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Which of these organisms contains matter that was once part of the kelp? | [
"plainfin midshipman",
"zooplankton",
"orca"
] | 2 | Below is a food web from an ocean ecosystem in Monterey Bay, off the coast of California.
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 | grade6 | 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 kelp.
There are two arrows pointing to the plainfin midshipman. These start from the phytoplankton and the zooplankton. The only arrow pointing to the zooplankton starts from the ph... | |
Not supported with pagination yet | Which correctly shows the title of a short story? | [
"\"The Ant and the Grasshopper\"",
"The Ant and the Grasshopper"
] | 0 | closed choice | grade4 | language science | punctuation | Formatting | Formatting titles | The title of a book, movie, play, TV show, magazine, or newspaper should be in italics. If you write it by hand, it can be underlined instead.
A Midsummer Night's Dream
The title of a poem, song, article, or short story should be in quotation marks.
"You Are My Sunshine" | A short story should be in quotation marks.
The correct title is "The Ant and the Grasshopper." | |
Which property matches this object? | [
"smooth",
"rough"
] | 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 rough object feels scratchy when you touch it. The wet ice cube is not rough.
A smooth object is not scratchy or rough. The wet ice cube is smooth. | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Mrs. Chandler told her friend to exercise on a regular basis and get more sleep in order to have more energy throughout the day.",
"Mrs. Chandler 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."
] | 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 she could refer to Mrs. Chandler or her friend.
Mrs. Chandler 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 first answer choice shows a possible correction for... | |
What is the capital of Texas? | [
"New Orleans",
"Houston",
"Dallas",
"Austin"
] | 3 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Austin is the capital of Texas. | |||
Not supported with pagination yet | What is the volume of a water balloon? | [
"465 milliliters",
"465 liters"
] | 0 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of a water balloon is 465 milliliters.
465 liters is too much. |
Not supported with pagination yet | Complete the sentences.
Bill Gates is a business leader. He became famous for (). | [
"playing sports",
"making movies",
"running for president",
"working with computers"
] | 3 | closed choice | grade2 | social science | us-history | Historical figures | Bill Gates | Bill Gates is most famous for working with computers. He first became interested in computers when he was 13 years old.
What were computers like when Bill Gates was 13?
Bill Gates was 13 in 1969. Back then, computers were much larger and more expensive than they are today. A computer could take up a whole room!
Most sc... | ||
Which of these states is farthest north? | [
"North Carolina",
"Indiana",
"Florida",
"New York"
] | 3 | closed choice | grade4 | 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 north arrow is pointing. New York is farthest north. | ||
Not supported with pagination yet | Would you find the word trap on a dictionary page with the following guide words?
tear - turn | [
"no",
"yes"
] | 1 | 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 trap is between the guide words tear - turn, it would be found on that page. | |
Which i in row B? | [
"the park",
"the police department",
"the gas station",
"the grocery store"
] | 0 | closed choice | grade3 | 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 park is in row B. | ||
Not supported with pagination yet | Complete the statement. Assume that the sled's mass did not change.
The gravitational potential energy stored between the sled and Earth () as Cara rode down the hill. | [
"decreased",
"stayed the same",
"increased"
] | 0 | Read the text about an object in motion.
On a snowy day, Cara rode her sled down a big hill. | closed choice | grade7 | natural science | physics | Kinetic and potential energy | Identify changes in gravitational potential energy | Gravitational potential energy is stored between any two objects. So, for every object on or near Earth, there is gravitational potential energy stored between the object and Earth.
The amount of gravitational potential energy stored between an object and Earth depends on the mass of the object. The amount of gravitati... | Think about how the distance between the sled and the center of Earth changed.
The bottom of the hill was lower than the point where Cara started sledding. As Cara rode toward the bottom of the hill, the distance between the sled and the center of Earth decreased. So, the gravitational potential energy stored between t... |
Select the organism in the same genus as the smooth newt. | [
"Nerodia clarkii",
"Lissotriton vulgaris",
"Sciurus vulgaris"
] | 1 | This organism is a smooth newt. Its scientific name is Lissotriton vulgaris. | closed choice | grade8 | natural science | biology | Classification and 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 smooth newt's scientific name is Lissotriton vulgaris. The first word of its scientific name is Lissotriton.
Sciurus vulgaris and Lissotriton vulgaris are not in the same genus.
These organisms are not in the same genus, but part of their scientific names is the same. Sciurus vulgaris and Lissotriton vulgaris have th... | |
Which term matches the picture? | [
"in vivo",
"in vitro"
] | 1 | Read the text.
When immunologists develop a new vaccine, years of testing may be required before it is introduced to humans. Early testing may occur in vitro, or "in glass." In vitro testing is done outside of organisms, in a petri dish or test tube, and can help researchers identify the mechanism by which a vaccine wo... | closed choice | grade8 | language science | word-study | Domain-specific vocabulary | Determine the meaning of domain-specific words with pictures | In vitro means in glass. In vitro testing is testing done outside of an organism, for example, in a petri dish. | ||
What is the name of the colony shown? | [
"New Jersey",
"New York",
"Massachusetts",
"Pennsylvania"
] | 3 | closed choice | grade5 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is Pennsylvania. | |||
Not supported with pagination yet | Which sentence states a fact? | [
"The modern trumpet is an instrument made of brass.",
"Music from a trumpet sounds more pleasant than music from a flute."
] | 0 | closed choice | grade4 | 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.
The modern trumpet is an instrument made of brass.
It can be proved by reading a book about music instruments.
The first sentence states an opinion.
Music from a trumpet sounds more pleasant than music from a flute.
More pleasant shows what a person believes, thinks, or feels. Another... | |
Which property do these four objects have in common? | [
"rough",
"sweet",
"sticky"
] | 0 | Select the best answer. | closed choice | grade5 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. Grouping objects... | Look at each object.
For each object, decide if it has that property.
A sticky object can attach or stick to other things. The rock are not sticky.
A rough object feels scratchy when you touch it. All four objects are rough.
Sugar has a sweet taste. The pineapple is sweet, but the rock are not.
The property that all fo... | |
Not supported with pagination yet | Select the amphibian. | [
"wombat",
"barn owl",
"helmeted iguana",
"African bullfrog"
] | 3 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Amphibians have moist skin and begin their lives in water. | An African bullfrog is an amphibian. It has moist skin and begins its life in water.
Frogs live near water or in damp places. Most frogs lay their eggs in water.
A wombat is a mammal. It has fur and feeds its young milk.
Wombats have strong claws on their front feet. They use their claws to dig underground holes called... | |
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 1 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade3 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south.
Here are some examples of magnets.... | Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The south pole of one magnet is closest to the north pole of the other magnet. Poles that are different attract. So, these magnets will attract each other. | |
What is true about hurricanes? | [
"Hurricanes can be found only over ocean water.",
"Hurricanes are large spiral-shaped storms.",
"Hurricanes can be found only over land."
] | 1 | Read the paragraphs and look at the picture. Then answer the question.
This picture was taken high above Earth's surface. It shows Hurricane Isabel over the southeastern United States and the Gulf of Mexico. A hurricane is a large storm with strong wind and heavy rain. Clouds spiral around the center of the hurricane.
... | closed choice | grade4 | natural science | literacy-in-science | Engineering practices | Identify the best design solution to prevent hurricane damage | Both the picture and the paragraphs tell you about hurricanes. Start with the paragraphs.
This picture was taken high above Earth's surface. It shows Hurricane Isabel over the southeastern United States and the Gulf of Mexico. A hurricane is a large storm with strong wind and heavy rain. Clouds spiral around the center... | ||
Not supported with pagination yet | Would you find the word compass on a dictionary page with the following guide words?
cabin - crate | [
"no",
"yes"
] | 1 | yes or no | grade7 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since compass is between the guide words cabin - crate, it would be found on that page. | |
Which animal is also adapted to be camouflaged in a sandy desert? | [
"emerald tree boa",
"Namaqua chameleon"
] | 1 | Bearded dragons are lizards that live in the deserts of Australia. The is adapted to be camouflaged in a sandy desert.
Figure: bearded dragon. | closed choice | grade3 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the bearded dragon.
The bearded dragon has a sand-colored 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 Namaqua chameleon has sand-colored scales covering its body. It ... | |
What is the name of the colony shown? | [
"Rhode Island",
"Ohio",
"New Jersey",
"New York"
] | 2 | closed choice | grade5 | social science | us-history | English colonies in North America | Identify the Thirteen Colonies | The colony is New Jersey. | |||
Which country is highlighted? | [
"Solomon Islands",
"the Marshall Islands",
"Tonga",
"Kiribati"
] | 1 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is the Marshall Islands.
Does the Marshall Islands have any territorial disputes?
The Marshall Islands claims to own Wake Island, which is a disputed territory. In other words, multiple countries or groups claim that the area rightfully belongs to them.
The United States claimed Wake Island in 1899 and has... | |||
Not supported with pagination yet | What is the mass of an elephant? | [
"2 ounces",
"2 tons",
"2 pounds"
] | 1 | 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 an elephant is 2 tons.
2 ounces and 2 pounds are both too light. |
Which of the following organisms is the tertiary consumer in this food web? | [
"pine vole",
"beaver",
"swallowtail caterpillar",
"bobcat"
] | 3 | 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 | grade7 | natural science | biology | Ecological interactions | Interpret food webs I | 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... | Tertiary consumers eat secondary consumers. So, in a food web, tertiary consumers have arrows pointing to them from secondary consumers. Secondary consumers have arrows pointing to them from primary consumers. And primary consumers have arrows pointing to them from producers.
The swallowtail caterpillar has an arrow po... | |
Not supported with pagination yet | Which tense does the sentence use?
Victor folded the wool blanket on his bed. | [
"future tense",
"present tense",
"past tense"
] | 2 | closed choice | grade3 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in past tense. You can tell because it uses a past-tense verb, folded. The verb ends in -ed and tells you about something that has already happened. | |
Not supported with pagination yet | Which bucket of water has a higher temperature? | [
"the bucket of water with less thermal energy",
"the bucket of water with more thermal energy"
] | 1 | Two 10-kilogram buckets of water are identical except for their thermal energies. | closed choice | grade5 | natural science | physics | Heat and thermal energy | How are temperature and mass related to thermal energy? | Matter is made of tiny particles called atoms. Atoms are always moving.
The energy of moving atoms is called thermal energy. The total amount of thermal energy in matter depends on three things: the type of matter, the amount of matter, and how fast the atoms are moving.
Temperature measures how hot or cold matter is. ... | The two buckets of water are made of the same material and have the same mass. So, the bucket of water with more thermal energy has a higher temperature. |
Not supported with pagination yet | Which sentence uses a metaphor? | [
"The children ran by like a stampede of horses.",
"The running children are a stampede of horses."
] | 1 | closed choice | grade4 | language science | figurative-language | Literary devices | Identify similes and metaphors | Similes and metaphors are figures of speech that compare two things that are not actually alike.
A simile compares two things by saying that one is like the other. Similes often use the words like and as.
My sister runs like a cheetah.
The sister's running and a cheetah's running are compared using the word like.
A che... | This sentence uses a metaphor:
The running children are a stampede of horses.
The words children and stampede are compared without the word like or as.
This sentence uses a simile:
The children ran by like a stampede of horses.
The words children and stampede are compared using the word like. | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Since Fairfax College receives more applications for admission than Newton University, Fairfax College is evidently a better school. | [
"ad hominem: an attack against the person making the argument, rather than the argument itself",
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences"
] | 1 | 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 Fairfax College is better than Newton University because Fairfax College receives more applications. However, the popularity of a school does not necessarily indicate its quality. This illustrates a type of logical fallacy known as the bandwagon fallacy. | |
Not supported with pagination yet | Would you find the word clam on a dictionary page with the following guide words?
calves - comb | [
"no",
"yes"
] | 1 | 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 clam is between the guide words calves - comb, it would be found on that page. | |
Which statement is true about the average monthly temperature in Lagos? | [
"December, January, and February are the coldest months of the year.",
"September, October, and November are much warmer than the other months of the year.",
"The average monthly temperature does not change much throughout the year."
] | 2 | Use the graph to answer the question below. | closed choice | grade4 | natural science | earth-science | Weather and climate | Use climate data to make predictions | Scientists record climate data from places around the world. Temperature is one type of climate data. Scientists collect data over many years. They can use this data to calculate the average temperature for each month. The average temperature can be used to describe the climate of a location.
A line graph can be used t... | To describe the average temperature trends in Lagos, look at the graph.
Choice "Feb" is incorrect.
Choice "Sep" is incorrect.
Choice "Oct" is incorrect.
Choice "Nov" is incorrect.
Choice "Dec" is incorrect.
Choice "Jan" is incorrect.
The average monthly temperatures stay between 25°C and 30°C. No months are much colder... | |
What evidence of a drought does this picture show? | [
"Parts of the lake floor are visible because the water level is low.",
"There is water in the lake."
] | 0 | This picture was taken during a drought. A drought happens when an area gets less rain or snow than usual. | closed choice | grade2 | natural science | earth-science | Earth events | Find evidence of changes to Earth's surface | Evidence is information that tells you something happened.
How do you look for evidence of a change to Earth's surface?
There are many ways to find evidence of a change to Earth's surface. One way is to look at a picture that was taken after the change.
Here are some examples of what the evidence for different changes ... | ||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger in Pair 2.",
"The magnetic force is stronger in Pair 1."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade3 | 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. | Distance affects the strength of the magnetic force. But the distance between the magnets in Pair 1 and in Pair 2 is the same.
So, the strength of the magnetic force is the same in both pairs. | |
Not supported with pagination yet | Which tense does the sentence use?
Mom will pitch the ball to Vijay. | [
"past tense",
"future tense",
"present 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 future tense. You can tell because it uses will before the main verb, pitch. The verb tells you about something that is going to happen. | |
Not supported with pagination yet | Select the solid. | [
"pencil",
"rain puddle",
"helium",
"wet paint"
] | 0 | closed choice | grade3 | natural science | physics | States of matter | Identify solids, liquids, and gases | Solid, liquid, and gas are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms.
When matter is a solid, it has a definite volume and a definite shape. So, a solid has a size and shape of its own.
Some solids can be easily folded, bent, or broken. A piece of paper is a... | Helium is a gas. A gas expands to fill a space. Helium is lighter than air. So, if you fill a balloon with helium, the balloon will rise. If helium leaks out of the balloon, the helium will expand into the space around the balloon.
A pencil is a solid. You can break a pencil into pieces. But each piece will still have ... | |
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 0 | Figure: Glacier Bay.
Humpback whales migrate each spring from Mexico to Alaska. They are often seen in Glacier Bay, Alaska, in late spring. The whales did not seem to be bothered by a storm that brought winds of 34 miles per hour to Glacier Bay on May 30 last year.
Hint: Weather is what the atmosphere is like at a cert... | 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.
Humpback whales migrate each spring from Mexico to Alaska. They are often seen in Glacier Bay, Alaska, in late spring. The whales did not seem to be bothered by a storm that brought winds of 34 miles per hour to Glacier Bay on May 30 last year.
The underlined part of the passage tells you ab... | |
Which statement describes the Cape Breton Highlands National Park ecosystem? | [
"It has soil that is frozen year-round.",
"It has soil that is poor in nutrients."
] | 1 | Figure: Cape Breton Highlands National Park.
Cape Breton Highlands National Park is a taiga ecosystem in eastern Canada. It is mostly covered with taiga forests that are home to moose, bears, bald eagles, and other organisms. | closed choice | grade6 | natural science | biology | Ecosystems | Describe ecosystems | An environment includes all of the biotic, or living, and abiotic, or nonliving, things in an area. An ecosystem is created by the relationships that form among the biotic and abiotic parts of an environment.
There are many different types of terrestrial, or land-based, ecosystems. Here are some ways in which terrestri... | A taiga is a type of ecosystem. Taigas have the following features: long, cold winters and short, cool summers, many evergreen trees, and soil that is poor in nutrients. So, the following statements describe the Cape Breton Highlands National Park ecosystem: long, cold winters and short, cool summers, many evergreen tr... | |
Which of these states is farthest south? | [
"Vermont",
"North Dakota",
"Iowa",
"Michigan"
] | 2 | closed choice | grade4 | 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 south arrow is pointing. Iowa is farthest south. | ||
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Mrs. Goodman 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. Goodman 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 | 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 first answer choice contains a vague pronoun reference. The pronoun she could refer to Mrs. Goodman or her friend.
Mrs. Goodman 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... | |
Can Drosophila melanogaster cells make their own food? | [
"yes",
"no"
] | 1 | This organism is Drosophila melanogaster. It is a member of the animal kingdom.
Drosophila melanogaster is commonly called a fruit fly. Many scientists study fruit flies to learn about how animals grow and live. | yes or no | grade4 | natural science | biology | Classification | Describe, classify, and compare kingdoms | In the past, scientists classified living organisms into two groups: plants and animals. Over the past 300 years, scientists have discovered many more types of organisms. Today, many scientists classify organisms into six broad groups, called kingdoms.
Organisms in each kingdom have specific traits. The table below sho... | Drosophila melanogaster is an animal. Animal cells cannot make their own food. Animals get their food by digesting other organisms. | |
Not supported with pagination yet | Suppose Brianna decides to join the Theater Club. Which result would be a cost? | [
"Brianna will save some time. She would have spent more time in the Photography Club than in the Theater Club.",
"Brianna will give up the chance to be in the Photography Club. She would have had more fun in the Photography Club than in the Theater Club."
] | 1 | Brianna is deciding whether to join the Photography Club or the Theater Club at school. She wants the club she joins to be fun. But she doesn't want it to take up too much time. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Brianna wants or needs:
Brianna will give up the chance to be in the Photography Club. She would have had more fun in the Photography Club than in the Theater Club. |
Not supported with pagination yet | What information supports the conclusion that Jordan acquired this trait? | [
"Jordan's neighbor taught him how to repair a kite.",
"Jordan likes to fly a kite with his younger brother.",
"Jordan's friend taught him how to fly a kite."
] | 2 | Read the description of a trait.
Jordan knows how to fly a kite. | closed choice | grade7 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample A",
"sample B",
"neither; the samples have the same temperature"
] | 1 | The diagrams below show two pure samples of gas in identical closed, rigid containers. Each colored ball represents one gas particle. Both samples have the same number of particles. | closed choice | grade6 | natural science | physics | Particle motion and energy | Identify how particle motion affects temperature and pressure | The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance.
The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of... | Each particle in sample B has more mass than each particle in sample A. The particles in sample B also have a higher average speed than the particles in sample A. So, the particles in sample B have a higher average kinetic energy than the particles in sample A.
Because the particles in sample B have the higher average ... | |
Identify the question that Lisa's experiment can best answer. | [
"Does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?",
"Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?"
] | 1 | The passage below describes an experiment. Read the passage and then follow the instructions below.
Lisa prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. Lisa soaked white linen fabric squares in five of the buckets, and white cotton fabric squares in the other fiv... | 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... | ||
What is the capital of New York? | [
"Montpelier",
"Albany",
"Concord",
"Augusta"
] | 1 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Albany is the capital of New York. | |||
Which of these cities is marked on the map? | [
"Salt Lake City",
"San Francisco",
"Phoenix",
"Seattle"
] | 0 | closed choice | grade5 | social science | geography | Cities | Cities of the West | The city is Salt Lake City, Utah. San Francisco, Seattle, and Phoenix are marked with gray circles on the map below. | |||
Which solution has a higher concentration of blue particles? | [
"Solution A",
"Solution B",
"neither; their concentrations are the same"
] | 0 | The diagram below is a model of two solutions. Each blue 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 blue particles represent the solute. To figure out which solution has a higher concentration of blue particles, look at both the number of blue particles and the volume of the solvent in each container.
Use the concentration formula to find the number of blue particles per milliliter.
... | |
Not supported with pagination yet | Which object has less thermal energy? | [
"an 800-gram rock at a temperature of 270°F",
"an 800-gram rock at a temperature of 250°F"
] | 1 | The objects are identical except for their temperatures. | closed choice | grade3 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter slow down, the temperature goes down. The matter now has both ... | The two rocks have the same mass but different temperatures. Since the 250°F rock is colder than the 270°F rock, it has less thermal energy. |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown. | closed choice | grade4 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles: north and south.
Here are some examples of magnets. The no... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
Both poles of each magnet line up with both poles of the other magnet. The south pole of each magnet is closest to the north pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
Look at the models of molecules below. Select the elementary substance. | [
"carbon tetraiodide",
"ozone",
"2-chloroethanol"
] | 1 | 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 ... | |||
Not supported with pagination yet | Select the animal that has a backbone. | [
"tree frog",
"orb weaver"
] | 0 | Hint: Mammals, birds, fish, reptiles, and amphibians all have backbones. | closed choice | grade2 | natural science | biology | Classification | Identify animals with and without backbones | Some animals have a backbone. The backbone is made of many bones in an animal's back. An animal's backbone helps connect the different parts of its body. In the drawings below, each animal's backbone is colored orange.
Other animals do not have a backbone. In fact, these animals don't have any bones! Some animals witho... | A tree frog is an amphibian. Like other amphibians, a tree frog has a backbone.
Like other spiders, an orb weaver does not have a backbone. It has a hard outer cover. |
Not supported with pagination yet | Which sentence states a fact? | [
"A shark's skeleton is made of cartilage, not bone.",
"Sharks are the most savage hunters in all of nature."
] | 0 | closed choice | grade4 | 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.
A shark's skeleton is made of cartilage, not bone.
It can be proved by reading a book about sharks.
The first sentence states an opinion.
Sharks are the most savage hunters in all of nature.
Most savage shows what a person believes, thinks, or feels. Another person might have a differ... | |
Not supported with pagination yet | Select the one animal that has all of the amphibian traits listed above. | [
"Painted storks wade in shallow water to look for food. Storks use their beaks to eat fish, insects, worms, and small animals. They have feathers and two wings. Painted storks lay eggs with shells in nests along the water.",
"Adult tiger salamanders have moist, smooth skin with stripes. They live in burrows under... | 1 | Amphibians are a group of animals with similar traits. The following traits can be used to identify amphibians:
They spend part of their lives in water and part on land.
They have moist skin.
They make eggs with no shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify mammals, birds, fish, reptiles, and amphibians | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Amphibians have the following traits:
They spend part of their lives in water and part on land.
They have moist skin.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to th... |
What can Cora and Leon trade to each get what they want? | [
"Leon can trade his almonds for Cora's tomatoes.",
"Leon can trade his broccoli for Cora's oranges.",
"Cora can trade her tomatoes for Leon's carrots.",
"Cora can trade her tomatoes for Leon's broccoli."
] | 3 | Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Cora and Leon open their lunch boxes in the school cafeteria. Neither Cora nor Leon got everything that they wanted. The table be... | closed choice | grade8 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Cora wants broccoli. Leon 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. | ||
During this time, thermal energy was transferred from () to (). | [
"each cake . . . the surroundings",
"the surroundings . . . each cake"
] | 0 | Darnell baked two identical cakes. When he took them out of the oven, he left one cake in its pan and took the other cake out of its pan to put it on a plate. This table shows how the temperature of each cake changed over 5minutes. | closed choice | grade8 | natural science | physics | Thermal energy | Compare thermal energy transfers | A change in an object's temperature indicates a change in the object's thermal energy:
An increase in temperature shows that the object's thermal energy increased. So, thermal energy was transferred into the object from its surroundings.
A decrease in temperature shows that the object's thermal energy decreased. So, th... | The temperature of each cake decreased, which means that the thermal energy of each cake decreased. So, thermal energy was transferred from each cake to the surroundings. | |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When I learned the details of Gwen's Faustian bargain, I was in disbelief. | [
"Roman mythology",
"literature"
] | 1 | closed choice | grade7 | language science | figurative-language | Literary devices | Recall the source of an allusion | An allusion is a brief mention of something or someone well known, often from mythology, history, or literature. An allusion lets you reference ideas from an entire story in just a few words.
"I'd better get home before I turn into a pumpkin!" Lila remarked.
Here, Lila alludes to the fairy tale "Cinderella," in which C... | The source of the allusion Faustian bargain is literature.
In a play by Christopher Marlowe based on the legend of Faust, a man strikes a deal with the devil. Disregarding the long-term consequences of his actions, he sells his soul in exchange for power.
The allusion Faustian bargain means a compromise of one's values... | |
Not supported with pagination yet | Based on this information, what is Babel's phenotype for the body feather color trait? | [
"green body feathers",
"blue body feathers"
] | 0 | In a group of budgerigar parakeets, some individuals have green body feathers and others have blue body feathers. In this group, the gene for the body feather color trait has two alleles. The allele for green body feathers (B) is dominant over the allele for blue body feathers (b).
Babel is a budgerigar parakeet from t... | closed choice | grade6 | 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 ... | Babel's genotype for the body feather color gene is BB. Babel's genotype of BB has only B allelles. The B allele is for green body feathers. So, Babel's phenotype for the body feather color trait must be green body feathers.
To check this answer, consider whether Babel's alleles are dominant or recessive. The allele fo... |
Which ocean is highlighted? | [
"the Southern Ocean",
"the Arctic Ocean",
"the Indian Ocean",
"the Atlantic Ocean"
] | 3 | closed choice | grade6 | social science | geography | Physical Geography | Oceans and continents | Oceans are huge bodies of salt water. The world has five oceans. All of the oceans are connected, making one world ocean. | This is the Atlantic Ocean. | ||
Which of these states is farthest west? | [
"Idaho",
"Tennessee",
"Indiana",
"Florida"
] | 0 | closed choice | grade2 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the west arrow is pointing. Idaho is farthest west. | ||
Which property do these four objects have in common? | [
"sweet",
"salty",
"translucent"
] | 2 | Select the best answer. | closed choice | grade5 | natural science | physics | Materials | Compare properties of objects | An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Properties can also tell you how an object will behave when something happens to it.
Different objects can have properties in common. You can use these properties to put objects into groups. Grouping objects... | Look at each object.
For each object, decide if it has that property.
A translucent object lets light through. But you cannot see clearly through a translucent object. All four objects are translucent.
Sugar has a sweet taste. The jello is sweet, but the ocean water, the marbles, and the icicle are not.
Potato chips ha... | |
Not supported with pagination yet | What information supports the conclusion that Sanjay inherited this trait? | [
"Sanjay's mother has blue eyes. She passed this trait down to Sanjay.",
"Sanjay likes to wear a blue sweater to match his blue eyes."
] | 0 | Read the description of a trait.
Sanjay has blue eyes. | closed choice | grade3 | natural science | biology | Heredity | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | |
Not supported with pagination yet | How long does it take to slide down a slide? | [
"5 seconds",
"5 hours"
] | 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 slide down a slide is 5 seconds.
5 hours is too slow. |
Not supported with pagination yet | What does the personification in this text suggest?
Nathan tried to ignore his unfinished essay, but it glared at him from across the room. | [
"It bothered Nathan that the essay wasn't finished.",
"The essay was printed in large type."
] | 0 | closed choice | grade10 | 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.
Personification is giving human characteristics to nonhuman things.
The trees danced in the wind. | The text uses personification, giving human characteristics to nonhuman things.
Glared at him suggests that it bothered Nathan that the essay wasn't finished. The essay is like a person who is bothering Nathan. | |
Which solution has a higher concentration of yellow particles? | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | 2 | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. | closed choice | grade7 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per mill... | |
Not supported with pagination yet | Suppose Vincent decides to plant the poppies. Which result would be a cost? | [
"Vincent will give up the chance to look at the eucalyptus tree. He thinks it would have looked more beautiful than the poppies.",
"He will save some space. The poppies will use up less space than the eucalyptus tree would have used up."
] | 0 | Vincent is deciding whether to plant poppies or a eucalyptus tree in his backyard. He wants to make his backyard more beautiful. But he also wants to leave space for doing fun things. | 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 Vincent wants or needs:
Vincent will give up the chance to look at the eucalyptus tree. He thinks it would have looked more beautiful than the poppies. |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | 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.
Distance affects the magnitude of the magnetic force. When there is a smaller distance between magnets, the magni... | |
Not supported with pagination yet | Which tense does the sentence use?
We will wait outside for Maya. | [
"future tense",
"present tense",
"past tense"
] | 0 | closed choice | grade2 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in future tense. You can tell because it uses will before the main verb, wait. The verb tells you about something that is going to happen. | |
Is eclogite a mineral or a rock? | [
"rock",
"mineral"
] | 0 | Eclogite has the following properties:
naturally occurring
solid
made of light and dark mineral grains
no fixed crystal structure
not a pure substance
not made by living things | closed choice | grade8 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Minerals are the building blocks of rocks. A rock can be made of one or more minerals.
Minerals and rocks have the following properties:
Property | Mineral | Rock
It is a solid. | Yes | Yes
It is formed in nature. | Yes | Yes
It is not made by organisms. | Yes | Yes
It is a pure substance. | Yes | No
It has a fixed cry... | The properties of eclogite match the properties of a rock. So, eclogite is a rock. | |
Which country is highlighted? | [
"Fiji",
"the Federated States of Micronesia",
"Papua New Guinea",
"New Zealand"
] | 0 | closed choice | grade7 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Fiji. | |||
Not supported with pagination yet | Which is a compound sentence? | [
"Paula finished her book, but she got two more from the library.",
"The butcher cuts the fat off the meat."
] | 0 | closed choice | grade3 | language science | grammar | Sentences, fragments, and run-ons | Is the sentence simple or compound? | A simple sentence is a sentence with only one subject and predicate.
The pitcher threw the ball to first base.
A compound sentence is two simple sentences joined by a comma and a conjunction such as and, but, or, or so.
The pitcher threw the ball, and the batter hit it.
Some simple sentences have a compound subject or ... | The second sentence is the compound sentence. It is made up of two simple sentences joined by a comma and the conjunction but.
Paula finished her book, but she got two more from the library. | |
Not supported with pagination yet | Which text message is more formal? | [
"Ms. Davis is already here. She's waiting in the lobby.",
"Heads up! Davis is here. In the lobby."
] | 0 | closed choice | grade10 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The second text message is more formal. It uses complete sentences, avoids slang (heads up), and uses the person's title (Ms. Davis). The other text message includes more casual language and sentence fragments. | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger in Pair 2.",
"The magnetic force is stronger in Pair 1."
] | 0 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade3 | 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. | Distance affects the strength of the magnetic force. But the distance between the magnets in Pair 1 and in Pair 2 is the same.
So, the strength of the magnetic force is the same in both pairs. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"Your Niece,\nClare",
"Your niece,\nClare"
] | 1 | closed choice | grade2 | language science | capitalization | Capitalization | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The first closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Not supported with pagination yet | What does the hyperbole in this text suggest?
The last time Andrew cleaned his room, dinosaurs were still roaming the Earth. | [
"Andrew hates to clean his room.",
"Andrew hasn't cleaned his room in a very long time."
] | 1 | closed choice | grade9 | 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.
Hyperbole is an obvious exaggeration that is not meant to be taken literally.
I ate so much that I think I might explode! | The text uses hyperbole, an obvious exaggeration that is not meant to be taken literally.
The hyperbole dinosaurs were still roaming the Earth suggests that Andrew hasn't cleaned his room in a very long time. He did not actually clean his room millions of years ago when dinosaurs existed. | |
Not supported with pagination yet | Which announcement is more formal? | [
"The Norwood Law Firm is so happy to tell you . . .",
"The Norwood Law Firm is pleased to announce . . ."
] | 1 | closed choice | grade10 | language science | writing-strategies | Audience, purpose, and tone | Which text is most formal? | Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is... | The second announcement is more formal. It uses more elevated language (pleased to announce). The other announcement sounds more conversational (so happy). | |
Which part of the spinach plant do we usually eat? | [
"the leaves",
"the fruit",
"the flowers"
] | 0 | People use spinach plants for food. Photosynthesis makes food for the plant. We usually eat the part of the plant that does most of the photosynthesis. | closed choice | grade4 | natural science | biology | Plants | Classify fruits and vegetables as plant parts | The fruits and vegetables we eat are parts of plants! Plants are made up of different structures. The different structures carry out important functions.
The roots take in water and nutrients from the soil. They also hold the plant in place in the soil.
The stem supports the plant. It carries food, water, and nutrients... | The part of the spinach plant we usually eat is the leaves. They do most of the photosynthesis to make food for the plant. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"your nephew,\nJayce",
"Your nephew,\nJayce"
] | 1 | closed choice | grade3 | language science | punctuation | Formatting | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The second closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Not supported with pagination yet | Would you find the word wade on a dictionary page with the following guide words?
weary - world | [
"yes",
"no"
] | 1 | yes or no | grade6 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since wade is not between the guide words weary - world, it would not be found on that page. | |
Not supported with pagination yet | Which closing is correct for a letter? | [
"Best regards,\nCooper",
"best regards,\nCooper"
] | 0 | closed choice | grade2 | language science | capitalization | Capitalization | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The first closing is correct:
Its first word is capitalized, and it ends with a comma. | |
Not supported with pagination yet | Which type of sentence is this?
Hayley is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | [
"simple",
"compound-complex",
"compound",
"complex"
] | 1 | closed choice | grade9 | language science | grammar | Phrases and clauses | Is the sentence simple, compound, complex, or compound-complex? | A clause is a group of words that contains both a subject and a predicate.
An independent clause is a complete thought that can stand alone as a sentence. A dependent clause (or subordinate clause) is not a complete thought and cannot stand alone as a sentence.
the oranges on our tree are ripe
The clause can stand alon... | The sentence is compound-complex. It is made up of two independent clauses and a dependent clause. The dependent clause begins with the relative pronoun which.
Hayley is a competitive horseback rider, and she will be competing in the next World Equestrian Games, which are held every four years. | |
Not supported with pagination yet | What does the verbal irony in this text suggest?
"That fits you well," Clayton remarked after Marcy's cap fell over her eyes for the tenth time. | [
"The cap was too big.",
"The cap looked nice on Marcy."
] | 0 | closed choice | grade9 | 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.
Fits you well ironically suggests that the cap was too big. The cap was falling over Marcy's eyes, so it didn't fit her well at all. | |
Not supported with pagination yet | Choose the poem that uses alliteration. | [
"The clouds had made a crimson crown\nAbout the mountains high.\nThe stormy sun was going down\nIn a stormy sky.",
"Three paces in the moonlight's glow I stand,\nAnd here within the twilight beats my heart.\nI'm not asking you to finish\nBut—to start."
] | 0 | From Djuna Barnes, "Serenade" and from Mary Elizabeth Coleridge, "A Moment" | closed choice | grade9 | language science | reading-comprehension | Analyzing literature | Identify elements of poetry | Poets often use the sounds of words to create interesting effects and to express moods and emotions. Understanding these elements of poetry can help you better interpret and appreciate poetic forms.
Anaphora is the repetition of words or sequences of words at the beginning of multiple phrases, sentences, or lines.
Out ... | This poem uses alliteration. It repeats beginning consonant sounds.
About the mountains high.
In a stormy sky. |
Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | 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 A have a higher average speed than the particles 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, sampl... | |
Not supported with pagination yet | Would you find the word melon on a dictionary page with the following guide words?
modest - mustard | [
"yes",
"no"
] | 1 | 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 melon is not between the guide words modest - mustard, it would not be found on that page. | |
Not supported with pagination yet | Suppose Jeanette decides to make egg drop soup. Which result would be a cost? | [
"The egg drop soup will be tastier than the beef barley soup would have been.",
"Jeanette will spend more time making the egg drop soup than she would have spent making the beef barley soup."
] | 1 | Jeanette is deciding whether to make egg drop soup or beef barley soup for dinner. She wants dinner to be as tasty as possible. But she is also hungry and wants to eat soon. | closed choice | grade4 | social science | economics | Basic economic principles | Costs and benefits | Before you decide to do something, it is often helpful to list costs and benefits.
Costs are what you give up or spend when you decide to do something. Costs involve giving up things that you want or need.
Benefits are what you gain or save when you decide to do something. Benefits involve gaining something that you wa... | This result is a cost. It involves giving up or spending something that Jeanette wants or needs:
Jeanette will spend more time making the egg drop soup than she would have spent making the beef barley soup. |
What is the capital of Delaware? | [
"Wilmington",
"Georgetown",
"Tampa",
"Dover"
] | 3 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Dover is the capital of Delaware. | |||
Not supported with pagination yet | Based on this information, what is this pea plant's phenotype for the pod color trait? | [
"Dd",
"green pods"
] | 1 | In a group of pea plants, some individuals have green pods and others have yellow pods. In this group, the gene for the pod color trait has two alleles. The allele D is for green pods, and the allele d is for yellow pods.
A certain pea plant from this group has green pods. This plant has one allele for green pods and o... | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: genotype and phenotype | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | An organism's phenotype for a trait is its observable version of that trait. The pea plant's observable version of the pod color trait is green pods. So, the plant's phenotype for the pod color trait is green pods. |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
face - fro | [
"future",
"formal"
] | 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 formal is between the guide words face - fro, it would be found on that page. | |
Not supported with pagination yet | Which word would you find on a dictionary page with the following guide words?
gasp - goblin | [
"gruff",
"geranium"
] | 1 | 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 geranium is between the guide words gasp - goblin, it would be found on that page. | |
Which animal is also adapted for climbing trees? | [
"common marmoset",
"chital"
] | 0 | Crested black macaques live in the rain forests of Indonesia. They climb trees to find food and shelter. The macaque's hands and feet are adapted for climbing trees.
Figure: crested black macaque. | 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 crested black macaque.
The crested black macaque has long fingers and toes. It is adapted for climbing trees. The crested black macaque uses its long fingers and toes to hold on to branches while climbing.
Now look at each animal. Figure out which animal has a similar adaptation.
The common m... | |
Select the organism in the same species as the mountain zebra. | [
"Camelus dromedarius",
"Equus zebra",
"Cervus canadensis"
] | 1 | This organism is a mountain zebra. Its scientific name is Equus zebra. | 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 mountain zebra's scientific name is Equus zebra.
Camelus dromedarius does not have the same scientific name as a mountain zebra. So, Equus zebra and Camelus dromedarius are not in the same species.
Equus zebra has the same scientific name as a mountain zebra. So, these organisms are in the same species.
Cervus canade... | |
Which animal's feet are also adapted for digging? | [
"eastern mole",
"tokay gecko"
] | 0 | s are found in many parts of Europe. They dig and live in burrows. These moles eat earthworms and nuts, which they find in the soil. The feet of the are adapted for digging.
Figure: European mole. | 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 European mole.
The European mole has long, straight claws. Its feet are adapted for digging. The European mole uses its claws to break up soil and move it out of the way.
Now look at each animal. Figure out which animal has a similar adaptation.
The eastern mole has long, straight claws. Its ... | |
Not supported with pagination yet | Which is a complex sentence? | [
"The forecast for tomorrow calls for strong winds and light rain.",
"Dancers will often bow or curtsy for the audience before the final curtain comes down."
] | 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 before.
Dancers will often bow or curtsy for the audience before the final curtain comes down. | |
Does this passage describe the weather or the climate? | [
"weather",
"climate"
] | 1 | Figure: San Francisco.
San Francisco is located on the coast of California. The city is known for warm winter temperatures.
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.
San Francisco is located on the coast of California. The city is known for warm winter temperatures.
The underlined part of the passage tells you about the usual temperature pattern in San Francisco. This passage does not describe what the weather is like on a particular day. So, this passag... | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"dear Keith,",
"Dear Keith,"
] | 1 | closed choice | grade4 | language science | punctuation | Formatting | Greetings and closings of letters | A letter starts with a greeting and ends with a closing. For each one, capitalize the first word and end with a comma. You should also capitalize proper nouns, such as Aunt Sue.
Dear Aunt Sue,
I'm glad you could come to my party, and
thank you for the birthday gift. I could not have
asked for a better one! Every time I... | The second greeting is correct:
Its first word is capitalized, and it ends with a comma. Keith is capitalized because it is a proper noun. | |
Not supported with pagination yet | Which figure of speech is used in this text?
It was August 30, 2005. Hurricane Katrina had come and gone, the levees had been breached, and it was a bit wet in New Orleans. | [
"assonance",
"understatement"
] | 1 | closed choice | grade11 | language science | figurative-language | Literary devices | Classify the figure of speech: anaphora, antithesis, apostrophe, assonance, chiasmus, understatement | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Anaphora is the repetition of the same word or words at the beginning of several phrases or clauses.
We are united. We are powerful. We are winners.
Antithesis involves contrasting opposing id... | The text uses understatement, which involves deliberately representing something as less serious or important than it really is.
It was a bit wet in New Orleans is an understatement, since nearly eighty percent of the city was under water following the hurricane. | |
Not supported with pagination yet | What do these two changes have in common?
cellular respiration
chemicals in a battery reacting to power a flashlight | [
"Both are caused by heating.",
"Both are only physical changes.",
"Both are chemical changes.",
"Both are caused by cooling."
] | 2 | 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.
Cellular respiration is a chemical change. Cells use oxygen to break down sugar. Breaking the chemical bonds in sugar molecules releases energy that a cell can use.
The atoms from the broken molecules then combine to form different molecules such as carbon dioxide and water. These molec... | |
Select the chemical formula for this molecule. | [
"PH2",
"P3H",
"P2H2",
"PH3"
] | 3 | 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 ... | P is the symbol for phosphorus. According to the legend, phosphorus atoms are shown in orange. H is the symbol for hydrogen. According to the legend, hydrogen atoms are shown in light gray. This ball-and-stick model shows a molecule with one phosphorus atom and three hydrogen atoms. The chemical formula will contain th... | ||
Which continent is highlighted? | [
"South America",
"North America",
"Asia",
"Europe"
] | 3 | closed choice | grade3 | social science | geography | Geography | Identify oceans and continents | A continent is one of the seven largest areas of land on earth. | This continent is Europe. | ||
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 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.
Both poles of each magnet line up with both poles of the other magnet. The south pole of each magnet is closest to the south pole of the other magnet. Like poles repel. So, these magnets will repel each other. |
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.