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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. | |
Which of these states is farthest west? | [
"Maine",
"West Virginia",
"Alabama",
"Vermont"
] | 2 | closed choice | grade5 | social science | geography | Maps | 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. Alabama is farthest west. | ||
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 0 | Figure: Umbria.
Large, fluffy clouds filled the sky on a warm summer day in Umbria, Italy.
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 | 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.
Large, fluffy clouds filled the sky on a warm summer day in Umbria, Italy.
This passage tells you about the cloud cover over Umbria on a specific day. This passage describes the atmosphere at a certain place and time. So, this passage describes the weather. | |
Not supported with pagination yet | Which is a complex sentence? | [
"Mr. Roy peeled the tangerine and divided it into sections.",
"While humans may appear less hairy than many animals, we actually have about the same number of hairs on our bodies as chimpanzees."
] | 1 | closed choice | grade5 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple, compound, or complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. It cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alone. It is independent.
aft... | The first sentence is the complex sentence. It is made up of an independent clause and a dependent clause. The dependent clause begins with the subordinating conjunction while.
While humans may appear less hairy than many animals, we actually have about the same number of hairs on our bodies as chimpanzees. | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
hid - hundred | [
"horrid",
"having"
] | 0 | closed choice | grade5 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since horrid is between the guide words hid - hundred, it would be found on that page. | |
Not supported with pagination yet | Does this passage describe the weather or the climate?
The temperature in Fargo, North Dakota, is over 70°F right now. | [
"weather",
"climate"
] | 0 | 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 | grade3 | 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.
The temperature in Fargo, North Dakota, is over 70°F right now.
This passage tells you about the temperature in Fargo right now. It describes the atmosphere at a certain place and time. So, this passage describes the weather. |
What type of rock is soapstone? | [
"sedimentary",
"igneous",
"metamorphic"
] | 2 | Soapstone is made mostly of the mineral talc. The rock can also have small amounts of other minerals such as chlorite.
Soapstone can form when a rock is changed by high temperature and pressure. When rocks such as dunite and dolostone are buried deep inside the earth, they can turn into soapstone. | closed choice | grade7 | natural science | earth-science | Rocks and minerals | Classify rocks as igneous, sedimentary, or metamorphic | Igneous rock is formed when melted rock cools and hardens into solid rock. This type of change can occur at Earth's surface or below it.
Sedimentary rock is formed when layers of sediment are pressed together, or compacted, to make rock. This type of change occurs below Earth's surface.
Metamorphic rock is formed when ... | Soapstone is a metamorphic rock. Like other metamorphic rocks, it forms when a rock is changed by high temperature and pressure.
Heat and pressure can change the type and arrangement of minerals in a rock. This change forms a new rock with different properties. Soapstone can form when sedimentary and igneous rocks are ... | |
Not supported with pagination yet | What does the idiom in this text suggest?
Mr. and Mrs. Rudd usually see eye to eye, but not when it comes to the controversial mayoral race. | [
"Mr. and Mrs. Rudd look each other in the eye.",
"Mr. and Mrs. Rudd usually agree."
] | 1 | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An idiom is an expression that cannot be understood literally. Its meaning must be learned.
The assignment was a piece of cake. | The text uses an idiom, an expression that cannot be understood literally.
The idiom see eye to eye suggests that Mr. and Mrs. Rudd usually agree. When you see eye to eye with someone, you share their opinion. | |
Not supported with pagination yet | Which sentence states a fact? | [
"Our five-cent coin is called a nickel, but it is not made out of nickel.",
"In today's economy, a nickel is almost worthless."
] | 0 | closed choice | grade5 | social science | civics | Social studies skills | Identify facts and opinions | A fact is something that can be proved to be true. Facts can be proved by observing, measuring, or studying information.
The flag of the United States has 13 stripes.
This is a fact. It can be proved by looking at the flag and counting the number of stripes.
An opinion is something that a person believes, thinks, or fe... | The first sentence states a fact.
Our five-cent coin is called a nickel, but it is not made out of nickel.
It can be proved by looking up information about U.S. coins.
The second sentence states an opinion.
In today's economy, a nickel is almost worthless.
Almost worthless shows what a person believes, thinks, or feels... | |
Which of the following could Meg and Tammy's test show? | [
"if the concrete from each batch took the same amount of time to dry",
"if a new batch of concrete was firm enough to use"
] | 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... | ||
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"If Lila's skirt doesn't match the blouse, she will have to exchange the blouse for another item.",
"If Lila's skirt doesn't match the blouse, she will have to exchange it for another item."
] | 1 | closed choice | grade11 | language science | writing-strategies | Pronouns | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The second answer choice contains a vague pronoun reference. The pronoun it could refer to Lila's skirt or the blouse.
The first answer choice shows a possible correction for the vague pronoun reference. It has been replaced with the blouse.
If Lila's skirt doesn't match the blouse, she will have to exchange the blouse... | |
Not supported with pagination yet | Which change best matches the sentence?
The farms in an area get covered by water after heavy rain. | [
"erosion",
"earthquake",
"flood"
] | 2 | closed choice | grade3 | natural science | earth-science | Earth events | Classify changes to Earth's surface I | |||
Is the following statement about our solar system true or false?
Jupiter's volume is more than 1,000 times as great as Earth's volume. | [
"false",
"true"
] | 1 | Use the data to answer the question below. | true-or false | grade6 | 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. | To determine if this statement is true, calculate the value of 1,000 times the volume of Earth.
Then compare the result to the volume of Jupiter. Jupiter's volume is 1,431,280 billion km^3, which is more than 1,090,000 billion km^3. So, Jupiter's volume is more than 1,000 times as great as Earth's volume. | |
Not supported with pagination yet | Which figure of speech is used in this text?
Christina's Bistro used to be a great place to go for a delicious and carefully prepared dinner, but nobody goes there anymore: it's too crowded. | [
"paradox",
"euphemism"
] | 0 | closed choice | grade10 | 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 a paradox, a statement that might at first appear to be contradictory, but that may in fact contain some truth.
Nobody goes there anymore: it's too crowded at first appears to be contradictory, because if no one goes to the restaurant, then the restaurant should be empty, not crowded. However, it contains... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"After Annie scolded Amy for missing the deadline, she felt awful.",
"Annie felt awful after she scolded Amy for missing the deadline."
] | 0 | closed choice | grade10 | language science | writing-strategies | Pronouns | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun she could refer to Annie or Amy.
After Annie scolded Amy for missing the deadline, she felt awful.
The second answer choice shows a possible correction for the vague pronoun reference. The text has been rewritten so that the meaning is clear.
Annie... | |
Not supported with pagination yet | Which object has the least thermal energy? | [
"a 9-kilogram block of steel at a temperature of 198°C",
"a 9-kilogram block of steel at a temperature of 0°C",
"a 9-kilogram block of steel at a temperature of 195°C"
] | 1 | The objects are identical except for their temperatures. | closed choice | grade4 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter slow down, the temperature goes down. The matter now has both ... | All three blocks of steel have the same mass but different temperatures. Since the 0°C block is the coldest, it has the least thermal energy. |
Not supported with pagination yet | Which logical fallacy is used in the text?
The Mannings argue we should eat our pizza with a fork and knife because it's less messy, but what do they know? Have you seen their house? It's a disaster! | [
"false dichotomy: an argument that presents only two choices when more options exist",
"circular reasoning: an argument that supports a claim with the claim itself",
"ad hominem: an attack against the person making the argument, rather than the argument itself"
] | 2 | closed choice | grade9 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that the Mannings' opinion on eating pizza is invalid because their house is messy. This is a personal attack that isn't relevant to whether the argument is valid. This illustrates a type of logical fallacy known as ad hominem. | |
Not supported with pagination yet | Which of these is part of the judicial branch? | [
"the president",
"the Department of Defense",
"the Supreme Court",
"Congress"
] | 2 | closed choice | grade8 | social science | civics | Government | The Judicial Branch | |||
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 2.",
"The magnitude of the magnetic force is smaller 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 and shapes. | 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,... | 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 ... | |
Not supported with pagination yet | Using only these supplies, which question can Diane investigate with an experiment? | [
"Does the basketball bounce higher on a lawn or on a dirt path?",
"Do larger basketballs bounce higher than smaller basketballs on a brick patio?",
"Does the basketball bounce higher on gravel or on grass?"
] | 2 | Diane gets a basketball for her birthday and dribbles it around her neighborhood. She notices that sometimes the ball bounces higher than other times. She wonders what factors affect how high her ball bounces. So, she decides to design an experiment. She has the following supplies available:
one basketball
access to a ... | 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... | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 1 | Two magnets are placed as shown. | closed choice | grade5 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on other magnets without touching them. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes are called magnetic forces.
Magnetic forces are strongest at the magnets' poles, or ends. Every magnet has two poles: a north pole (N) and a south pole (... | 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. | |
Not supported with pagination yet | Complete the sentence.
Erosion caused by wind is a (). | [
"physical change",
"chemical change"
] | 0 | closed choice | grade5 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form new molecules. The types of molecules in matter before an... | Erosion caused by wind is a physical change. The wind carries away tiny pieces of rock. But the pieces of rock do not become a different type of matter. | |
What is the capital of Maine? | [
"Burlington",
"Atlanta",
"Augusta",
"Portland"
] | 2 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Northeast | Augusta is the capital of Maine. | |||
What is the name of the colony shown? | [
"Connecticut",
"Vermont",
"Illinois",
"New Hampshire"
] | 3 | closed choice | grade7 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is New Hampshire.
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. | |||
Which of these cities is marked on the map? | [
"Houston",
"Boston",
"Washington, D.C.",
"Detroit"
] | 1 | closed choice | grade5 | social science | geography | Cities | Major U.S. cities | The city is Boston, Massachusetts. Washington, D.C., Detroit, and Houston are marked with gray circles on the map below. | |||
What is the capital of Tennessee? | [
"Baton Rouge",
"Nashville",
"Columbia",
"Richmond"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Southeast | Nashville is the capital of Tennessee. | |||
Which country is highlighted? | [
"Barbados",
"Saint Lucia",
"Saint Kitts and Nevis",
"Saint Vincent and the Grenadines"
] | 0 | closed choice | grade8 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Barbados. | |||
Not supported with pagination yet | Select the one substance that is not a rock. | [
"Basalt is not made by living things. It is a solid.",
"Quartzite is not a pure substance. It is formed in nature.",
"Soap is made by humans. It is a solid."
] | 2 | 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.
Soap is made by humans. But rocks are not made by living things.
So, soap is not a rock.
Basalt is a rock.
Quartzite is a rock. | |
Which animal's mouth is also adapted to get insects out of burrows? | [
"Steller sea lion",
"aardvark"
] | 1 | Giant anteaters eat insects such as ants and termites. These insects often live in holes called burrows. The anteater's mouth is adapted to get insects out of burrows.
Figure: giant anteater. | 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 an animal's mouth is one example of an adaptation. Animals' mouths can be adapted in different ways. For example, a large mouth with sharp teeth might help an animal tear ... | Look at the picture of the giant anteater.
A tube-shaped snout helps the giant anteater reach into a burrow. A long, sticky tongue helps it catch the insects.
Now look at each animal. Figure out which animal has a similar adaptation.
The aardvark has a tube-shaped mouth and a long, sticky tongue. Its mouth is adapted t... | |
Not supported with pagination yet | What does the verbal irony in this text suggest?
While waiting for her search results, Marcy exclaimed, "My Internet connection is as speedy as a snail!" | [
"The Internet connection was very slow.",
"Marcy was patiently waiting for an Internet connection."
] | 0 | closed choice | grade8 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Verbal irony involves saying one thing but implying something very different. People often use verbal irony when they are being sarcastic.
Olivia seems thrilled that her car keeps breaking dow... | The text uses verbal irony, which involves saying one thing but implying something very different.
As speedy as a snail suggests that the Internet connection was very slow. A snail is not speedy, and neither was Marcy's Internet connection. | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
vein - volunteer | [
"vinegar",
"vase"
] | 0 | closed choice | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since vinegar is between the guide words vein - volunteer, it would be found on that page. | |
Not supported with pagination yet | Would you find the word spoon on a dictionary page with the following guide words?
satisfy - stripe | [
"no",
"yes"
] | 1 | yes or no | grade4 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since spoon is between the guide words satisfy - stripe, it would be found on that page. | |
Not supported with pagination yet | Which figure of speech is used in this text?
Judge Taylor looked daggers at Atticus, as if daring him to speak.
—Harper Lee, To Kill a Mockingbird | [
"verbal irony",
"idiom"
] | 1 | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses an idiom, an expression that cannot be understood literally.
Looked daggers means looked at with an angry, menacing expression. | |
What is the capital of Alaska? | [
"Honolulu",
"Juneau",
"Santa Fe",
"Fairbanks"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the West | Juneau is the capital of Alaska. | |||
Not supported with pagination yet | Is the following trait inherited or acquired?
Caden plays golf. | [
"acquired",
"inherited"
] | 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... | People are not born knowing how to play golf. Instead, some people learn how to play golf. Playing the sport takes practice. So, playing golf is an acquired trait. | |
Not supported with pagination yet | Would you find the word go on a dictionary page with the following guide words?
given - guest | [
"yes",
"no"
] | 0 | yes or no | grade2 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since go is between the guide words given - guest, it would be found on that page. | |
Not supported with pagination yet | Which sentence is more formal? | [
"Emilia didn't enter student politics until her junior year.",
"Emilia did not enter student politics until her junior year."
] | 1 | closed choice | grade5 | language science | writing-strategies | Author's purpose and tone | Which sentence is more formal? | Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing:
Type | Examples
slang | cool, awesome
idioms | knock your socks off
conversational language | gonna, kinda, yeah
abbreviated language | ASAP, FYI
overly simple or imprecise lan... | The first sentence is less formal. You can tell because it uses a contraction (didn't).
The second sentence does not use a contraction, so it is more formal. | |
Not supported with pagination yet | Select the place that doesn't belong. | [
"shop",
"meadow",
"store",
"market"
] | 1 | closed choice | grade3 | language science | vocabulary | Categories | Select the words that don't belong | Meadow doesn't belong.
Store, shop, and market all name places that sell things. | ||
What is the capital of Washington? | [
"Helena",
"Olympia",
"Spokane",
"Saint Paul"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the West | Olympia is the capital of Washington. | |||
Not supported with pagination yet | What kind of sentence is this?
Larry campaigned tirelessly in support of his neighbor's bid for elective office. | [
"declarative",
"interrogative",
"exclamatory"
] | 0 | 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. | |
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 A",
"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 | grade8 | 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 ... | |
Look at the picture. Which word best describes how this toast smells? | [
"burnt",
"lemony",
"fruity"
] | 0 | closed choice | grade2 | language science | writing-strategies | Descriptive details | Choose the sensory details that match the picture | When you write, you can use sensory details. These sense words help your reader understand what something looks, sounds, tastes, smells, or feels like.
Sensory Category | Description
Sight | These are words like bright, clean, and purple. A reader can imagine looking at these details.
Sound | These are words like hissi... | Look at the picture.
The word burnt describes how this toast smells. You can tell by looking at the toast's dark color.
Fruity and lemony can also describe how something smells. But they do not describe this toast. | ||
Which country is highlighted? | [
"Saint Kitts and Nevis",
"Trinidad and Tobago",
"Saint Vincent and the Grenadines",
"Grenada"
] | 3 | closed choice | grade7 | social science | geography | The Americas: geography | Identify and select countries of the Caribbean | This country is Grenada. | |||
Which country is highlighted? | [
"Samoa",
"Kiribati",
"the Marshall Islands",
"Nauru"
] | 1 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Kiribati. | |||
Not supported with pagination yet | Which correctly shows the title of a song? | [
"\"hold Me near\"",
"\"Hold Me Near\""
] | 1 | closed choice | grade4 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between.
The correct title is "Hold Me Near." | |
Not supported with pagination yet | The city of Salem has been one of the world's biggest makers of cough drops for many years. But last month, Salem's cough drop factories were destroyed by floods. What will probably happen to the overall supply of cough drops? | [
"The supply will probably go down.",
"The supply will probably go up."
] | 0 | closed choice | grade8 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | Floods destroyed the cough drop factories in Salem. The number of producers of cough drops went down. So, the supply of cough drops will probably go down. | |
Not supported with pagination yet | The city of Burlington has been one of the world's biggest makers of cough drops for many years. But last month, Burlington's cough drop factories were destroyed by floods. What will probably happen to the overall supply of cough drops? | [
"The supply will probably go down.",
"The supply will probably go up."
] | 0 | closed choice | grade6 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | Floods destroyed the cough drop factories in Burlington. The number of producers of cough drops went down. So, the supply of cough drops will probably go down. | |
Select the organism in the same species as the red-billed gull. | [
"Cyanocitta stelleri",
"Polysticta stelleri",
"Chroicocephalus scopulinus"
] | 2 | This organism is a red-billed gull. Its scientific name is Chroicocephalus scopulinus. | closed choice | grade5 | 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... | A red-billed gull's scientific name is Chroicocephalus scopulinus.
Polysticta stelleri does not have the same scientific name as a red-billed gull. So, Chroicocephalus scopulinus and Polysticta stelleri are not in the same species.
Cyanocitta stelleri does not have the same scientific name as a red-billed gull. So, Chr... | |
Which of the following could Judith's test show? | [
"how much the drone weighed with the blade guards",
"if adding the blade guards made the drone fly poorly",
"if the blade guards would break in a crash"
] | 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 | 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... | ||
Which continent is highlighted? | [
"Australia",
"Antarctica",
"Africa"
] | 1 | closed choice | grade2 | social science | geography | Geography | Identify oceans and continents | A continent is one of the seven largest areas of land on earth. | This continent is Antarctica. | ||
What is the capital of Arizona? | [
"Tucson",
"Salt Lake City",
"Phoenix",
"Carson City"
] | 2 | closed choice | grade4 | social science | geography | State capitals | Identify the 50 state capitals | Phoenix is the capital of Arizona. | |||
What is the probability that a guppy produced by this cross will be heterozygous for the body color gene? | [
"0/4",
"4/4",
"2/4",
"1/4",
"3/4"
] | 2 | In a group of guppies, some individuals have a gray body and others have a golden body. In this group, the gene for the body color trait has two alleles. The allele for a gray body (B) is dominant over the allele for a golden body (b).
This Punnett square shows a cross between two guppies. | 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 | Would you find the word mole on a dictionary page with the following guide words?
mail - mind | [
"no",
"yes"
] | 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 mole is not between the guide words mail - mind, it would not be found on that page. | |
Not supported with pagination yet | How long is a raisin? | [
"10 meters",
"10 centimeters",
"10 kilometers",
"10 millimeters"
] | 3 | 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 raisin is 10 millimeters.
10 centimeters, 10 meters, and 10 kilometers are all too long. |
What is the expected ratio of offspring with a black coat to offspring with a spotted coat? Choose the most likely ratio. | [
"4:0",
"0:4",
"2:2",
"1:3",
"3:1"
] | 0 | In a group of jaguars, some individuals have a black coat and others have a spotted coat. In this group, the gene for the coat pattern trait has two alleles. The allele for a spotted coat (a) is recessive to the allele for a black coat (A).
This Punnett square shows a cross between two jaguars. | 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 a black coat or a spotted coat, consider whether each phenotype is the dominant or recessive allele's version of the coat pattern trait. The question tells you that the a allele, which is for a spotted coat, is recessive to the A allele, which i... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Animals don't shampoo their fur, so it can't be good for you to shampoo your hair. | [
"appeal to nature: the assumption that natural things are always good",
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"guilt by association: a negative association intended to discredit someone or something"
] | 0 | closed choice | grade11 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that shampoo is not OK because animals don't use it. However, something isn't necessarily bad simply because it's not something animals use. This illustrates a type of logical fallacy known as an appeal to nature. | |
Which of these organisms contains matter that was once part of the persimmon tree? | [
"silver maple",
"black racer"
] | 1 | Below is a food web from Shenandoah National Park, a forest ecosystem in Virginia.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | grade8 | natural science | biology | Ecological interactions | Interpret food webs II | A food web is a model.
A food web shows where organisms in an ecosystem get their food. Models can make things in nature easier to understand because models can represent complex things in a simpler way. If a food web showed every organism in an ecosystem, the food web would be hard to understand. So, each food web sho... | Use the arrows to follow how matter moves through this food web. For each answer choice, try to find a path of arrows that starts from the persimmon tree.There are three paths matter can take from the persimmon tree to the bobcat: persimmon tree->pine vole->gray fox->bobcat. persimmon tree->swallowtail caterpillar->gra... | |
Is the following statement about our solar system true or false?
The largest planet is made mainly of ice. | [
"false",
"true"
] | 0 | Use the data to answer the question below. | true-or false | grade8 | 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 volume of a planet is a very large quantity. Large quantities such as this are often written in scientific notation.
For ex... | To decide which planet is the largest, look at the volumes shown in the table and compare the exponents. Jupiter's volume has an exponent of 15, which is the largest out of all the planets.
Jupiter is made mainly of gas. So, the largest planet is made mainly of gas. | |
Not supported with pagination yet | Suppose Juan decides to bake coffee cake muffins. Which result would be a cost? | [
"Juan will get to eat more muffins. He can make more coffee cake muffins than apple muffins.",
"Juan will give up the chance to eat apple muffins. He thinks apple muffins are tastier than coffee cake muffins."
] | 1 | Juan is deciding whether to bake apple muffins or coffee cake muffins. He wants the muffins to be tasty. But he also wants to make a lot of muffins. | closed choice | grade5 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Juan wants or needs:
Juan will give up the chance to eat apple muffins. He thinks apple muffins are tastier than coffee cake muffins. |
What is the capital of Kansas? | [
"Kansas City",
"Topeka",
"Lansing",
"Saint Paul"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Topeka is the capital of Kansas. | |||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnetic force is stronger in Pair 1.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger 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. | closed choice | grade4 | natural science | physics | Magnets | Compare strengths 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 stronger the magnetic force between two magnets, the more strongly the magnets attract or repel each other.
You c... | Distance affects the strength of the magnetic force. When magnets are closer together, the magnetic force between them is stronger.
The magnets in Pair 1 are closer together than the magnets in Pair 2. So, the magnetic force is stronger in Pair 1 than in Pair 2. | |
Not supported with pagination yet | Which important period in American history began in 1929? | [
"World War II",
"the Civil War",
"the Great Depression",
"the civil rights movement"
] | 2 | closed choice | grade4 | social science | us-history | 20th century American history | The New Deal | The Great Depression began in 1929 when the stock market crashed.
A depression is a long period of time when the economy does much worse than usual. During a depression, businesses close, people lose their jobs, and life becomes harder. The Great Depression lasted for more than a decade. | ||
Not supported with pagination yet | What do these two changes have in common?
a puddle freezing into ice on a cold night
water freezing into ice | [
"Both are caused by heating.",
"Both are caused by cooling.",
"Both are chemical changes."
] | 1 | closed choice | grade8 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
A puddle freezing into ice on a cold night is a change of state. So, it is a physical change. Liquid water freezes and becomes solid, but it is still made of water. A different type of matter is not formed.
Water freezing into ice is a change of state. So, it is a physical change. The w... | |
What is the capital of North Dakota? | [
"Boston",
"Bismarck",
"Fargo",
"Huntington"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Bismarck is the capital of North Dakota. | |||
Not supported with pagination yet | Which figure of speech is used in this text?
Although Robert hasn't worked in years, his mother prefers to say that he's between jobs right now. | [
"oxymoron",
"euphemism"
] | 1 | closed choice | grade12 | 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.
Between jobs is an indirect way of saying unemployed. | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample B",
"neither; the samples have the same temperature",
"sample A"
] | 0 | 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 the two samples has the same mass, but the particles in sample B 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 kinetic energy, sampl... | |
Not supported with pagination yet | Which is a complete sentence? | [
"She slides into first base.",
"The people march through the streets, they want to be heard."
] | 0 | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence, a fragment, or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A sentence fragment is a group of words that does not express a complete thought. It is usually missing a subject or a verb.
Knows the answer.
This is a sentence fragment. It is missing a subj... | She slides into first base is a complete sentence. The subject is she, and the verb is slides. | |
Not supported with pagination yet | Compare the motion of two geese. Which goose was moving at a higher speed? | [
"a goose that moved 625miles in 10hours",
"a goose that moved 550miles in 10hours"
] | 0 | closed choice | grade2 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects movi... | Look at the distance each goose moved and the time it took to move that distance.
One goose moved 625 miles in 10 hours.
The other goose moved 550 miles in 10 hours.
Notice that each goose spent the same amount of time moving. The goose that moved 625 miles moved a farther distance in that time. So, that goose must hav... | |
Which country is highlighted? | [
"Tuvalu",
"Kiribati",
"Samoa",
"Tonga"
] | 0 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Tuvalu. | |||
Which of these states is farthest south? | [
"Idaho",
"Vermont",
"Nebraska",
"Michigan"
] | 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. Nebraska is farthest south. | ||
Not supported with pagination yet | Which sentence states a fact? | [
"The Wright brothers successfully flew a plane for the first time in 1903.",
"The airplane was the most exciting invention of the 20th century."
] | 0 | closed choice | grade8 | social science | civics | Social studies skills | Identify facts and opinions | A fact is something that can be proved true by research or observation.
George Washington became president of the United States in 1789.
This statement is a fact. It can be proved by researching what year George Washington was inaugurated president.
An opinion is something that a person believes, thinks, or feels. An o... | The second sentence states a fact.
The Wright brothers successfully flew a plane for the first time in 1903.
It can be proved by reading a biography of the Wright brothers.
The first sentence states an opinion.
The airplane was the most exciting invention of the 20 th century.
Most exciting shows what a person believes... | |
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 smaller in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller 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 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 ... | |
Not supported with pagination yet | Using only these supplies, which question can Clayton investigate with an experiment? | [
"When hung in the laundry room, do black cloth towels or white cloth towels dry more quickly?",
"Do cloth towels dry faster if they are hung in the laundry room or in the backyard?",
"Does a small cloth towel or a large cloth towel dry faster when hung in the backyard?"
] | 1 | After Clayton cleans up a spill, he hangs a wet cloth towel in the laundry room. Two hours later, he notices that the towel has partially dried. He wonders what factors affect how cloth dries. So, he decides to design an experiment. He has the following supplies available:
two identical white cloth towels
water
a cloth... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
Select the chemical formula for this molecule. | [
"I2Cl2",
"ICl",
"I2Cl",
"ICl2"
] | 1 | closed choice | grade7 | natural science | chemistry | Atoms and molecules | Identify chemical formulas for ball-and-stick models | Every substance around you is made up of atoms. Atoms can link together to form molecules. The links between atoms in a molecule are called chemical bonds. Different molecules are made up of different chemical elements, or types of atoms, bonded together.
Scientists use both ball-and-stick models and chemical formulas ... | I is the symbol for iodine. According to the legend, iodine atoms are shown in dark purple. Cl is the symbol for chlorine. According to the legend, chlorine atoms are shown in green. This ball-and-stick model shows a molecule with one iodine atom and one chlorine atom. The chemical formula will contain the symbols I an... | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
Senator Lowery announced today that she plans to cut funding to early childhood education programs. The last thing we need is a government official who hates children! | [
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against",
"circular reasoning: an argument that supports a claim with the claim itself"
] | 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 Senator Lowery hates children, because she wants to cut education funding. However, the fact that Senator Lowery wants to cut education funding doesn't necessarily suggest that she hates children. This illustrates a type of logical fallacy known as a straw man. | |
Not supported with pagination yet | How long does it take to drink a small glass of water? | [
"60 seconds",
"60 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 drink a small glass of water is 60 seconds.
60 minutes is too slow. |
Which property matches this object? | [
"fuzzy",
"slippery"
] | 1 | Select the better answer. | closed choice | grade3 | 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. Properties can also tell you how an object will behave when something happens to it. | Look at the object.
Think about each property.
A slippery object is hard to hold onto or stand on. The jello is slippery.
A fuzzy object is covered in soft hair. The jello is not fuzzy. | |
Not supported with pagination yet | What information supports the conclusion that Hugo inherited this trait? | [
"Hugo's biological father wears contacts in his hazel eyes.",
"Hugo wears glasses and so do his sisters.",
"Hugo's friend also has hazel eyes."
] | 0 | Read the description of a trait.
Hugo has hazel eyes. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Which of the following could Laura and Isabella's test show? | [
"if the concrete from each batch took the same amount of time to dry",
"if a new batch of concrete was firm enough to use"
] | 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... | ||
What is this trapdoor spider's scientific name? | [
"Aptostichus chavezi",
"Aptostichus asmodaeus"
] | 0 | This species of trapdoor spider was discovered in California in 2012. This trapdoor spider's scientific name was chosen in honor of Cesar Chavez. Cesar Chavez was a labor and civil rights leader who lived in California. | closed choice | grade4 | natural science | biology | Scientific names | Origins of scientific names | When a scientist identifies a new organism, he or she chooses its scientific name.
Sometimes, an organism is named after the place where it was first found. Other times, an organism is named after the scientist who first identified it. Or, the scientific name might describe the organism's physical traits.
Many of the w... | This organism's scientific name refers to Cesar Chavez.
The word chavezi refers to Cesar Chavez. So, this trapdoor spider's scientific name is Aptostichus chavezi. | |
Which animal is also adapted for flight? | [
"manatee",
"flamingo"
] | 1 | Great blue herons fly long distances each year to find food. They have wings instead of arms. Herons are adapted for flight.
Figure: great blue heron. | closed choice | grade3 | 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.
Arms, legs, flippers, and wings are different types of limbs. The type of limbs an animal has is an example of an adaptation. Animals' limbs can be adapted in different ways. For examp... | Look at the picture of the great blue heron.
The great blue heron has large, powerful wings. It is adapted for flight. Long, powerful wings help the great blue heron travel long distances by air.
Now look at each animal. Figure out which animal has a similar adaptation.
The flamingo has large, powerful wings. It is ada... | |
Not supported with pagination yet | Complete the sentence.
Milk going sour is a (). | [
"chemical change",
"physical change"
] | 0 | closed choice | grade3 | natural science | chemistry | Physical and chemical change | Identify 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.
Burning a piece of paper is a chemical change. When paper gets hot enough, it reacts with oxygen in the air and burn... | Milk going sour is a chemical change. The type of matter in the milk slowly changes. The new matter that is formed gives the milk its sour taste. | |
Which country is highlighted? | [
"the Federated States of Micronesia",
"Fiji",
"Tonga",
"Tuvalu"
] | 3 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Tuvalu. | |||
Which state is highlighted? | [
"Virginia",
"Kentucky",
"Georgia",
"West Virginia"
] | 2 | closed choice | grade5 | social science | geography | States | Identify states of the Southeast | This state is Georgia. | |||
What is the capital of Vermont? | [
"Montpelier",
"Denver",
"Annapolis",
"Burlington"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Montpelier is the capital of Vermont. | |||
Not supported with pagination yet | Based on this information, what is Clyde's phenotype for the Tobiano patterning trait? | [
"having Tobiano patterning",
"not having Tobiano patterning"
] | 1 | This passage describes the Tobiano patterning trait in horses:
In a group of horses, some individuals have Tobiano patterning and others do not. In this group, the gene for the Tobiano patterning trait has two alleles. The allele for having Tobiano patterning (B) is dominant over the allele for not having Tobiano patt... | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: dominant and recessive | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | Clyde's genotype for the Tobiano patterning gene is bb. Clyde's genotype of bb has only b alleles. The b allele is for not having Tobiano patterning. So, Clyde's phenotype for the Tobiano patterning trait must be not having Tobiano patterning.
To check this answer, consider whether Clyde's alleles are dominant or reces... |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
dairy - dog | [
"distance",
"drop"
] | 0 | closed choice | grade3 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since distance is between the guide words dairy - dog, it would be found on that page. | |
Not supported with pagination yet | How long does it take to make a sandwich? | [
"3 seconds",
"3 minutes"
] | 1 | 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 make a sandwich is 3 minutes.
3 seconds is too fast. |
Not supported with pagination yet | Which sentence uses a simile? | [
"Keith's eyes are bright green emeralds.",
"Keith's eyes are as green as emeralds."
] | 1 | closed choice | grade5 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | This sentence uses a simile:
Keith's eyes are as green as emeralds.
The words eyes and emeralds are compared using the word as.
This sentence uses a metaphor:
Keith's eyes are bright green emeralds.
The words eyes and emeralds are compared without the word like or as. | |
Which property do these two objects have in common? | [
"breakable",
"soft"
] | 1 | 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. Neither of the objects are breakable.
A soft object changes shape when you squeeze it. Both objects are soft.
The property that both objects have in common is soft. | |
Identify the question that Martha's experiment can best answer. | [
"Do slugs weigh more after eating tomato leaves or broccoli leaves?",
"Do slugs eat more from tomato leaves or broccoli leaves?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Martha cut tomato and broccoli plant leaves into one-inch squares. In each of 12 containers, she placed six leaf squares: three tomato-leaf squares and three broccoli-leaf squares. She put one slug from her garden into ... | 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... | ||
Which of the following could Lee's test show? | [
"which side of the roof got more sun over one day",
"how many solar panels could fit on each side of the roof",
"the amount of sunlight the roof would get throughout the year"
] | 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 | grade8 | 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 | How long is a walk across Central Park in New York City? | [
"2 feet",
"2 miles",
"2 inches"
] | 1 | Select the best estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
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 walk across Central Park in New York City is 2 miles.
2 inches and 2 feet are both too short. |
Not supported with pagination yet | Which tense does the sentence use?
I will play the fiddle for my family. | [
"future tense",
"past tense",
"present tense"
] | 0 | closed choice | grade3 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in future tense. You can tell because it uses will before the main verb, play. The verb tells you about something that is going to happen. | |
Not supported with pagination yet | What information supports the conclusion that Martin inherited this trait? | [
"Martin likes to wear a blue sweater to match his blue eyes.",
"Martin's mother has blue eyes. She passed this trait down to Martin."
] | 1 | Read the description of a trait.
Martin has blue eyes. | 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 | Select the temperature shown by this thermometer. | [
"30°C",
"15°C",
"50°C"
] | 0 | closed choice | grade3 | natural science | units-and-measurement | Weather and climate | Read a thermometer | A thermometer is a tool that measures temperature. Temperature can be measured in degrees. The symbol for degrees is °.
Some thermometers measure temperature in degrees Celsius (°C). Celsius is one scale used to measure temperature.
This is a tube thermometer. It has a tube filled with a red liquid.
There is a Celsius ... | Find the top of the red liquid.
Now look at the scale to the right. The top of the red liquid lines up with 30. So, the temperature is 30°C. | |
Look at the models of molecules below. Select the elementary substance. | [
"methanol",
"silane",
"ozone"
] | 2 | closed choice | grade6 | natural science | chemistry | Atoms and molecules | Identify 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 ... | |||
Which area on the map shows Japan? | [
"A",
"D",
"B",
"C"
] | 1 | Japan is an archipelago [ar-keh-PEL-ah-go], or group of islands, in East Asia. There are four main islands that make up the Japanese archipelago. These islands are east of China, which is the largest country in East Asia today. Look at the map. Then answer the question below. | closed choice | grade6 | social science | world-history | Medieval Asia | Medieval Japan | Look back at the map. Find the compass rose, which shows the four main directions. The information in the question gives clues to determining where Japan is located on the map:
Japan is made up of four main islands.
Japan is east of China, which is the largest country in East Asia.
Based on this information, the highli... | ||
Not supported with pagination yet | Which correctly shows the title of a book? | [
"green Eggs and ham",
"Green Eggs and Ham"
] | 1 | 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 and is not important, so it should not be capitalized.
The correct title is Green Eggs and Ham. | |
Not supported with pagination yet | What does the verbal irony in this text suggest?
While waiting for her search results, Lily exclaimed, "My Internet connection is as speedy as a snail!" | [
"The Internet connection was very slow.",
"The Internet connection was very fast."
] | 0 | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Verbal irony involves saying one thing but implying something very different. People often use verbal irony when they are being sarcastic.
Olivia seems thrilled that her car keeps breaking dow... | The text uses verbal irony, which involves saying one thing but implying something very different.
As speedy as a snail suggests that the Internet connection was very slow. A snail is not speedy, and neither was Lily's Internet connection. |
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.