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Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 0 | 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 south pole of one magnet is closest to the south pole of the other magnet. Like poles repel. So, these magnets will repel each other. | |
Not supported with pagination yet | Select the animal. | [
"Ostriches run and walk.",
"Maple trees have star-shaped leaves."
] | 0 | closed choice | grade2 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | An ostrich is an animal. It runs and walks.
Ostriches are the largest living birds. They cannot fly, but they can run very fast.
A maple tree is a plant. It has star-shaped leaves.
Maple trees have green leaves in the spring and summer. In the fall, their leaves turn yellow, red, or brown. | |
Not supported with pagination yet | Which phrase has a more negative connotation? | [
"feeling stuffed",
"feeling full"
] | 0 | closed choice | grade4 | language science | vocabulary | Shades of meaning | Positive and negative connotation | Connotation is the feeling or idea that goes along with a word or phrase. Some words are close in meaning but have different connotations.
For example, think about the words eager and impatient. They both mean wanting something to happen, but they have different connotations.
Eager has a positive connotation. It is a n... | Feeling stuffed has a more negative connotation. If you feel stuffed, you are uncomfortably full. | |
What is the capital of Colorado? | [
"Juneau",
"Little Rock",
"Denver",
"Boulder"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify the 50 state capitals | Denver is the capital of Colorado. | |||
Does this passage describe the weather or the climate? | [
"climate",
"weather"
] | 0 | Figure: Baja California.
Baja California is a state in Mexico. It receives between 12 and 24 inches of rain each year.
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 | grade5 | 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.
Baja California is a state in Mexico. It receives between 12 and 24 inches of rain each year.
The underlined part of the passage tells you about the usual pattern of precipitation in Baja California. This passage does not describe what the weather is like on a particular day. So, this passag... | |
Which material is these crayons made of? | [
"rubber",
"wax"
] | 1 | closed choice | grade2 | natural science | physics | Materials | Identify multiple materials in objects | A material is a type of matter. Wood, glass, metal, and plastic are common materials.
Some objects are made of just one material.
Most nails are made of metal.
Other objects are made of more than one material.
This hammer is made of metal and wood. | Look at the picture of the crayons.
The crayons are made of two different materials. The label is made of paper. The rest of the crayon is made of wax.
Crayons are made by melting the wax and pouring it into special molds. | ||
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
catch - clench | [
"chatter",
"crowd"
] | 0 | closed choice | grade4 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since chatter is between the guide words catch - clench, it would be found on that page. | |
Not supported with pagination yet | Which sentence is more formal? | [
"The company mostly just wants to serve its locals.",
"The company's main goal is to serve the local community."
] | 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 second sentence is less formal. You can tell because it uses conversational language (locals).
The first sentence uses formal language in place of the conversational language, so it is more formal overall. | |
Which state is highlighted? | [
"Maine",
"Massachusetts",
"Delaware",
"New York"
] | 3 | closed choice | grade3 | social science | geography | States | Identify states of the Northeast | This state is New York. | |||
Is the following statement about our solar system true or false?
The volume of Mercury is less than one-tenth of the volume of Earth. | [
"true",
"false"
] | 0 | Use the data to answer the question below. | true-or false | grade7 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | To determine if this statement is true, calculate the value of one-tenth the volume of Earth.
Then compare the result to the volume of Mercury. The volume of Mercury is 60 billion km^3, which is less than 109 billion km^3. So, the volume of Mercury is less than one-tenth of the volume of Earth. | |
What is the capital of Minnesota? | [
"Madison",
"Saint Paul",
"Minneapolis",
"Columbus"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Midwest | Saint Paul is the capital of Minnesota. | |||
Not supported with pagination yet | Compare the motion of three geese. Which goose was moving at the lowest speed? | [
"a goose that moved 575kilometers south in 10hours",
"a goose that moved 920kilometers north in 10hours",
"a goose that moved 1,230kilometers south in 10hours"
] | 0 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the kilometer.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects mov... | Look at the distance each goose moved and the time it took to move that distance. The direction each goose moved does not affect its speed.
Notice that each goose moved for 10 hours. The goose that moved 575 kilometers moved the shortest distance in that time. So, that goose must have moved at the lowest speed. | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The wheelchair is pushing on Quincy.",
"The wheelchair is pulling on Quincy."
] | 0 | 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:
Quincy is pushing on his friend's wheelchair. | closed choice | grade6 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Quincy is pushing on the wheelchair. So, Newton's third law tells you that the wheelchair is pushing on Quincy. |
Which statement is true about the average monthly precipitation in Charlotte? | [
"Charlotte has a rainy season and a dry season.",
"Precipitation does not change much from month to month.",
"January is the month with the highest average precipitation."
] | 1 | Use the graph to answer the question below. | closed choice | grade3 | natural science | earth-science | Weather and climate | Use climate data to make predictions | Scientists record climate data from places around the world. Precipitation, or rain and snow, is one type of climate data.
A bar graph can be used to show the average amount of precipitation each month. Months with taller bars have more precipitation on average. | To describe the average precipitation trends in Charlotte, look at the graph.
Choice "Jan" is incorrect.
Choice "January is the month with the highest average precipitation." is incorrect.
Several other months have a slightly higher average precipitation than January.
Choice "Charlotte has a rainy season and a dry seas... | |
Which property matches this object? | [
"bouncy",
"breakable"
] | 0 | Select the better answer. | closed choice | grade2 | natural science | physics | Materials | Identify properties of an object | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. | Look at the object.
Think about each property.
A bouncy object will bounce back from the floor if you drop it. The tennis ball is bouncy.
A breakable object will break into pieces if you drop it. The tennis ball is not breakable. | |
Not supported with pagination yet | What kind of sentence is this?
Robert has never tried chocolate ice cream before, which I find astounding! | [
"interrogative",
"exclamatory",
"declarative"
] | 1 | closed choice | grade8 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement, and it always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An interrogative sentence is a question, and it always ends with a question mark.
Do you have any plans for the upcoming... | The sentence tells about something, but it shows surprise and ends with an exclamation point. It is an exclamatory sentence. | |
Which air temperature was measured within the outlined area shown? | [
"19°C",
"2°C",
"27°C"
] | 0 | The map below shows air temperatures in the lower atmosphere on February 21, 2017. 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 States National Oceanic and Atmospheric Administration/Earth System Research Laborat... | closed choice | grade6 | 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 air temperatures.
The map's legend tells you the temperature that each color represents. Colors on the left in the legend represent lower temperatures than colors on the right. For ... | Look at the colors shown within the outlined area. Then, use the legend to determine which air temperatures those colors represent.
The legend tells you that this air mass contained air with temperatures between 5°C and 20°C.
19°C is within this range.
2°C and 27°C are outside of this range. | |
Which bird's beak is also adapted to catch fish? | [
"great blue heron",
"indigo bunting"
] | 0 | Common kingfishers live near wetlands, marshes, and lakes. They eat mostly fish. The shape of the 's beak is adapted to catch fish.
Figure: common kingfisher. | 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 common kingfisher.
The common kingfisher has a long, straight beak with a sharp tip. Its beak is adapted to catch fish. The common kingfisher can use its beak to grab the slippery body of a fish underwater. It can also catch a fish by stabbing it with its beak.
Now look at each bird. Figure o... | |
Not supported with pagination yet | Which type of sentence is this?
An avid reader, Pete attends weekly book club meetings, and he finishes several novels every month. | [
"compound-complex",
"simple",
"compound",
"complex"
] | 2 | closed choice | grade7 | language science | grammar | Phrases and clauses | Is the sentence simple, compound, complex, or compound-complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought that can stand alone as a sentence. A dependent clause (or subordinate clause) is not a complete thought and cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alon... | The sentence is compound. It is made up of two independent clauses joined by the coordinating conjunction and.
An avid reader, Pete attends weekly book club meetings, and he finishes several novels every month. | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Shelby is good at knitting scarves. | [
"inherited",
"acquired"
] | 1 | Hint: People who can knit had to learn how to do it. | closed choice | grade3 | natural science | biology | Heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | People are not born knowing how to knit. Instead, many people learn how to knit. Knitting well takes practice. So, knitting well is an acquired trait. |
Identify the question that Ezra's experiment can best answer. | [
"Do bananas develop more brown spots if they are kept in bags with holes compared to bags without holes?",
"Do bananas develop more brown spots when they are kept at room temperature compared to in a cold refrigerator?"
] | 0 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Ezra divided 40 evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without holes. He kept the bags at room temperature for three days. Then, Ezra open... | closed choice | grade8 | 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 | Which logical fallacy is used in the text?
Dillon, the company you work for just filed for bankruptcy! How can I trust you with our money? | [
"circular reasoning: an argument that supports a claim with the claim itself",
"guilt by association: a negative association intended to discredit someone or something"
] | 1 | 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 Dillon must be fiscally irresponsible, because he works for a company that went bankrupt. However, even though his company is perceived as fiscally irresponsible, that doesn't necessarily mean that Dillon is, too. This illustrates a type of logical fallacy known as guilt by association. | |
Not supported with pagination yet | What do these two changes have in common?
water freezing into ice
a rock heating up in a campfire | [
"Both are chemical changes.",
"Both are caused by cooling.",
"Both are only physical changes.",
"Both are caused by heating."
] | 2 | closed choice | grade4 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
Water freezing into ice is a change of state. So, it is a physical change. The water changes from solid to liquid. But the ice is still made of the same type of matter as the liquid water.
A rock heating up in a campfire is a physical change. The temperature of the rock goes up, but the... | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
sincere - sob | [
"sky",
"stub"
] | 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 sky is between the guide words sincere - sob, it would be found on that page. | |
Not supported with pagination yet | Last year, there were seven men's clothing stores on Main Street in Westminster. This year, there are only three. What probably happened to the overall supply of men's shirts in Westminster? | [
"The supply probably went down.",
"The supply probably went up."
] | 0 | closed choice | grade7 | social science | economics | Supply and demand | Understand overall supply and demand | Overall supply is the total amount of a good or service that producers make and sell. There are several things that can make overall supply go up or down. The table below shows how changes to these things might affect overall supply.
| Resources | Number of producers or suppliers | Expected change in demand
Supply goe... | When four men's clothing stores closed on Main Street, the number of suppliers went down. There were fewer stores selling men's shirts. So, the supply of men's shirts probably went down. | |
Not supported with pagination yet | Would you find the word muzzle on a dictionary page with the following guide words?
mar - moon | [
"no",
"yes"
] | 0 | yes or no | 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 muzzle is not between the guide words mar - moon, it would not be found on that page. | |
What is the probability that a human produced by this cross will be homozygous recessive for the xeroderma pigmentosum gene? | [
"3/4",
"2/4",
"4/4",
"0/4",
"1/4"
] | 1 | This passage describes the xeroderma pigmentosum trait in humans:
Xeroderma pigmentosum is a condition that causes skin to be easily damaged by sunlight. Humans with xeroderma pigmentosum avoid exposure to sunlight by wearing protective clothing, using sunscreen, and not going outside during the day.
In a group of huma... | 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 | What information supports the conclusion that Abdul inherited this trait? | [
"Abdul and his siblings all have naturally straight hair.",
"Abdul and his biological father have short hair.",
"Abdul's biological mother often wears her naturally brown hair in a bun."
] | 2 | Read the description of a trait.
Abdul has naturally brown hair. | closed choice | grade7 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Select the organism in the same genus as the Morelet's tree frog. | [
"Chroicocephalus novaehollandiae",
"Agalychnis spurrelli",
"Crocodylus moreletii"
] | 1 | This organism is a Morelet's tree frog. Its scientific name is Agalychnis moreletii. | 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 Morelet's tree frog's scientific name is Agalychnis moreletii. The first word of its scientific name is Agalychnis.
Crocodylus moreletii and Agalychnis moreletii are not in the same genus.
These organisms are not in the same genus, but part of their scientific names is the same. Crocodylus moreletii and Agalychnis mo... | |
Not supported with pagination yet | What information supports the conclusion that Harper acquired this trait? | [
"Harper's scar was caused by an accident. She cut her leg when she was climbing a tree.",
"Some scars fade more quickly than others."
] | 0 | Read the description of a trait.
Harper has a scar on her left leg. | 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 | Complete the sentence.
Compost rotting 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... | Compost forms from the remains of plants and animals, such as vegetable scraps and egg shells. Compost rotting is a chemical change. As the compost rots, it breaks down and turns into a different type of matter. | |
Not supported with pagination yet | What do these two changes have in common?
a crayon melting in the sun
mixing sand and water | [
"Both are chemical changes.",
"Both are caused by heating.",
"Both are only physical changes.",
"Both are caused by cooling."
] | 2 | closed choice | grade7 | natural science | chemistry | Chemical reactions | Compare physical and chemical changes | Matter is made of very small particles called atoms. Atoms can be linked together by chemical bonds. When two or more atoms link together, they form a molecule.
In a chemical change, the chemical bonds in the molecules break. The atoms then link together to form different molecules. The types of molecules in matter bef... | Step 1: Think about each change.
A crayon melting in the sun is a change of state. So, it is a physical change. The crayon changes state from solid to liquid. The crayon is still made of wax, even after it melts.
Mixing sand and water is a physical change. Adding water makes the sand wet. But both the sand and water ar... | |
Does this passage describe the weather or the climate? | [
"climate",
"weather"
] | 0 | Figure: Botswana.
Botswana has the largest population of elephants in Africa. Wet, cloudy conditions during December, January, and February fill the creeks and rivers where elephants often gather.
Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain pl... | 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.
Botswana has the largest population of elephants in Africa. Wet, cloudy conditions during December, January, and February fill the creeks and rivers where elephants often gather.
The underlined part of the passage tells you about the usual pattern of cloud cover in Botswana. This passage doe... | |
Select the amphibian below. | [
"sugar glider",
"tiger salamander",
"loon",
"sea otter"
] | 1 | 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.
An African bullfrog 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 loon is a bird. It has feathers, two wings, and a beak.
Loons usually live near lakes. They dive in the water to hunt for food.
A sea otter is a mammal. It has fur and feeds its young milk.
Sea otters have very thick fur. Their fur keeps them warm in cold water.
A tiger salamander is an amphibian. It has moist skin a... | |
Not supported with pagination yet | Is this a run-on sentence?
My favorite furniture company offers more than one hundred different fabrics to choose from you can order free fabric swatches to see what looks best with your decor. | [
"yes",
"no"
] | 0 | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify run-on sentences | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A run-on sentence is formed when two sentences are run together, joined by just a comma or by no punctuation at all. If only a comma is used, the run-on is called a comma s... | This is a run-on sentence. It is formed from two sentences run together, joined without punctuation.
My favorite furniture company offers more than one hundred different fabrics to choose from you can order free fabric swatches to see what looks best with your decor.
Here is one way to fix the run-on sentence:
My favor... | |
Not supported with pagination yet | What do these two changes have in common?
stapling an envelope shut
erosion caused by wind | [
"Both are chemical changes.",
"Both are only physical changes.",
"Both are caused by heating.",
"Both are caused by cooling."
] | 1 | closed choice | grade4 | natural science | chemistry | Physical and chemical change | Compare physical and chemical changes | Chemical changes and physical changes are two common ways matter can change.
In a chemical change, the type of matter changes. The types of matter before and after a chemical change are always different.
Some chemical changes are caused by heating or cooling. For example, burning a piece of paper is a chemical change c... | Step 1: Think about each change.
Stapling an envelope shut is a physical change. The envelope and the staple get new shapes. Both are still made of the same type of matter.
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 ma... | |
Identify the question that Emma's experiment can best answer. | [
"Does the amount of water in a glass affect whether eggs sink or float in the water?",
"Are eggs more likely to float in fresh water or salty water?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Emma poured four ounces of water into each of six glasses. Emma dissolved one tablespoon of salt in each of three glasses, and did not add salt to the other three. Then, Emma placed an egg in one glass and observed if t... | 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... | ||
Select the reptile below. | [
"bull shark",
"Chinese alligator"
] | 1 | Reptiles have scaly, waterproof skin. Most reptiles live on land. A box turtle is an example of a reptile. | closed choice | grade3 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A Chinese alligator is a reptile. It has scaly, waterproof skin.
Alligators live in and around water. They can live near ponds, rivers, marshes, and lakes.
A bull shark is a fish. It lives underwater. It has fins, not limbs.
Bull sharks can live in both fresh and salt water. They are found in rivers and in shallow part... | |
What can Troy and Johnny trade to each get what they want? | [
"Troy can trade his tomatoes for Johnny's broccoli.",
"Johnny can trade his almonds for Troy's tomatoes.",
"Johnny can trade his broccoli for Troy's oranges.",
"Troy can trade his tomatoes for Johnny's carrots."
] | 0 | 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.
Troy and Johnny open their lunch boxes in the school cafeteria. Neither Troy nor Johnny got everything that they wanted. The tabl... | closed choice | grade8 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Troy wants broccoli. Johnny wants tomatoes. They can trade tomatoes for broccoli to both get what they want. Trading other things would not help both people get more items they want. | ||
Which country is highlighted? | [
"Palau",
"Fiji",
"Tonga",
"Samoa"
] | 3 | closed choice | grade6 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Samoa. | |||
Not supported with pagination yet | Using only these supplies, which question can Alana investigate with an experiment? | [
"When placed in the sun, does a glass jar wrapped in a black cotton shirt heat up more than a glass jar wrapped in a white cotton shirt?",
"When placed in the sun, does a glass jar wrapped in cotton heat up more than a glass jar wrapped in wool?",
"When wrapped in a cotton shirt and placed in the sun, does a la... | 0 | Alana is outside with her friend on a sunny day. Alana is wearing a light-colored shirt, and she notices that she feels colder than her friend, who is wearing a dark shirt. She wonders what factors affect how fabric warms an object. So, she decides to design an experiment. She has the following supplies available:
a bl... | 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... | |
What is the capital of Alabama? | [
"Richmond",
"Montgomery",
"Charleston",
"Rapid City"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Montgomery is the capital of Alabama. | |||
Is aluminum foil a solid, a liquid, or a gas? | [
"a liquid",
"a solid",
"a gas"
] | 1 | closed choice | grade4 | natural science | physics | States of matter | Identify and sort 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... | Aluminum foil is a solid that can be folded or torn. But if you fold a piece of aluminum foil, it will still have a size and shape of its own. If you tear a piece of aluminum foil into smaller pieces, each piece will still have a size and shape of its own. | ||
In this food web, which organism contains matter that eventually moves to the parasol fungus? | [
"gray fox",
"persimmon tree"
] | 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 to the parasol fungus.There are four paths matter can take from the persimmon tree to the parasol fungus: persimmon tree->pine vole->parasol fungus. persimmon tree-> black bear->parasol fungus. persimmo... | |
Not supported with pagination yet | Which is a run-on sentence? | [
"The class chuckles at Ms. Soto's joke.",
"It is a hot day the breeze feels nice."
] | 1 | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A run-on sentence is made up of two sentences that are joined without end punctuation or with just a comma.
I knocked on the door it opened.
It started raining, we ran inside.
To fix a run-on ... | It is a hot day the breeze feels nice is a run-on sentence. It has two sentences that are joined without end punctuation: It is a hot day and The breeze feels nice. | |
Not supported with pagination yet | Use the evidence in the text to select the photosynthetic organism. | [
"Brown-throated sloths are mammals that live in the rainforests of Central and South America. These sloths eat young leaves from rainforest trees.",
"Kapok trees are found in tropical rainforests. The leaves of these trees use energy from sunlight to make food."
] | 1 | closed choice | grade5 | natural science | biology | Plants | Identify the photosynthetic organism | Organisms that carry out photosynthesis are called photosynthetic organisms. During photosynthesis, these organisms use light energy to turn water and carbon dioxide into sugars and oxygen.
Photosynthetic organisms also often have the following characteristics:
They are producers, which are organisms that make their ow... | This organism is photosynthetic:
The text tells you that kapok trees use energy from sunlight to make food. This is evidence that the kapok tree is a photosynthetic organism.
This organism is not photosynthetic:
The text does not provide evidence that the brown-throated sloth is photosynthetic. | |
Not supported with pagination yet | How long is a soccer field? | [
"375 feet",
"375 inches",
"375 yards"
] | 0 | Select the best estimate. | closed choice | grade4 | 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 soccer field is 375 feet.
375 inches is too short and 375 yards is too long. |
Which animal's feet are also adapted for swimming? | [
"giraffe",
"platypus"
] | 1 | Black-bellied whistling ducks live near lakes and streams in North America. They find most of their food in shallow water. The feet of the are adapted for swimming.
Figure: black-bellied whistling duck. | 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 black-bellied whistling duck.
The black-bellied whistling duck has webbed feet. Its feet are adapted for swimming. As it swims, the black-bellied whistling duck uses its webbed feet to push itself through water.
Now look at each animal. Figure out which animal has a similar adaptation.
The pl... | |
Not supported with pagination yet | What information supports the conclusion that Shivani acquired this trait? | [
"Shivani is most interested in American history.",
"Shivani learned history by reading."
] | 1 | Read the description of a trait.
Shivani knows a lot about history. | 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.... | |
Select the organism in the same species as the crystal jellyfish. | [
"Cyanea capillata",
"Aurelia aurita",
"Aequorea victoria"
] | 2 | This organism is a crystal jellyfish. Its scientific name is Aequorea victoria. | 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... | A crystal jellyfish's scientific name is Aequorea victoria.
Aurelia aurita does not have the same scientific name as a crystal jellyfish. So, Aequorea victoria and Aurelia aurita are not in the same species.
Aequorea victoria has the same scientific name as a crystal jellyfish. So, these organisms are in the same speci... | |
Not supported with pagination yet | How long is a hammer? | [
"9 yards",
"9 inches"
] | 1 | Select the better estimate. | closed choice | grade2 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that a pencil is 8 long. You might be thinking, 8 what? Is the pencil 8 inches long? 8 feet? 8 miles?
The number 8 on its own does not give you much information about the len... | The better estimate for the length of a hammer is 9 inches.
9 yards is too long. |
Which solution has a higher concentration of yellow particles? | [
"Solution A",
"neither; their concentrations are the same",
"Solution B"
] | 0 | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. | closed choice | grade8 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per mill... | |
What is the capital of Vermont? | [
"Trenton",
"Montpelier",
"Wilmington",
"Burlington"
] | 1 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Montpelier is the capital of Vermont. | |||
Not supported with pagination yet | How long is a tennis racket? | [
"27 inches",
"27 yards"
] | 0 | Select the better estimate. | closed choice | grade2 | natural science | units-and-measurement | Units and measurement | Choose customary units of distance | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that a pencil is 8 long. You might be thinking, 8 what? Is the pencil 8 inches long? 8 feet? 8 miles?
The number 8 on its own does not give you much information about the len... | The better estimate for the length of a tennis racket is 27 inches.
27 yards is too long. |
Not supported with pagination yet | Based on this information, what is Juniper's phenotype for the horns trait? | [
"not having horns",
"HH"
] | 0 | In a group of cows, some individuals have horns and others do not. In this group, the gene for the horns trait has two alleles. The allele H is for not having horns, and the allele h is for having horns.
Juniper, a cow from this group, does not have horns. Juniper has two alleles for not having horns. | closed choice | grade7 | 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. Juniper's observable version of the horns trait is not having horns. So, Juniper's phenotype for the horns trait is not having horns. |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
fashion - fleece | [
"frantic",
"fifth"
] | 1 | 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 fifth is between the guide words fashion - fleece, it would be found on that page. | |
Not supported with pagination yet | What is the mass of a fire truck? | [
"17 tons",
"17 pounds",
"17 ounces"
] | 0 | Select the best estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose customary units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using customary units, mass may be written with units of ounces, pounds, or ton... | The best estimate for the mass of a fire truck is 17 tons.
17 ounces and 17 pounds are both too light. |
Not supported with pagination yet | Which sentence states a fact? | [
"Brazil's flag is green with a yellow diamond and a blue circle.",
"The design of Brazil's flag reflects a lack of imagination."
] | 0 | closed choice | grade5 | language science | writing-strategies | Developing and supporting arguments | Distinguish facts from opinions | A fact is something that can be proved to be true.
The month of July has more days than the month of June.
This is a fact. It can be proved by looking at a calendar and counting the number of days in each month.
An opinion is something that a person believes, thinks, or feels. An opinion cannot be proved true.
July is ... | The second sentence states a fact.
Brazil's flag is green with a yellow diamond and a blue circle.
It can be proved by looking at a Brazilian flag.
The first sentence states an opinion.
The design of Brazil's flag reflects a lack of imagination.
Lack of imagination shows what a person believes, thinks, or feels. Anothe... | |
Which of the following could Aaron's test show? | [
"which design would have the least traffic noise in the concert area",
"if at least 20% of the park would be shaded by trees in each design",
"which design would have the greatest distance between the concert area and the road"
] | 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... | ||
Which better describes the Tallgrass Prairie National Preserve ecosystem? | [
"It has cool winters. It also has a medium amount of rain.",
"It has a small amount of rain. It also has dry, thin soil."
] | 0 | Figure: Tallgrass Prairie National Preserve.
Tallgrass Prairie National Preserve is a prairie grassland ecosystem in eastern Kansas. | 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 prairie grassland is a type of ecosystem. Prairie grasslands have the following features: hot summers and cool winters, a medium amount of rain, and soil that is rich in nutrients. So, Tallgrass Prairie National Preserve has cool winters. It also has a medium amount of rain. | |
What is the capital of Idaho? | [
"Tucson",
"Nampa",
"Salem",
"Boise"
] | 3 | closed choice | grade3 | social science | geography | State capitals | Identify the 50 state capitals | Boise is the capital of Idaho. | |||
Not supported with pagination yet | Using only these supplies, which question can Jonathan investigate with an experiment? | [
"Is the pet lizard more active when it is fed insects or lettuce?",
"Is the pet lizard more active when its tank is heated with one heating lamp or with two heating lamps?",
"Is the pet lizard more active when it is fed crickets or mealworms?"
] | 2 | Jonathan has a pet lizard. Jonathan notices that on some days, the lizard is active and runs around the tank. On other days, the lizard hardly moves at all. Jonathan wonders what factors affect how active his lizard is. So, he decides to design an experiment. He has the following supplies available:
one pet lizard
live... | closed choice | grade8 | 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... | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear grandma megan,",
"Dear Grandma Megan,"
] | 1 | closed choice | grade2 | language science | capitalization | Capitalization | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The second greeting is correct:
Its first word is capitalized, and it ends with a comma. Grandma Megan is capitalized because it is a proper noun. | |
Which term matches the picture? | [
"marsupial",
"monotreme"
] | 1 | Read the text.
Marsupials and monotremes represent two unique subgroups of mammals. Marsupials, like most mammals, give birth to live young. Unlike other mammals, however, many marsupials carry their young in a pouch. Well-known marsupials include kangaroos, koalas, and possums.
Monotremes, on the other hand, do not gi... | closed choice | grade6 | language science | vocabulary | Context clues | Determine the meaning of domain-specific words with pictures | An echidna is an example of a monotreme. | ||
Not supported with pagination yet | What information supports the conclusion that Julian acquired this trait? | [
"Julian likes to fly a kite with his younger brother.",
"Julian's neighbor taught him how to repair a kite.",
"Julian's friend taught him how to fly a kite."
] | 2 | Read the description of a trait.
Julian knows how to fly a kite. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Which tense does the sentence use?
Heather learns about her ancestors in the book. | [
"present tense",
"future tense",
"past tense"
] | 0 | closed choice | grade4 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, learns. The verb ends in -s and tells you about something that is true or happening now. | |
Not supported with pagination yet | Which word does not rhyme? | [
"cave",
"wave",
"dash"
] | 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 wave and cave rhyme. They both end with the ave sound.
The word dash does not rhyme. It ends with a different sound. | |
Which statement describes the Great Victoria Desert ecosystem? | [
"It has thick, moist soil.",
"It has only a few types of organisms.",
"It has a small amount of rain."
] | 2 | Figure: Great Victoria Desert.
The Great Victoria Desert is a hot desert ecosystem located in Western Australia and South Australia. It is the largest desert in Australia! The Great Victoria Desert is home to the rare great desert skink. To stay cool during the day, great desert skinks live in holes they dig in the gro... | closed choice | grade8 | 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 hot desert is a type of ecosystem. Hot deserts have the following features: a small amount of rain, dry, thin soil, and many different types of organisms. So, the following statement describes the Great Victoria Desert ecosystem: a small amount of rain, dry, thin soil, and many different types of organisms. It has a ... | |
Not supported with pagination yet | Select the elementary substance. | [
"bromomethane (CH3Br)",
"water (H2O)",
"diamond (C)"
] | 2 | closed choice | grade5 | natural science | chemistry | Atoms and molecules | Identify elementary substances and compounds using chemical formulas | Every substance around you is made of one or more chemical elements, or types of atoms. Substances that are made of only one chemical element are elementary substances. Substances that are made of two or more chemical elements bonded together are compounds.
Every chemical element is represented by its own symbol. For s... | Look at the chemical formula for each substance, and count the number of symbols in the formula. Then, decide if the substance is an elementary substance. The chemical formula for diamond contains one symbol: C for carbon. So, diamond is made of one chemical element. Substances that are made of one chemical element are... | |
Not supported with pagination yet | Which figure of speech is used in this text?
Although David hasn't worked in years, his mother prefers to say that he's between jobs right now. | [
"euphemism",
"oxymoron"
] | 0 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses 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. | |
Not supported with pagination yet | What information supports the conclusion that Mackenzie acquired this trait? | [
"Mackenzie's friends like to make chili with her.",
"When Mackenzie was young, her grandmother taught her how to cut chili peppers.",
"Mackenzie learned how to make chili from a recipe book."
] | 2 | Read the description of a trait.
Mackenzie knows how to make chili. | closed choice | grade7 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Select the living thing. | [
"cave",
"cobra",
"toy car",
"ferris wheel"
] | 1 | closed choice | grade4 | natural science | biology | Classification | Identify living and nonliving things | All living things are made up of cells. Plants, animals, and some fungi have many cells. Other living things are made up of just one cell.
All living things need food and water. Water helps living things break down food and remove waste. Food gives living things energy. They use energy from food to grow and change.
All... | A toy car is not a living thing.
If this toy car is wound up, it will roll forward. But toy cars do not have all of the traits of living things. They do not grow. They do not need food or water.
A cave is not a living thing.
A cave may have animals or plants living inside. But a cave does not have all the traits of a l... | |
What is the capital of Alabama? | [
"Baton Rouge",
"Birmingham",
"Fairbanks",
"Montgomery"
] | 3 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Montgomery is the capital of Alabama. | |||
What is the capital of Oklahoma? | [
"Oklahoma City",
"Austin",
"Charleston",
"Tulsa"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Oklahoma City is the capital of Oklahoma. | |||
Not supported with pagination yet | Which text uses the word terribly in its traditional sense? | [
"Josiah shivered terribly as he gazed at the snow-clad slope. After calming his nerves, he began his descent.",
"Josiah shivered as he gazed at the terribly steep, snowy slope. After calming his nerves, he began his descent."
] | 0 | closed choice | grade9 | language science | writing-strategies | Word usage and nuance | Explore words with new or contested usages | Words change in meaning when speakers begin using them in new ways. For example, the word peruse once only meant to examine in detail, but it's now also commonly used to mean to look through in a casual manner.
When a word changes in meaning, its correct usage is often debated. Although a newer sense of the word may be... | The first text uses terribly in its traditional sense: in a terrible manner.
Josiah shivered terribly as he gazed at the snow-clad slope. After calming his nerves, he began his descent.
The second text uses terribly in its nontraditional sense: extremely; very.
Josiah shivered as he gazed at the terribly steep, snowy s... | |
What is the name of the colony shown? | [
"Maryland",
"Pennsylvania",
"Florida",
"Connecticut"
] | 3 | closed choice | grade4 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is Connecticut. | |||
Which term matches the picture? | [
"ruminant",
"monogastric"
] | 0 | Read the text.
Humans, like members of many other mammalian species, are monogastrics, which means that they have a single-chambered stomach. Some other mammalian species, though, are ruminants, which means that their stomachs have four chambers instead of one. Ruminants are perhaps most well-known for how much chewing... | closed choice | grade8 | language science | word-study | Domain-specific vocabulary | Determine the meaning of domain-specific words with pictures | A ruminant is an animal with a four-chambered stomach. This special digestive system allows cows to digest the grass that they graze on. | ||
Which i in row A? | [
"the park",
"the library",
"the grocery store",
"the restaurant"
] | 2 | closed choice | grade2 | social science | geography | Geography | Use a letter-number grid | A grid is made up of lines of squares. They are organized in rows and columns. A grid can help you use a map.
A row is a line of squares that goes from side to side. Rows are marked with letters.
A column is a line of squares that goes up and down. Columns are marked with numbers. | The grocery store is in row A. | ||
Which animal is also adapted to be camouflaged in a sandy desert? | [
"thorny devil",
"leaf insect"
] | 0 | Horned vipers live in the deserts of Africa and the Middle East. The is adapted to be camouflaged in a sandy desert.
Figure: horned viper. | 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 horned viper.
The horned viper has sand-colored scales covering its body. It is adapted to be camouflaged in a sandy desert. The word camouflage means to blend in.
Now look at each animal. Figure out which animal has a similar adaptation.
The thorny devil has a yellow-and-brown body. It is ad... | |
Not supported with pagination yet | Which correctly shows the title of a TV show? | [
"Liv and Maddie",
"Liv and maddie"
] | 0 | closed choice | grade4 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between. The word and is not important, so it should not be capitalized.
The correct title is Liv and Maddie. | |
Not supported with pagination yet | Which tense does the sentence use?
I tell Shelley my opinions about her music. | [
"past tense",
"present tense",
"future tense"
] | 1 | closed choice | grade4 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in present tense. You can tell because it uses a present-tense verb, tell. The verb tells you about something that is true or happening now. | |
What is the capital of Texas? | [
"Richmond",
"Houston",
"Dallas",
"Austin"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Austin is the capital of Texas. | |||
Which of the following could Michael's test show? | [
"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",
"how much athletes would sweat in the fabric"
] | 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... | ||
Not supported with pagination yet | Complete the sentence.
Baking an apple pie is a (). | [
"chemical change",
"physical change"
] | 0 | closed choice | grade2 | natural science | chemistry | Physical and chemical change | Identify physical and chemical changes | Chemical changes and physical changes are two ways matter can change.
In a chemical change, the type of matter changes.
Burning a piece of paper is a chemical change. The paper changes into ash and smoke.
In a physical change, the type of matter stays the same.
Cutting a piece of paper is a physical change. The cut pie... | Baking an apple pie is a chemical change. The type of matter in the pie changes. The apples become soft, and the crust turns brown. | |
Not supported with pagination yet | Which phrase has a more negative connotation? | [
"a box crammed with documents",
"a box filled with documents"
] | 0 | closed choice | grade6 | language science | vocabulary | Shades of meaning | Positive and negative connotation | Connotation is the feeling or idea that goes along with a word or phrase. Some words are close in meaning but have different connotations.
For example, think about the words eager and impatient. They both mean wanting something to happen, but they have different connotations.
Eager has a positive connotation. It is a n... | A box crammed with documents has a more negative connotation. Crammed and filled both denote being full. However, crammed suggests something has been overfilled or filled in a hasty, disorderly way. | |
Not supported with pagination yet | Using only these supplies, which question can Janet investigate with an experiment? | [
"When placed in the sun, will eight ounces of water in a glass jar or eight ounces of water in a plastic cup get warmer?",
"When placed in the sun, will eight ounces of water in a closed jar or eight ounces of water in an open jar get warmer?",
"Will eight ounces of carbonated water or eight ounces of tap water... | 1 | Janet leaves a glass jar of cold tea outside in full sunlight. When she goes to get it, she notices that the tea is warm. She wonders what factors affect how warm a liquid gets from sitting in the sunlight. So, she decides to design an experiment. She has the following supplies available:
two identical glass jars
two j... | 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... | |
Not supported with pagination yet | Based on this information, what is Peaches's phenotype for the leg color trait? | [
"white legs",
"yellow legs"
] | 1 | In a group of chickens, some individuals have white legs and others have yellow legs. In this group, the gene for the leg color trait has two alleles. The allele for white legs (L) is dominant over the allele for yellow legs (l).
Peaches is a chicken from this group. Peaches has the homozygous genotype ll for the leg c... | closed choice | grade7 | natural science | biology | Genes to traits | Genetics vocabulary: dominant and recessive | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | Peaches's genotype for the leg color gene is ll. Peaches's genotype of ll has only l alleles. The l allele is for yellow legs. So, Peaches's phenotype for the leg color trait must be yellow legs.
To check this answer, consider whether Peaches's alleles are dominant or recessive. The allele for white legs (L) is dominan... |
Which of these states is farthest south? | [
"Colorado",
"Iowa",
"Washington",
"North Dakota"
] | 0 | 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. Colorado is farthest south. | ||
Which bird's beak is also adapted to crack hard seeds? | [
"bronzy sunbird",
"hawfinch"
] | 1 | Northern cardinals eat small, hard seeds. The shape of the 's beak is adapted to crack open small, hard seeds.
Figure: northern cardinal. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of a bird's beak is one example of an adaptation. Birds' beaks can be adapted in different ways. For example, a sharp hooked beak might help a bird tear through meat easily. ... | Look at the picture of the northern cardinal.
The northern cardinal has a short, thick beak. Its beak is adapted to crack hard seeds. The northern cardinal uses its short, thick beak to press down on a seed and crack open its hard shell.
Now look at each bird. Figure out which bird has a similar adaptation.
The hawfinc... | |
Not supported with pagination yet | What is the mass of an apple? | [
"80 kilograms",
"80 grams"
] | 1 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using metric units, mass may be written with units of grams or kilograms.
There... | The better estimate for the mass of an apple is 80 grams.
80 kilograms is too heavy. |
Which property do these two objects have in common? | [
"smooth",
"rough"
] | 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 smooth object is not scratchy or rough. Neither of the objects are smooth.
A rough object feels scratchy when you touch it. Both objects are rough.
The property that both objects have in common is rough. | |
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"
] | 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... | The particles in both samples have the same average speed, but each particle in sample A has more mass than each particle in sample B. So, the particles in sample A have a higher average kinetic energy than the particles in sample B.
Because the particles in sample A have the higher average kinetic energy, sample A mus... | |
Not supported with pagination yet | Select the plant. | [
"Penguins walk and swim.",
"Humans eat plants and animals.",
"Chili peppers have green leaves.",
"Manta rays swim underwater."
] | 2 | closed choice | grade3 | natural science | biology | Classification | Identify plants and animals | Plants and animals are living things. Living things are called organisms.
Plants come in many shapes and sizes. Most plants grow in the ground. They might grow leaves, flowers, and fruit. Plants cannot move around on their own like animals can.
Animals also come in many shapes and sizes. Most animals can move around. A... | A chili pepper is a plant. It has many green leaves.
Chili peppers give food a spicy flavor.
A penguin is an animal. It walks and swims.
A penguin is a bird that lives near water. Penguins cannot fly! They use their wings to swim.
A manta ray is an animal. It swims underwater.
Manta rays are fish. They have triangle-sh... | |
Not supported with pagination yet | Using only these supplies, which question can Michelle investigate with an experiment? | [
"Do round rocks or flat rocks skip more times when thrown across the river?",
"Do small rocks or large rocks skip more times when thrown across the river?",
"Do rocks skip more times when thrown across a river or across a pond?"
] | 1 | Michelle likes to skip rocks at the river. She notices that some of the rocks she throws skip off the surface of the water many times, while others skip once and then sink. She wonders what factors affect how well rocks skip on the water. So, she decides to design an experiment. She has the following supplies available... | 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... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Mrs. Hancock told her friend that she needs to exercise on a regular basis and get more sleep in order to have more energy throughout the day.",
"Mrs. Hancock told her friend to exercise on a regular basis and get more sleep in order to have more energy throughout the day."
] | 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 Mrs. Hancock or her friend.
Mrs. Hancock told her friend that she needs to exercise on a regular basis and get more sleep in order to have more energy throughout the day.
The second answer choice shows a possible correction for t... | |
Not supported with pagination yet | Which sentence is more formal? | [
"To succeed here, students are expected to set aside several hours a day for studying.",
"To succeed here, students are expected to hit the books for several hours a day."
] | 0 | 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 second sentence is less formal. You can tell because it uses an idiom (hit the books).
The first sentence uses formal language in place of the idiom, so it is more formal overall. | |
Which continent is highlighted? | [
"Asia",
"Africa",
"Antarctica",
"South America"
] | 1 | 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 Africa. | ||
Not supported with pagination yet | What does Día de los Muertos mean? | [
"Labor Day",
"Mother's Day",
"Day of the Dead",
"Festival of Lights"
] | 2 | closed choice | grade3 | social science | culture | Cultural celebrations | Día de los Muertos | Día de los Muertos is Spanish for Day of the Dead. It is a celebration of friends and family members who have died.
Día de los Muertos is a happy holiday. People believe that the souls of the dead come back to visit on Día de los Muertos. To welcome the spirits, people make altars with food, candles, and flowers. An al... | ||
Which of these states is farthest west? | [
"Vermont",
"Connecticut",
"Alabama",
"New Mexico"
] | 3 | 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. New Mexico is farthest west. | ||
Select the amphibian below. | [
"common toad",
"rabbit"
] | 0 | Amphibians have moist skin and begin their lives in water. A barking tree frog is an example of an amphibian. | closed choice | grade3 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common.
Scientists sort animals into groups based on traits they have in common. This process is called classification. | A common toad is an amphibian. It has moist skin and begins its life in water.
Toads do not have teeth! They swallow their food whole.
A rabbit is a mammal. It has fur and feeds its young milk.
Rabbits live underground in burrows. A group of rabbit burrows is called a warren. |
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.