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Not supported with pagination yet | Select the liquid. | [
"pair of dice",
"water droplets",
"spoon",
"chalk"
] | 1 | 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... | Chalk is a solid. You can easily break chalk into pieces. But each piece will still have a size and shape of its own.
Water droplets are a liquid. A liquid takes the shape of any container it is in. If you collect water droplets in a bucket, they will take the shape of the bucket. But the water droplets will still take... | |
Not supported with pagination yet | Based on this information, what is Mortimer's phenotype for the fur color trait? | [
"black fur",
"FF"
] | 0 | In a group of rabbits, some individuals have black fur and others have brown fur. In this group, the gene for the fur color trait has two alleles. The allele F is for black fur, and the allele f is for brown fur.
Mortimer, a rabbit from this group, has black fur. Mortimer has two alleles for black fur. | 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. Mortimer's observable version of the fur color trait is black fur. So, Mortimer's phenotype for the fur color trait is black fur. |
Not supported with pagination yet | What kind of sentence is this?
Lucia considers Paris the most romantic city in the world. | [
"interrogative",
"exclamatory",
"declarative"
] | 2 | closed choice | grade10 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement and always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An imperative sentence makes a request or a demand and usually ends with a period. If a demand shows strong feeling, it can ... | The sentence is a statement and ends with a period. It is a declarative sentence. | |
Which of these states is farthest south? | [
"North Dakota",
"Washington",
"Wyoming",
"Maine"
] | 2 | closed choice | grade3 | 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 south arrow is pointing. Wyoming is farthest south. | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Looking at his life, we couldn't help but see Mitch as a Job-like figure. | [
"the Bible",
"Greek 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 Job is the Bible.
In the Bible, Job remains faithful and loyal to God, even after the unjust loss of his possessions, family, and health.
The allusion Job means someone who patiently endures adversity. | |
Which better describes the Kaeng Krachan National Park ecosystem? | [
"It has year-round rain. It also has soil that is poor in nutrients.",
"It has cold winters. It also has soil that is rich in nutrients."
] | 0 | Figure: Kaeng Krachan National Park.
Kaeng Krachan National Park is a tropical rain forest ecosystem in western Thailand. | closed choice | grade4 | 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 tropical rain forest is a type of ecosystem. Tropical rain forests have the following features: year-round rain and warm temperatures, soil that is poor in nutrients, and many different types of organisms. So, Kaeng Krachan National Park has year-round rain. It also has soil that is poor in nutrients. | |
Not supported with pagination yet | Is a globe a good or a service? | [
"a good",
"a service"
] | 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 a globe is a good or a service, ask these questions:
Is a globe something you can touch? Yes.
Is a globe a job you might pay someone else to do? No.
So, a globe is a good. | |
What is the name of the colony shown? | [
"Maryland",
"South Carolina",
"Tennessee",
"Massachusetts"
] | 3 | closed choice | grade4 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is Massachusetts.
The Massachusetts Colony included land that would later become the state of Maine. Maine was never its own colony. | |||
Which of the following fossils is older? Select the more likely answer. | [
"crocodile egg",
"feather"
] | 1 | This diagram shows fossils in an undisturbed sedimentary rock sequence. | closed choice | grade8 | 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 feather fossil is in a deeper layer in the rock sequence than the crocodile egg fossil. So, the feather fossil is most likely older than the crocodile egg fossil. | |
Not supported with pagination yet | What is the mass of a goat? | [
"35 grams",
"35 kilograms"
] | 1 | 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 a goat is 35 kilograms.
35 grams is too light. |
Not supported with pagination yet | What kind of sentence is this?
How well does Jaylen play the guitar? | [
"interrogative",
"imperative"
] | 0 | closed choice | grade5 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence asks something, and it ends with a question mark. It is an interrogative sentence. | |
Not supported with pagination yet | Which figure of speech is used in this text?
"There's nothing I love more than skipping lunch," Mr. Gibson told the flight attendant when he learned that no food would be available on his cross-country flight. | [
"verbal irony",
"personification"
] | 0 | 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.
Nothing I love more shows verbal irony because Mr. Gibson is probably upset that there isn't anything to eat. | |
Which of the following could Alec's test show? | [
"if the weather station would work when the temperature was 50°C",
"how well the weather station would work when it was windy"
] | 0 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade6 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
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 the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 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 | 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.
Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the ... | |
Which of the following could Savannah's test show? | [
"if the new turbine could turn easily",
"how much the new turbine would weigh",
"whether the new turbine could produce 10% more electricity"
] | 2 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade7 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Not supported with pagination yet | Does this passage describe the weather or the climate?
While at the park today, Elijah noticed that the wind was coming from the southwest. | [
"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.
While at the park today, Elijah noticed that the wind was coming from the southwest.
This passage tells you about the wind direction at the park today. It describes the atmosphere at a certain place and time. So, this passage describes the weather. |
Not supported with pagination yet | Which body part pumps blood through the body? | [
"stomach",
"brain",
"heart"
] | 2 | closed choice | grade2 | natural science | biology | Animals | Body parts and their functions | |||
What is the name of the colony shown? | [
"Georgia",
"Iowa",
"New Jersey",
"Connecticut"
] | 2 | closed choice | grade5 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is New Jersey. | |||
Which continent is highlighted? | [
"Asia",
"South America",
"Antarctica",
"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. | ||
Not supported with pagination yet | Select the bird. | [
"porcupinefish",
"keel-billed toucan",
"red-spotted newt",
"harbor seal"
] | 1 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds have feathers, two wings, and a beak. | A keel-billed toucan is a bird. It has feathers, two wings, and a beak.
Toucans have large beaks. A toucan's beak can be half as long as its body.
A porcupinefish is a fish. It lives underwater. It has fins, not limbs.
Porcupinefish can puff up their bodies with air or water to scare off predators.
A harbor seal is a m... | |
Which country is highlighted? | [
"Grenada",
"Cuba",
"The Bahamas",
"Haiti"
] | 2 | closed choice | grade6 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is The Bahamas. | |||
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The suitcase is pushing on Dean.",
"The suitcase is pulling on Dean."
] | 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:
Dean is pulling on a full suitcase. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Dean is pulling on the suitcase. So, Newton's third law tells you that the suitcase is pulling on Dean. |
Identify the question that Shelley's experiment can best answer. | [
"Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?",
"Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Shelley prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Shelley soaked white linen fabric squares in five of the buckets, and white cotton fabric squares in the oth... | closed choice | grade6 | 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... | ||
Not supported with pagination yet | How long is a potato? | [
"7 yards",
"7 inches",
"7 feet",
"7 miles"
] | 1 | 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 potato is 7 inches.
7 feet, 7 yards, and 7 miles are all too long. |
Is a computer processor a mineral? | [
"yes",
"no"
] | 1 | A computer processor has the following properties:
solid
made in a factory
no fixed crystal structure
made of silicon, plastic, and metals | 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... | A computer processor does not have all the properties of a mineral. So, a computer processor is not a mineral. | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Bridget has five fingers on each hand. | [
"inherited",
"acquired"
] | 0 | closed choice | grade5 | natural science | biology | Traits and heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Most humans are born with five fingers on each hand. So, having five fingers is an inherited trait. | |
What is the expected ratio of offspring with white wool to offspring with black wool? Choose the most likely ratio. | [
"2:2",
"4:0",
"3:1",
"0:4",
"1:3"
] | 1 | In a group of sheep, some individuals have white wool and others have black wool. In this group, the gene for the wool color trait has two alleles. The allele for white wool (L) is dominant over the allele for black wool (l).
This Punnett square shows a cross between two sheep. | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate ratios of offspring types | Offspring phenotypes: dominant or recessive?
How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a... | To determine how many boxes in the Punnett square represent offspring with white wool or black wool, consider whether each phenotype is the dominant or recessive allele's version of the wool color trait. The question tells you that the L allele, which is for white wool, is dominant over the l allele, which is for black... | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Tyrone's remark about your new car is clearly a case of sour grapes. | [
"Greek mythology",
"a fable"
] | 1 | closed choice | grade8 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion sour grapes is a fable.
In the fable "The Fox and the Grapes," a fox tries unsuccessfully to reach a bunch of grapes. Because he cannot reach them and therefore cannot eat them, he tells himself that they must be sour.
The allusion sour grapes means criticizing something because you can't hav... | |
Not supported with pagination yet | Which tense does the sentence use?
Akiko teaches Chloe about customs in Japan. | [
"past tense",
"future tense",
"present tense"
] | 2 | 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, teaches. The verb ends in -es and tells you about something that is true or happening now. | |
Which country is highlighted? | [
"Haiti",
"Cuba",
"The Bahamas",
"Jamaica"
] | 1 | closed choice | grade6 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Cuba.
Does Cuba have any territorial disputes?
Cuba claims to own Guantanamo Bay Naval Base, which is a disputed territory. In other words, multiple countries or groups claim that the area rightfully belongs to them.
The United States controls the area and uses it as a military base and prison. A treaty... | |||
Which animal is also adapted to be camouflaged in the snow? | [
"skunk",
"ptarmigan"
] | 1 | Arctic wolves live in the Canadian Arctic and Greenland. The is adapted to be camouflaged in the snow.
Figure: Arctic wolf. | closed choice | grade3 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the Arctic wolf.
This Arctic wolf has white fur covering its body. It is adapted to be camouflaged in the snow. The word camouflage means to blend in.
Now look at each animal. Figure out which animal has a similar adaptation.
During the winter, the ptarmigan has white feathers covering its body. ... | |
Not supported with pagination yet | Which word does not rhyme? | [
"plan",
"ran",
"rain"
] | 2 | closed choice | grade1 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the ip sound.
The words lake and make rhyme. They both end with the ake sound.
The words tip and lake don't rhyme. They end with different sounds. | The words ran and plan rhyme. They both end with the an sound.
The word rain does not rhyme. It ends with a different sound. | |
What is the name of the colony shown? | [
"Pennsylvania",
"Illinois",
"West Virginia",
"Rhode Island"
] | 0 | closed choice | grade4 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is Pennsylvania. | |||
What is the capital of Idaho? | [
"Sacramento",
"Olympia",
"Boise",
"Santa Fe"
] | 2 | closed choice | grade4 | social science | geography | State capitals | Identify the 50 state capitals | Boise is the capital of Idaho. | |||
Not supported with pagination yet | Complete the sentence so that it uses personification.
"You might think you'll always be young," Mrs. Stone counseled, "but time ()". | [
"creeps up on you",
"affects everyone"
] | 0 | closed choice | grade9 | 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 creeps up on you. It describes time as if it were a sneaky person. | |
Not supported with pagination yet | How long is a human front tooth? | [
"12 millimeters",
"12 kilometers",
"12 centimeters",
"12 meters"
] | 0 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose metric 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 metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar... | The best estimate for the length of a human front tooth is 12 millimeters.
12 centimeters, 12 meters, and 12 kilometers are all too long. |
Not supported with pagination yet | Which figure of speech is used in this text?
Grace asked her mother if she could adopt a cat, and her mother replied, "It's a definite maybe," so Grace didn't want to get her hopes up. | [
"euphemism",
"oxymoron"
] | 1 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Definite maybe is a contradiction, because definite describes something that is sure, and maybe refers to something that is unsure. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | 2 | 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 | grade6 | 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... | Each particle in sample B has more mass than each particle in sample A. The particles in sample B also have a higher average speed than the particles 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 ... | |
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 0 | Figure: Lake Bunyonyi.
Many boats travel across Lake Bunyonyi in Uganda. There were light winds on the lake this morning.
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 | grade6 | natural science | earth-science | Weather and climate | Weather and climate around the world | 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 passage carefully.
Many boats travel across Lake Bunyonyi in Uganda. There were light winds on the lake this morning.
The underlined part of the passage tells you about the wind on Lake Bunyonyi this morning. This passage describes the atmosphere at a certain place and time. So, this passage describes the weat... | |
Not supported with pagination yet | What information supports the conclusion that Daniel acquired this trait? | [
"Daniel knits sweaters using cotton, wool, and other types of yarn.",
"Daniel learned how to knit in an after school program."
] | 1 | Read the description of a trait.
Daniel knows how to knit sweaters. | 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 bird's beak is also adapted to catch insects? | [
"European nightjar",
"hanging parrot"
] | 0 | Superb fairywrens eat insects and other small invertebrates. The shape of the 's beak is adapted to catch insects.
Figure: superb fairywren. | closed choice | grade4 | 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 superb fairywren.
A short, thin beak is light and easy to move. The superb fairywren uses its beak to grab fast-moving insects while flying.
Now look at each bird. Figure out which bird has a similar adaptation.
The European nightjar has a short, thin beak. Its beak is adapted to catch insect... | |
Select the reptile below. | [
"zebra",
"box turtle"
] | 1 | Reptiles have scaly, waterproof skin. Most reptiles live on land. An American alligator is an example of a reptile. | 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 box turtle is a reptile. It has scaly, waterproof skin.
A zebra is a mammal. It has hair and feeds its young milk. | |
Not supported with pagination yet | Which word does not rhyme? | [
"globe",
"note",
"robe"
] | 1 | closed choice | grade2 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the same sound.
The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings.
The words tip and meet don't rhyme. They end with different sounds. | The words globe and robe rhyme. They both end with the obe sound.
The word note does not rhyme. It ends with a different sound. | |
Not supported with pagination yet | Would you find the word tub on a dictionary page with the following guide words?
tax - theory | [
"no",
"yes"
] | 0 | yes or no | 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 tub is not between the guide words tax - theory, it would not be found on that page. | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The gas pedal is pulling on Susan's foot.",
"The gas pedal is pushing on Susan's foot."
] | 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:
Susan's foot is pushing on her car's gas pedal. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Susan's foot is pushing on the gas pedal. So, Newton's third law tells you that the gas pedal is pushing on Susan's foot. |
Not supported with pagination yet | Would you find the word arrest on a dictionary page with the following guide words?
act - axis | [
"yes",
"no"
] | 0 | 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 arrest is between the guide words act - axis, it would be found on that page. | |
Not supported with pagination yet | Would you find the word laughter on a dictionary page with the following guide words?
lever - litter | [
"yes",
"no"
] | 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 laughter is not between the guide words lever - litter, it would not be found on that page. | |
Which country is highlighted? | [
"the Marshall Islands",
"Australia",
"Kiribati",
"Nauru"
] | 2 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Kiribati. | |||
Not supported with pagination yet | Which type of sentence is this?
Natalie is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | [
"simple",
"compound",
"complex",
"compound-complex"
] | 3 | closed choice | grade11 | 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-complex. It is made up of two independent clauses and a dependent clause. The dependent clause begins with the relative pronoun which.
Natalie is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | |
What is the name of the colony shown? | [
"Massachusetts",
"New Jersey",
"North Carolina",
"Georgia"
] | 2 | closed choice | grade8 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is North Carolina. | |||
Not supported with pagination yet | Which logical fallacy is used in the text?
I'm never setting foot in any seafood restaurant again. We just had a ridiculously overpriced dinner at Rafi's Seafood Hut, and I have no interest in repeating that experience. | [
"hasty generalization: a very broad claim based on very little evidence",
"false causation: the assumption that because two things happened together, one caused the other"
] | 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 all seafood restaurants are overpriced. However, even though one seafood restaurant was overpriced, that doesn't necessarily mean that all seafood restaurants are overpriced. This illustrates a type of logical fallacy known as a hasty generalization. | |
Which better describes the Okavango Delta ecosystem? | [
"It has soil that is rich in nutrients. It also has other water ecosystems nearby.",
"It has soil that is poor in nutrients. It also has other water ecosystems nearby."
] | 0 | Figure: Okavango Delta.
The Okavango Delta is a wetland ecosystem in Botswana, a country in southern Africa. | closed choice | grade3 | natural science | biology | Ecosystems | Describe ecosystems | An ecosystem is formed when living and nonliving things interact in an environment. There are many types of ecosystems. Here are some ways in which ecosystems can differ from each other:
the pattern of weather, or climate
the type of soil or water
the organisms that live there | A wetland is a type of ecosystem. Wetlands have the following features: land that is covered with water during most of the year, soil that is rich in nutrients, and other water ecosystems nearby. So, the Okavango Delta has soil that is rich in nutrients. It also has other water ecosystems nearby. | |
Not supported with pagination yet | What information supports the conclusion that Carmen acquired this trait? | [
"Carmen was not born knowing how to identify different bird calls. She had to learn this skill.",
"Carmen likes to photograph birds at the zoo."
] | 0 | Read the description of a trait.
Carmen is good at identifying birds from their calls. | 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... | |
Not supported with pagination yet | Complete the sentence.
An air freshener making a room smell nice is a (). | [
"chemical change",
"physical change"
] | 1 | closed choice | grade5 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form new molecules. The types of molecules in matter before an... | An air freshener making a room smell nice is a change of state. So, it is a physical change. The matter in the air freshener is changing from solid to gas. This is called sublimation.
The gas spreads to fill the room and changes the scent of the air. But it does not form a different type of matter. | |
Which animal is also adapted to be camouflaged among green leaves? | [
"blue poison dart frog",
"huntsman spider"
] | 1 | Green silver-lines are a type of moth. They are found in Asia and Europe. The is adapted to be camouflaged among green leaves.
Figure: green silver-line. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the green silver-line.
The green silver-line has a green body. It is adapted to be camouflaged among green leaves. The word camouflage means to blend in.
Now look at each animal. Figure out which animal has a similar adaptation.
This huntsman spider has a green body. It is adapted to be camouflag... | |
Complete the text to describe the diagram.
Solute particles moved in both directions across the permeable membrane. But more solute particles moved across the membrane (). When there was an equal concentration on both sides, the particles reached equilibrium. | [
"to the left than to the right",
"to the right than to the left"
] | 0 | The diagram below shows a solution with one solute. Each solute particle is represented by a pink ball. The solution fills a closed container that is divided in half by a membrane. The membrane, represented by a dotted line, is permeable to the solute particles.
The diagram shows how the solution can change over time d... | closed choice | grade6 | natural science | chemistry | Solutions | Diffusion across membranes | In a solution, solute particles move and spread throughout the solvent. The diagram below shows how a solution can change over time. Solute particles move from the area where they are at a higher concentration to the area where they are at a lower concentration. This movement happens through the process of diffusion.
A... | Look at the diagram again. It shows you how the solution changed during the process of diffusion.
Before the solute particles reached equilibrium, there were 5 solute particles on the left side of the membrane and 7 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there... | |
Which animal's feet are also adapted for grabbing prey? | [
"common buzzard",
"white rhinoceros"
] | 0 | Ospreys eat fish, mammals, and other birds. The 's feet are adapted to grab prey.
Figure: osprey. | closed choice | grade4 | natural science | biology | Adaptations | Animal adaptations: feet and limbs | 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 feet is one example of an adaptation. Animals' feet can be adapted in different ways. For example, webbed feet might help an animal swim. Feet with thick fur m... | Look at the picture of the osprey.
The osprey has long toes with sharp claws. Its feet are adapted for grabbing prey. The sharp claws can help the osprey attack and kill its prey. The long toes can help it hold on to its prey.
Now look at each animal. Figure out which animal has a similar adaptation.
The common buzzard... | |
Not supported with pagination yet | Which figure of speech is used in this text?
Where have you gone, Joe DiMaggio?
A nation turns its lonely eyes to you . . .
—Paul Simon, "Mrs. Robinson" | [
"chiasmus",
"apostrophe"
] | 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 apostrophe, a direct address to an absent person or a nonhuman entity.
Joe DiMaggio is a direct address to former baseball star Joe DiMaggio, an absent person. | |
Which of the following could Devin's test show? | [
"how much athletes would sweat in the fabric",
"if the sample fabric would absorb one drop of water in less than one second",
"how long it would take the sample fabric to dry after it absorbed one drop of water"
] | 2 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade7 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Not supported with pagination yet | What information supports the conclusion that Shelley inherited this trait? | [
"Shelley and her mother both have short hair.",
"Shelley's parents were born with wavy hair. They passed down this trait to Shelley."
] | 1 | Read the description of a trait.
Shelley has wavy hair. | closed choice | grade6 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Select the one animal that has all of the bony fish traits listed above. | [
"Wels catfish have a bony skeleton and live in lakes, rivers, and coastal waters. Wels catfish eggs do not have shells for protection. Male catfish guard the eggs until they hatch.",
"Gray tree frogs hatch from eggs without shells. They live underwater when they are tadpoles. They move onto land when they become ... | 0 | Bony fish are a group of animals with similar traits. The following traits can be used to identify bony fish:
They have fins, not limbs.
They live underwater.
They have a skeleton made of bone.
They make eggs with no shells. 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.
Bony fish have the following traits:
They have fins, not limbs.
They live underwater.
They have a skeleton made of bone.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to... |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Emma and her sister posed for a photograph, but when the flash went off, Emma blinked.",
"Emma and her sister posed for a photograph, but when the flash went off, she blinked."
] | 1 | closed choice | grade7 | language science | writing-strategies | Pronouns and antecedents | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The second answer choice contains a vague pronoun reference. The pronoun she could refer to Emma or her sister.
The first answer choice shows a possible correction for the vague pronoun reference. She has been replaced with Emma.
Emma and her sister posed for a photograph, but when the flash went off, Emma blinked. | |
Which is this organism's scientific name? | [
"sulfur-crested cockatoo",
"Cacatua galerita"
] | 1 | This organism is a sulfur-crested cockatoo. It is also called Cacatua galerita. | 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,... | Cacatua galerita is written in italics. The first word is capitalized, and the second word is not.
So, Cacatua galerita is the scientific name. | |
Not supported with pagination yet | Select the item that doesn't belong. | [
"ruler",
"clock",
"timer",
"watch"
] | 0 | closed choice | grade3 | language science | vocabulary | Categories | Select the words that don't belong | Ruler doesn't belong.
Timer, watch, and clock all name items you use to keep track of time. | ||
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 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 north pole of the other magnet. Like poles repel. So, these magnets will repel each other. | |
Based on the map, why did Dred Scott believe he should be free after living at these two places? | [
"Fort Armstrong was in a free state and Fort Snelling was in a free territory.",
"Fort Armstrong was in a slave territory and Fort Snelling was in a free state.",
"Fort Snelling and Fort Armstrong were both in free states.",
"Fort Snelling and Fort Armstrong were both in slave states."
] | 0 | During the late 1850s, Americans were divided over the issue of slavery. On occasion, the Supreme Court ruled on important cases that involved slavery. These court decisions shaped many Americans' opinions about slavery.
In 1857, the Supreme Court made an important decision about slavery in the case Dred Scott v. Sandf... | closed choice | grade7 | social science | us-history | The Antebellum period | Causes of the Civil War: Dred Scott to secession | Look at the map.
Fort Armstrong was in Illinois. Fort Snelling was in Wisconsin. Illinois was a free state and Wisconsin was a free territory. So, Fort Armstrong was in a free state and Fort Snelling was in a free territory. In free states and territories, slavery was not allowed.
Because Dred Scott had lived in those ... | ||
What can Avery and Kiera trade to each get what they want? | [
"Kiera can trade her almonds for Avery's tomatoes.",
"Avery can trade her tomatoes for Kiera's sandwich.",
"Kiera can trade her broccoli for Avery's oranges.",
"Avery can trade her tomatoes for Kiera's broccoli."
] | 3 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Avery and Kiera open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Avery wanted br... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Avery wanted broccoli in her lunch and Kiera was hoping for tomatoes. Look at the labeled part of the images.
Avery has tomatoes. Kiera has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
I can't believe you'd hire Mike Campbell to watch your dog! Did you know that his friend adopted a dog but then took it back to the shelter after just one week? | [
"guilt by association: a negative association intended to discredit someone or something",
"hasty generalization: a very broad claim based on very little evidence"
] | 0 | closed choice | grade6 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that Mike must be an irresponsible dog owner, because his friend was an irresponsible dog owner. However, even though Mike's friend was irresponsible, that doesn't necessarily mean that Mike is also irresponsible. This illustrates a type of logical fallacy known as guilt by association. | |
Is slate a mineral or a rock? | [
"mineral",
"rock"
] | 1 | Slate has the following properties:
solid
not a pure substance
no fixed crystal structure
not made by organisms
found in nature
dark-colored | closed choice | grade7 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Minerals are the building blocks of rocks. A rock can be made of one or more minerals.
Minerals and rocks have the following properties:
Property | Mineral | Rock
It is a solid. | Yes | Yes
It is formed in nature. | Yes | Yes
It is not made by organisms. | Yes | Yes
It is a pure substance. | Yes | No
It has a fixed cry... | The properties of slate match the properties of a rock. So, slate is a rock. | |
Not supported with pagination yet | What do these two changes have in common?
peeling a banana
tying a shoelace | [
"Both are only physical changes.",
"Both are caused by cooling.",
"Both are caused by heating.",
"Both are chemical changes."
] | 0 | 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.
Peeling a banana is a physical change. The peel is not covering the rest of the fruit anymore. But both the peel and the banana are still made of the same type of matter as before.
Tying a shoelace is a physical change. The shoelace gets a different shape. But it is still made of the sa... | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 1 | 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 north pole of the other magnet. Poles that are the same repel. So, these magnets will repel each other. | |
Not supported with pagination yet | How long is a parking space? | [
"20 inches",
"20 miles",
"20 yards",
"20 feet"
] | 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 parking space is 20 feet.
20 inches is too short. 20 yards and 20 miles are too long. |
Which property do these three objects have in common? | [
"blue",
"sour",
"stretchy"
] | 1 | Select the best answer. | closed choice | grade3 | 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. | Look at each object.
For each object, decide if it has that property.
A lemon has a sour taste. All three objects are sour.
A stretchy object gets longer when you pull on it. None of the objects are stretchy.
Blue is a color.
This color is blue. None of the objects are blue.
The property that all three objects have in ... | |
Not supported with pagination yet | Is a purse a good or a service? | [
"a service",
"a good"
] | 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 a purse is a good or a service, ask these questions:
Is a purse something you can touch? Yes.
Is a purse a job you might pay someone else to do? No.
So, a purse is a good. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
We can't let Governor Merritt impose regulations on gas-guzzling cars! Soon enough, he'll start trying to ban all cars! | [
"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",
"ad hominem: an attack against the person making the argument, rather than the argument itself"
] | 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 banning cars with low fuel efficiency would lead to a ban on all cars. However, this argument offers only an extreme outcome and ignores other possible outcomes. For instance, the law may be limited to cars with low fuel efficiency. This illustrates a type of logical fallacy known as the slippery s... | |
Not supported with pagination yet | Which cover letter is more formal? | [
"Now that I've got my degree, I can't wait to try and get a job on your team.",
"Now that I have earned my degree, I am eager to apply for a position on your team."
] | 1 | 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 cover letter is more formal. It uses more elevated language (eager to apply, position). The other cover letter uses contractions and conversational language (I've got, can't wait, get a job). | |
Not supported with pagination yet | Which type of sentence is this?
As Dalton sat down on the rickety old chair, it abruptly collapsed beneath him. | [
"simple",
"compound",
"compound-complex",
"complex"
] | 3 | 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 complex. It is made up of an independent clause and a dependent clause. The dependent clause begins with the subordinating conjunction as.
As Dalton sat down on the rickety old chair, it abruptly collapsed beneath him. | |
Select the organism in the same species as the axolotl. | [
"Ambystoma mexicanum",
"Lissotriton helveticus",
"Taricha granulosa"
] | 0 | This organism is an axolotl. Its scientific name is Ambystoma mexicanum. | closed choice | grade4 | natural science | biology | Scientific names | Use scientific names to classify organisms | Scientists use scientific names to identify organisms. Scientific names are made of two words.
The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits.
A genus is made up of one or more species. A species is a group of very similar organisms... | An axolotl's scientific name is Ambystoma mexicanum.
Lissotriton helveticus does not have the same scientific name as an axolotl. So, Ambystoma mexicanum and Lissotriton helveticus are not in the same species.
Ambystoma mexicanum has the same scientific name as an axolotl. So, these organisms are in the same species.
T... | |
Not supported with pagination yet | Look at the word. Does it have a closed syllable or an open syllable?
beg | [
"closed",
"open"
] | 0 | closed choice | grade2 | language science | word-study | Short and long vowels | Is the syllable open or closed? | Words are made up of syllables. Two kinds of syllables are closed and open.
A closed syllable has one vowel and ends with a consonant. It usually has a short vowel sound.
desk: short e
kit / ten: short i / short e
An open syllable ends with one vowel. It usually has a long vowel sound.
go: long o
he / ro: long e / long... | The word beg ends with a consonant and has a short vowel sound. So, it has a closed syllable. | |
What can Allie and Sandeep trade to each get what they want? | [
"Sandeep can trade his almonds for Allie's tomatoes.",
"Allie can trade her tomatoes for Sandeep's sandwich.",
"Allie can trade her tomatoes for Sandeep's broccoli.",
"Sandeep can trade his broccoli for Allie's oranges."
] | 2 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Allie and Sandeep open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Allie wanted ... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Allie wanted broccoli in her lunch and Sandeep was hoping for tomatoes. Look at the labeled part of the images.
Allie has tomatoes. Sandeep has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
Which specific humidity level was measured within the outlined area shown? | [
"15 grams of water vapor per kilogram of air",
"11 grams of water vapor per kilogram of air",
"5 grams of water vapor per kilogram of air"
] | 2 | The map below shows humidity in the lower atmosphere on February 21, 2017. The map shows specific humidity, a measurement of the amount of water vapor in the air. The outlined area shows an air mass that influenced weather in Africa on that day.
Look at the map. Then, answer the question below.
Data source: United Stat... | closed choice | grade7 | natural science | earth-science | Weather and climate | Identify and compare air masses | To study air masses, scientists can use maps that show conditions within Earth's atmosphere. For example, the map below uses color to show specific humidity, a measurement of the amount of water vapor in the air.
The map's legend tells you the specific humidity level that each color represents. Colors on the left in th... | Look at the colors shown within the outlined area. Then, use the legend to determine which specific humidity levels those colors represent.
The legend tells you that this air mass contained air with specific humidity levels between 0 and 6 grams of water vapor per kilogram of air.
5 grams of water vapor per kilogram of... | |
Not supported with pagination yet | What is the volume of a bowl of soup? | [
"280 liters",
"280 milliliters"
] | 1 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of a bowl of soup is 280 milliliters.
280 liters is too much. |
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."
] | 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 | grade7 | 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.
Distance affects the magnitude of the magnetic force. When there is a smaller distance between magnets, the magni... | |
Select the amphibian below. | [
"brown tree frog",
"Tasmanian devil",
"bison",
"tiger shark"
] | 0 | Amphibians have moist skin and begin their lives in water.
Amphibians are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
A cane toad is an example of an amphibian. | closed choice | grade4 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. Scientists sort animals into each group based on traits they have in common. This process is called classification.
Classification helps scientists learn about how animals live. Classification also helps scientists compare similar animals. | A bison is a mammal. It has fur and feeds its young milk.
Male bison have horns. They can use their horns to defend themselves.
A tiger shark is a fish. It lives underwater. It has fins, not limbs.
Tiger sharks are nocturnal. This means that they are active mostly at night.
A brown tree frog is an amphibian. It has moi... | |
What is the probability that a pea plant produced by this cross will be heterozygous for the stem height gene? | [
"2/4",
"1/4",
"3/4",
"0/4",
"4/4"
] | 0 | In a group of pea plants, some individuals have a tall stem and others have a short stem. In this group, the gene for the stem height trait has two alleles. The allele for a tall stem (H) is dominant over the allele for a short stem (h).
This Punnett square shows a cross between two pea plants. | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate probabilities of offspring types | Offspring genotypes: homozygous or heterozygous?
How do you determine whether an organism is homozygous or heterozygous for a gene? Look at the alleles in the organism's genotype for that gene.
An organism with two identical alleles for a gene is homozygous for that gene.
If both alleles are dominant, the organism is h... | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
All of my friends are coming to my birthday party. If Miranda doesn't, she might as well tell me that she doesn't like me. | [
"false dichotomy: an argument that presents only two choices when more options exist",
"red herring: the use of a completely unrelated topic or idea"
] | 0 | closed choice | grade6 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that if Miranda doesn't go to the speaker's birthday party, it means that she hates the speaker. However, there may be a number of reasons why Miranda wouldn't go to the party. This illustrates a type of logical fallacy known as a false dichotomy. | |
Which of these continents does the prime meridian intersect? | [
"South America",
"Asia",
"Antarctica"
] | 2 | closed choice | grade4 | social science | geography | Maps | Use lines of latitude and longitude | Lines of latitude and lines of longitude are imaginary lines drawn on some globes and maps. They can help you find places on globes and maps.
Lines of latitude show how far north or south a place is. We use units called degrees to describe how far a place is from the equator. The equator is the line located at 0° latit... | The prime meridian is the line at 0° longitude. It intersects Antarctica. It does not intersect South America or Asia. | ||
Which bird's beak is also adapted to catch insects? | [
"European nightjar",
"military macaw"
] | 0 | Black-capped chickadees eat insects and other small invertebrates. The shape of the 's beak is adapted to catch insects.
Figure: black-capped chickadee. | closed choice | grade3 | 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 black-capped chickadee.
A short, thin beak is light and easy to move. The black-capped chickadee uses its beak to grab fast-moving insects while flying.
Now look at each bird. Figure out which bird has a similar adaptation.
The European nightjar has a short, thin beak. Its beak is adapted to ... | |
Not supported with pagination yet | Does this passage describe the weather or the climate?
Hassan noticed that the wind was blowing in from the ocean this afternoon. | [
"climate",
"weather"
] | 1 | closed choice | grade5 | 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.
Hassan noticed that the wind was blowing in from the ocean this afternoon.
This passage tells you about the wind direction where Hassan was this afternoon. It describes the atmosphere at a certain place and time. So, this passage describes the weather. | |
Not supported with pagination yet | Does the sentence use a simile or a metaphor?
Mrs. Boyd is kind, and her heart is gold. | [
"simile",
"metaphor"
] | 1 | closed choice | grade4 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | Mrs. Boyd is kind, and her heart is gold.
The words heart and gold are compared without the word like or as. So, the sentence uses a metaphor. | |
Which term matches the picture? | [
"logistic growth",
"exponential growth"
] | 1 | Read the text.
A population's growth is affected by factors in the environment, such as space, available food, predators, and disease. When a population inhabits an environment with abundant resources and few limiting factors, it can experience exponential growth. Under these conditions, a population grows increasingly... | closed choice | grade8 | language science | word-study | Domain-specific vocabulary | Determine the meaning of domain-specific words with pictures | When a population is in an environment with abundant resources it may experience exponential growth. Plotted on an x-y axis, exponential growth resembles a J-shaped curve. | ||
Not supported with pagination yet | Which word does not rhyme? | [
"stork",
"cork",
"rock"
] | 2 | closed choice | grade2 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the same sound.
The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings.
The words tip and meet don't rhyme. They end with different sounds. | The words stork and cork rhyme. They both end with the ork sound.
The word rock does not rhyme. It ends with a different sound. | |
Not supported with pagination yet | What does the allusion in this text suggest?
With the gutters clogged and water rising in the streets, Tanvi, who was watching the storm from her window, commented, "We're going to need an ark to get out of here." | [
"Tanvi plans to build a boat.",
"Tanvi thinks the storm will cause major flooding."
] | 1 | closed choice | grade8 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An allusion is a brief reference to something or someone well known, often from history or literature.
"I'd better get home before I turn into a pumpkin!" Lila remarked. | The text uses an allusion, a brief reference to someone or something well known.
The allusion to an ark suggests that Tanvi thinks the storm will cause major flooding. In the Bible, it rains for forty days and forty nights; Noah, his family, and animals of every species survive the great flood in an ark that he builds. | |
Which of the following could John's test show? | [
"how well the weather station would work when it was windy",
"if the weather station would work when the temperature was 50°C"
] | 1 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade6 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Which of these states is farthest west? | [
"Maine",
"Delaware",
"Vermont",
"Rhode Island"
] | 1 | closed choice | grade3 | 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 west arrow is pointing. Delaware is farthest west. | ||
Not supported with pagination yet | Which graduation announcement is more formal? | [
"Shawn Morton is graduating, and we couldn't be more proud!",
"We are proud to announce the graduation of Shawn Morton."
] | 1 | closed choice | grade9 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The second graduation announcement is more formal. It uses more ceremonious language (proud to announce). The other graduation announcement uses more conversational language (we couldn't be more proud!). | |
Which of these cities is marked on the map? | [
"Boston",
"New York City",
"Baltimore",
"Pittsburgh"
] | 2 | closed choice | grade4 | social science | geography | Cities | Cities of the Northeast | The city is Baltimore, Maryland. Boston, New York City, and Pittsburgh are marked with gray circles on the map below. | |||
What is the capital of New Hampshire? | [
"Helena",
"Concord",
"Nashville",
"Trenton"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Concord is the capital of New Hampshire. | |||
In this food chain, the sea squirt is a primary consumer. Why? | [
"It eats a producer.",
"It makes its own food.",
"It eats a tertiary consumer."
] | 0 | This diagram shows a food chain from Chesapeake Bay, an estuary ecosystem in Maryland and Virginia. | closed choice | grade5 | natural science | biology | Ecosystems | Identify roles in food chains | Every organism needs food to stay alive. Organisms get their food in different ways. A food chain shows how organisms in an ecosystem get their food.
The food chain begins with the producer. A producer can change matter that is not food into food. Many producers use carbon dioxide, water, and sunlight to make sugar. Ca... | In this food chain, the sea squirt is a primary consumer because it eats a producer. The producer in this food chain is the seagrass. | |
Not supported with pagination yet | Which text uses the word ironic in its traditional sense? | [
"Last winter, Craig took a vacation to Florida to escape Boston's cold, snowy weather. In an ironic twist, he just missed a few of his college friends, who had been in Florida the previous week.",
"Last winter, Craig took a vacation to Florida to escape Boston's cold, snowy weather. In an ironic twist, a rare sno... | 1 | 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 second text uses ironic in its traditional sense: contrary to what was intended, often in an amusing way. It's ironic because Craig tried to get away from the snow but found himself in a snowstorm regardless.
Last winter, Craig took a vacation to Florida to escape Boston's cold, snowy weather. In an ironic twist, a... |
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.