Lila investigate with an experiment? | [
"When placed in the sun, does a glass jar wrapped in cotton heat up more than a glass jar wrapped in wool?",
"When placed in the sun, does a glass jar wrapped in a black cotton shirt heat up more than a glass jar wrapped in a white cotton shirt?",
"When wrapped in a cotton shirt and placed in the sun, does a la... | 1 | Lila is outside with her friend on a sunny day. Lila is wearing a light-colored shirt, and she notices that she feels colder than her friend, who is wearing a dark shirt. She wonders what factors affect how fabric warms an object. So, she decides to design an experiment. She has the following supplies available:
a blac... | closed choice | grade6 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
What is the name of the colony shown? | [
"Maine",
"Connecticut",
"New Hampshire",
"Vermont"
] | 1 | closed choice | grade8 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is Connecticut. | |||
Not supported with pagination yet | Choose the poem that uses repetition. | [
"How the danger sinks and swells,\nBy the sinking or the swelling in the anger of the bells—\nOf the bells—\nOf the bells, bells, bells, bells,\nBells, bells, bells—\nIn the clamor and the clangor of the bells!",
"Woodman, spare that tree!\nTouch not a single bough!\nIn youth it sheltered me,\nAnd I'll protect it... | 0 | From George Pope Morris, "Woodman, Spare That Tree" and from Edgar Allan Poe, "The Bells" | closed choice | grade4 | language science | reading-comprehension | Poetry elements | Identify elements of poetry | Poetry is a special kind of writing. It has many elements that make it different from ordinary writing. Knowing these elements can help you talk about poetry, understand it better, and enjoy it more.
A poem rhymes when it has a pattern of words that end in the same sound.
End rhyme is when the rhymes appear at the end ... | This poem uses repetition. It repeats words, phrases, or lines.
In the clamor and the clangor of the bells! |
Not supported with pagination yet | Which correctly shows the title of a short story? | [
"\"The Price of Friendship\"",
"\"the price of Friendship\""
] | 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 word of is not important, so it should not be capitalized.
The correct title is "The Price of Friendship." | |
Not supported with pagination yet | Select the living thing. | [
"shoe",
"piano",
"barrel cactus",
"pushpin"
] | 2 | 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 shoe is not a living thing.
Shoes do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.
A barrel cactus is a living thing.
Barrel cacti grow and respond to their environment. They need food and water. Barrel cacti are made up of many cells.
B... | |
What is the capital of Connecticut? | [
"New Haven",
"Hartford",
"Omaha",
"Fayetteville"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Hartford is the capital of Connecticut. | |||
Identify the question that Hannah and Liam's experiment can best answer. | [
"Does Hannah's snowboard slide down a hill in less time when it has a thin layer of wax or a thick layer of wax?",
"Does Hannah's snowboard slide down a hill in less time when it has a layer of wax or when it does not have a layer of wax?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Hannah applied a thin layer of wax to the underside of her snowboard and rode the board straight down a hill. Then, she removed the wax and rode the snowboard straight down the hill again. She repeated the rides four mo... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify the experimental question | Experiments can be designed to answer specific questions. How can you identify the questions that a certain experiment can answer? In order to do this, you need to figure out what was tested and what was measured during the experiment.
Imagine an experiment with two groups of daffodil plants. One group of plants was gr... | ||
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade2 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south.
Here are some examples of magnets.... | Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Poles that are different attract. So, these magnets will attract each other. | |
Not supported with pagination yet | Which is a run-on sentence? | [
"Mom drank coffee and milk I had tea.",
"Sue spilled apple juice on the carpet."
] | 0 | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A run-on sentence is made up of two sentences that are joined without end punctuation or with just a comma.
I knocked on the door it opened.
It started raining, we ran inside.
To fix a run-on ... | Mom drank coffee and milk I had tea is a run-on sentence. It has two sentences that are joined without end punctuation: Mom drank coffee and milk and I had tea. |
Subsets and Splits
Validation Subject & Topic Summary
Reveals the distribution and count of images across different subjects, topics, and categories, highlighting the most prevalent combinations.
SQL Console for derek-thomas/ScienceQA
This query provides a balanced sample of entries across different topics where images are missing, allowing for a more representative analysis of text-only data.
SQL Console for derek-thomas/ScienceQA
This query provides a balanced sample of text entries across different topics, ensuring that each topic is proportionally represented, which is useful for further analysis or model training.
Random Sample by Topic Ratio
This query balances the dataset by randomly selecting a proportional number of items from each topic to create a balanced subset of 3000 items, revealing how well-represented each topic is in the dataset.
Topic Counts by Grade
Provides a breakdown of the number of questions by topic (physics, chemistry, biology, geography) for each grade level, revealing the distribution of question types.
Validation Category Counts
Counts the number of unique questions per category, helping to understand the distribution of questions across different categories.
SQL Console for derek-thomas/ScienceQA
Identifies categories, questions, and answers that appear more than four times in the validation dataset with images, highlighting common or repetitive entries.
ScienceQA Validation Grouped Data
Provides a count of images and overall occurrences for each combination of subject, topic, category, and answer, helping to identify popular or common configurations.
Train Data with Numeric Choices
This query identifies distinct rows in the dataset where one of the elements in the choices column contains a number and the image column is null, providing insight into data completeness and specific patterns in the choices.
Physics Train with Images and Lectures
Retrieves physics educational records with images and lectures for specific grade levels, providing basic filtering but offering limited analytical insight beyond data availability.
Physics Q&As with Images
Retrieves physics-related training examples with images for specific grade levels, providing basic filtered data but offering limited analytical insight beyond simple categorization.
Physics Questions Gr 2-6 With Images
Retrieves physics-related test items with images for specific grade levels, providing basic filtered data but offering limited analytical insights beyond simple data retrieval.
Filter Text-only Train Questions
Retrieves questions and related metadata from the dataset excluding those with images, offering basic data filtering.
Skills Without Images
Counts the number of skills where the image is missing, providing a basic overview of incomplete data.
Top 10 Hard Text Questions
Retrieves the top 10 longest questions without images, ordered by grade level in descending order, providing basic insight into potentially more complex questions.
SQL Console for derek-thomas/ScienceQA
Counts the occurrences of each category, question, and answer combination where an image is present, providing basic filtering on the dataset.
List ScienceQA Topics
Lists all unique topics in the dataset, which provides a basic overview of the categories present.
Cultural Questions Without Images
Retrieves 100 entries from the 'train' dataset where the image is missing and the topic is 'culture', providing basic filtering with limited analytical value.
Biology Skills for Grades 2 & 3
Lists unique skills and categories for biology topics in grades 2 and 3, providing basic filtering of the dataset.
Biology Qs for Grades 2 &
Retrieves all entries for grade 2 and grade 3 students focusing on the biology topic, providing a basic filtered view of the dataset.
Biology Grade 3 Questions Count
Counts the number of entries for grade 3 students in the biology topic, providing a basic count of data points.
Select Test Rows With Images
The query retrieves all records from the 'test' table where the 'image' column is not null, providing basic filtering without deep analytical value.
Test Images Query
This query retrieves a limited sample of rows where the image column is not null, providing basic filtering but minimal analytical value.
Test Data with Images
The query filters out rows where the image column is not null, providing a basic subset of the data but without much analytical insight.
Select Test Entries With Images
The query retrieves all records from the 'test' table where the 'image' column is not null, providing basic filtering but no deeper analytical insight.