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Not supported with pagination yet | Select the amphibian. | [
"great crested newt",
"robin",
"blue-footed booby",
"helmeted iguana"
] | 0 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Amphibians have moist skin and begin their lives in water. | A great crested newt is an amphibian. It has moist skin and begins its life in water.
Some newts live in water. Other newts live on land but lay their eggs in water.
A blue-footed booby is a bird. It has feathers, two wings, and a beak.
Blue-footed boobies live on tropical islands in the Pacific Ocean.
A helmeted iguan... | |
Not supported with pagination yet | Which correctly shows the title of a TV show? | [
"Bananas in pajamas",
"Bananas in Pajamas"
] | 1 | closed choice | grade4 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between. The word in is not important, so it should not be capitalized.
The correct title is Bananas in Pajamas. | |
Not supported with pagination yet | Suppose Jennifer decides to make cream of mushroom soup. Which result would be a cost? | [
"The cream of mushroom soup will be tastier than the onion soup would have been.",
"Jennifer will spend more time making the cream of mushroom soup than she would have spent making the onion soup."
] | 1 | Jennifer is deciding whether to make cream of mushroom soup or onion soup for dinner. She wants dinner to be as tasty as possible. But she is also hungry and wants to eat soon. | 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 Jennifer wants or needs:
Jennifer will spend more time making the cream of mushroom soup than she would have spent making the onion soup. |
Which of the following could Bryan's test show? | [
"whether an inexpensive filter would become clogged more often",
"whether the filter was clogged",
"the amount of bacteria in the water before it was filtered"
] | 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 | Select the one animal that has all of the reptile traits listed above. | [
"Cardinalfish have scaly skin and live near coral reefs. Cardinalfish lay eggs with no shells and have fins that help them swim underwater.",
"Galapagos giant tortoises hatch from eggs with shells and live on the Galapagos Islands in the Pacific Ocean. They can live to be over 150 years old! Galapagos giant torto... | 1 | Reptiles are a group of animals with similar traits. The following traits can be used to identify reptiles:
They have scaly, waterproof skin.
They make eggs with 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.
Reptiles have the following traits:
They have scaly, waterproof skin.
They make eggs with shells.
Compare each animal's traits to the group's traits. Select the animal with traits similar to the group's traits.
A Galapagos giant tortoise has th... |
Not supported with pagination yet | What kind of sentence is this?
What rights do the first ten amendments to the Constitution guarantee Americans? | [
"interrogative",
"declarative",
"imperative"
] | 0 | closed choice | grade9 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement and always ends with a period.
The nurse told Mr. Abrams to roll up his sleeve so that she could check his blood pressure.
An imperative sentence makes a request or a demand and usually ends with a period. If a demand shows strong feeling, it can ... | The sentence asks a question and ends with a question mark. It is an interrogative sentence. | |
Which better describes the Tibetan Plateau ecosystem? | [
"It has warm summers. It also has cool winters.",
"It has long, cold winters. It also has mostly small plants."
] | 1 | Figure: Tibetan Plateau.
The Tibetan Plateau is a tundra ecosystem located in Tibet, western China, and northern India. | 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 tundra is a type of ecosystem. Tundras have the following features: long, cold winters and short, cold summers, soil that is frozen year-round, and mostly small plants. So, the Tibetan Plateau has long, cold winters. It also has mostly small plants. | |
Will these magnets attract or repel each other? | [
"repel",
"attract"
] | 1 | Two magnets are placed as shown. | closed choice | grade5 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on other magnets without touching them. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes are called magnetic forces.
Magnetic forces are strongest at the magnets' poles, or ends. Every magnet has two poles: a north pole (N) and a south pole (... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
The north pole of one magnet is closest to the south pole of the other magnet. Opposite poles attract. So, these magnets will attract each other. | |
What is the capital of New Hampshire? | [
"Augusta",
"New York City",
"Manchester",
"Concord"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Concord is the capital of New Hampshire. | |||
Not supported with pagination yet | Which sentence states a fact? | [
"A plain omelet takes one or two minutes to cook on top of a stove.",
"An omelet is worth the effort needed to make it."
] | 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 first sentence states a fact.
A plain omelet takes one or two minutes to cook on top of a stove.
It can be proved by looking up instructions for making an omelet.
The second sentence states an opinion.
An omelet is worth the effort needed to make it.
Worth the effort shows what a person believes, thinks, or feels. ... | |
Which i in row C? | [
"the diner",
"the grocery store",
"the library",
"the school"
] | 3 | 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 school is in row C. | ||
What can happen to the spores after they are released? | [
"They can fuse and form a fertilized egg.",
"They can grow into an adult moss plant."
] | 1 | This diagram shows the life cycle of a moss. | closed choice | grade7 | natural science | biology | Plant reproduction | Moss and fern life cycles | Moss plants reproduce using both asexual reproduction and sexual reproduction.
Moss plants use their male and female parts for sexual reproduction. The male parts produce sperm. Moss live in damp environments, and moss sperm can travel through water to the female parts.
The sperm fuse with eggs in the female part. This... | After they are released, spores can land on the ground and germinate. When spores germinate, they grow into adult moss plants.
Unlike sperm and eggs, spores do not fuse. | |
Not supported with pagination yet | What is the mass of a pair of boots? | [
"5 pounds",
"5 tons",
"5 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 pair of boots is 5 pounds.
5 ounces is too light and 5 tons is too heavy. |
Not supported with pagination yet | How long is a garden snail? | [
"50 millimeters",
"50 kilometers",
"50 centimeters",
"50 meters"
] | 0 | Select the best estimate. | closed choice | grade7 | natural science | units-and-measurement | Units and measurement | Choose metric units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar... | The best estimate for the length of a garden snail is 50 millimeters.
50 centimeters, 50 meters, and 50 kilometers are all too long. |
Not supported with pagination yet | Select the animal that has a backbone. | [
"harbor seal",
"curlyhair tarantula"
] | 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 harbor seal is a mammal. Like other mammals, a harbor seal has a backbone.
Like other tarantulas, a curlyhair tarantula does not have a backbone. It has a hard outer cover. |
What is the capital of Hawaii? | [
"Helena",
"Santa Fe",
"Honolulu",
"Phoenix"
] | 2 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the West | Honolulu is the capital of Hawaii. | |||
Which of the following could Carter's test show? | [
"how well the weather station would work when it was windy",
"if the weather station would work when the temperature was 50°C"
] | 1 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade6 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
What is the name of the colony shown? | [
"Maryland",
"New Jersey",
"Rhode Island",
"Delaware"
] | 1 | closed choice | grade7 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is New Jersey. | |||
Is the following statement about our solar system true or false?
The largest planet is made mainly of ice. | [
"true",
"false"
] | 1 | Use the data to answer the question below. | true-or false | grade6 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | The table tells you that Jupiter is the largest planet and that Jupiter is made mainly of gas. So, the largest planet is made mainly of gas. | |
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... | Each particle in sample A has more mass than each particle in sample B. The particles in sample A also 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 ... | |
Not supported with pagination yet | Based on this information, what is this rose plant's phenotype for the flower color trait? | [
"dark yellow flowers",
"ff"
] | 0 | In a group of rose plants, some individuals have light yellow flowers and others have dark yellow flowers. In this group, the gene for the flower color trait has two alleles. The allele F is for light yellow flowers, and the allele f is for dark yellow flowers.
A certain rose plant from this group has dark yellow flowe... | closed choice | grade6 | 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 rose plant's observable version of the flower color trait is dark yellow flowers. So, the plant's phenotype for the flower color trait is dark yellow flowers. |
Select the organism in the same species as the North American beaver. | [
"Castor canadensis",
"Castor fiber",
"Polysticta stelleri"
] | 0 | This organism is a North American beaver. Its scientific name is Castor canadensis. | 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 North American beaver's scientific name is Castor canadensis.
Polysticta stelleri does not have the same scientific name as a North American beaver. So, Castor canadensis and Polysticta stelleri are not in the same species.
Castor canadensis is in the same genus as Castor fiber, but they are not in the same species.
... | |
Not supported with pagination yet | Select the one substance that is not a mineral. | [
"Perfume is not a pure substance. It is made by humans.",
"Gypsum is a solid. It is formed in nature.",
"Sphalerite is not made by living things. It is a solid."
] | 0 | closed choice | grade4 | natural science | earth-science | Rocks and minerals | Identify minerals using properties | 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... | Compare the properties of each substance to the properties of minerals. Select the substance whose properties do not match those of minerals.
Gypsum is a mineral.
Perfume is made by humans. But minerals are not made by living things.
Perfume is not a pure substance. But all minerals are pure substances.
So, perfume is ... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
Eating meat can't be wrong. After all, a majority of people in the United States eat meat. | [
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against",
"false causation: the assumption that because two things happened together, one caused the other"
] | 0 | closed choice | grade12 | 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 eating meat must not be wrong because many people eat meat. However, the fact that a practice is widespread does not necessarily make it morally or ethically correct. This illustrates a type of logical fallacy known as the bandwagon fallacy. | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Right after Martina bought the book for her literature class, she dropped it.",
"Right after she bought it, Martina dropped the book for her literature class."
] | 0 | closed choice | grade7 | language science | writing-strategies | Pronouns and antecedents | Identify vague pronoun references | When writing, make sure to avoid vague pronoun references. A vague pronoun reference occurs when a pronoun could refer to more than one possible antecedent.
When Lisa and Kim finally landed, she breathed a sigh of relief.
The pronoun she could refer to either Lisa or Kim, so the meaning of the sentence is unclear.
Vagu... | The first answer choice contains a vague pronoun reference. The pronoun it could refer to the book or the class.
Right after Martina bought the book for her literature class, she dropped it.
The second answer choice shows a possible correction for the vague pronoun reference. The text has been rewritten so that the mea... | |
Select the organism in the same genus as the western crowned pigeon. | [
"Lonicera japonica",
"Hystrix cristata",
"Goura cristata"
] | 2 | This organism is a western crowned pigeon. Its scientific name is Goura cristata. | 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 western crowned pigeon's scientific name is Goura cristata. The first word of its scientific name is Goura.
Hystrix cristata and Goura cristata are not in the same genus.
These organisms are not in the same genus, but part of their scientific names is the same. Hystrix cristata and Goura cristata have the same specie... | |
Not supported with pagination yet | Which is a simple sentence? | [
"If we hike Bright Angel Trail in the Grand Canyon, we won't see Mooney Falls.",
"On a clear, peaceful morning at Rincon Point, Joy paddled out into the surf."
] | 1 | closed choice | grade6 | 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 simple sentence. It is a single independent clause.
On a clear, peaceful morning at Rincon Point, Joy paddled out into the surf. | |
Not supported with pagination yet | Which figure of speech is used in this text?
From forth the fatal loins of these two foes
A pair of star-cross'd lovers take their life.
—William Shakespeare, Romeo and Juliet | [
"onomatopoeia",
"alliteration"
] | 1 | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures of speech: review | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
Alliteration is the repetition of sounds at the beginning of nearby words.
What a lucky little lady you are!
An allusion is a brief reference to something or someone well known, often from his... | The text uses alliteration, the repetition of sounds at the beginning of nearby words.
From forth the fatal loins of these two foes repeats the f sound. | |
Not supported with pagination yet | Select the one substance that is not a mineral. | [
"Chalcopyrite is formed in nature. It is a pure substance.",
"Paint is not a pure substance. It is made in a factory.",
"Graphite is not made by living things. It is formed in nature."
] | 1 | closed choice | grade4 | natural science | earth-science | Rocks and minerals | Identify minerals using properties | 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... | Compare the properties of each substance to the properties of minerals. Select the substance whose properties do not match those of minerals.
Graphite is a mineral.
Paint is made in a factory. But all minerals are formed in nature.
Paint is not a pure substance. But all minerals are pure substances.
So, paint is not a ... | |
What can Percy and Cole trade to each get what they want? | [
"Percy can trade his tomatoes for Cole's broccoli.",
"Cole can trade his broccoli for Percy's oranges.",
"Cole can trade his almonds for Percy's tomatoes.",
"Percy can trade his tomatoes for Cole'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.
Percy and Cole open their lunch boxes in the school cafeteria. Neither Percy nor Cole got everything that they wanted. The table ... | closed choice | grade8 | social science | economics | Basic economic principles | Trade and specialization | Look at the table and images.
Percy wants broccoli. Cole 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? | [
"Solomon Islands",
"Tonga",
"Tuvalu",
"Fiji"
] | 3 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Fiji. | |||
Not supported with pagination yet | Which is a simple sentence? | [
"Every morning my alarm clock wakes me at six o'clock.",
"Dad took the last chair, so you will have to stand."
] | 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 simple sentence. It has one subject and predicate.
Every morning my alarm clock wakes me at six o'clock. | |
Not supported with pagination yet | Complete the statement.
Hydrogen chloride is (). | [
"a compound",
"an elementary substance"
] | 0 | Hydrogen chloride is part of the liquid in your stomach that helps digest food. The chemical formula for hydrogen chloride is HCl. | closed choice | grade8 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using chemical formulas | There are more than 100 different chemical elements, or types of atoms. Chemical elements make up all of the substances around you.
A substance may be composed of one chemical element or multiple chemical elements. Substances that are composed of only one chemical element are elementary substances. Substances that are ... | You can tell whether hydrogen chloride is an elementary substance or a compound by counting the number of atomic symbols in its chemical formula. An atomic symbol consists of either one capital letter or a capital letter followed by one or two lowercase letters.
The chemical formula for hydrogen chloride, HCl, contains... |
Which of these states is farthest west? | [
"Massachusetts",
"Kentucky",
"Maine",
"North Carolina"
] | 1 | 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. Kentucky is farthest west. | ||
Look at the models of molecules below. Select the elementary substance. | [
"fluoromethanol",
"ozone",
"carbon tetrachloride"
] | 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 ... | |||
Select the amphibian below. | [
"African bullfrog",
"barn owl"
] | 0 | Amphibians have moist skin and begin their lives in water. A European green toad 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. | 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 barn owl is a bird. It has feathers, two wings, and a beak.
Barn owls live on every continent except Antarctica. | |
Which ocean is highlighted? | [
"the Arctic Ocean",
"the Southern Ocean",
"the Pacific Ocean",
"the Atlantic Ocean"
] | 2 | 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 Pacific Ocean. | ||
Which specific humidity level was measured within the outlined area shown? | [
"22 grams of water vapor per kilogram of air",
"11 grams of water vapor per kilogram of air",
"16 grams of water vapor per kilogram of air"
] | 0 | The map below shows humidity in the lower atmosphere on April 9, 2016. The map shows specific humidity, a measurement of the amount of water vapor in the air. The outlined area shows an air mass that influenced weather in Africa on that day.
Look at the map. Then, answer the question below.
Data source: United States N... | closed choice | grade7 | natural science | earth-science | Weather and climate | Identify and compare air masses | To study air masses, scientists can use maps that show conditions within Earth's atmosphere. For example, the map below uses color to show specific humidity, a measurement of the amount of water vapor in the air.
The map's legend tells you the specific humidity level that each color represents. Colors on the left in th... | Look at the colors shown within the outlined area. Then, use the legend to determine which specific humidity levels those colors represent.
The legend tells you that this air mass contained air with specific humidity levels between 20 and 24 grams of water vapor per kilogram of air.
22 grams of water vapor per kilogram... | |
Not supported with pagination yet | What is the mass of an ear of corn? | [
"16 ounces",
"16 tons",
"16 pounds"
] | 0 | Select the best estimate. | closed choice | grade5 | 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 ear of corn is 16 ounces.
16 pounds and 16 tons are both too heavy. |
Not supported with pagination yet | Using only these supplies, which question can Logan investigate with an experiment? | [
"Does a big toy car go down the wooden ramp faster than a small toy car?",
"Do toy cars go faster down the ramp made of wood or the ramp made of cardboard?",
"Do toy cars with plastic wheels go faster down the cardboard ramp than toy cars with metal wheels?"
] | 1 | Logan and his sister are building ramps to race their toy cars down. Logan notices that the cars go down some of the ramps faster than others. He wonders what factors affect the cars' speed. So, he decides to design an experiment. He has the following supplies available:
two identical toy cars
a wooden ramp three feet ... | 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 | Does this passage describe the weather or the climate?
Hanson enjoys the cool evening breezes that are common on summer evenings where he lives. | [
"weather",
"climate"
] | 1 | Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. | closed choice | grade4 | natural science | earth-science | Weather and climate | What's the difference between weather and climate? | The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere.
Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day.
Climate is the pattern of ... | Read the text carefully.
Hanson enjoys the cool evening breezes that are common on summer evenings where he lives.
This passage tells you about the usual wind patterns where Hanson lives. It does not describe what the weather is like on a particular day. So, this passage describes the climate. |
Not supported with pagination yet | What does the euphemism in this text suggest?
William is big-boned, so despite being in middle school, he often shops in the men's department. | [
"William is tall for his age.",
"William is overweight."
] | 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.
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. | The text uses a euphemism, a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The euphemism big-boned suggests that William is overweight. | |
Not supported with pagination yet | Based on this information, what is Flash's phenotype for the horns trait? | [
"HH",
"not having horns"
] | 1 | 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.
Flash, a cow from this group, does not have horns. Flash 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. Flash's observable version of the horns trait is not having horns. So, Flash's phenotype for the horns trait is not having horns. |
Not supported with pagination yet | What is the source of the allusion in the sentence below?
By the time Sarah had finished explaining to Mr. Kramer what had happened, her friends were laughingly referring to her as Scheherazade. | [
"ancient legend",
"the Bible"
] | 0 | closed choice | grade9 | 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 Scheherazade is ancient legend.
The Arabian Nights presents the ancient legend of how Scheherazade successfully postpones her imminent death by mesmerizing her captor with a thousand and one fascinating tales.
The allusion Scheherazade means a person who uses his or her arts to distract someo... | |
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. | |
Which bird's beak is also adapted to get nectar out of long flowers? | [
"common nighthawk",
"green violetear"
] | 1 | Purple honeycreepers live in the forests of South America. The shape of the 's beak is adapted to get nectar out of long flowers.
Figure: purple honeycreeper. | closed choice | grade4 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of a bird's beak is one example of an adaptation. Birds' beaks can be adapted in different ways. For example, a sharp hooked beak might help a bird tear through meat easily. ... | Look at the picture of the purple honeycreeper.
The purple honeycreeper has a long, thin beak. Its beak is adapted to get nectar out of long flowers. The purple honeycreeper's long, thin beak can reach deep into the flowers.
Now look at each bird. Figure out which bird has a similar adaptation.
The green violetear has ... | |
Is the following statement about our solar system true or false?
The four largest planets are made mainly of gas or ice. | [
"true",
"false"
] | 0 | Use the data to answer the question below. | true-or false | grade8 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice.
The volume of a planet is a very large quantity. Large quantities such as this are often written in scientific notation.
For ex... | To decide which four planets are the largest, look at the volumes and compare the exponents. The volumes of Jupiter, Saturn, Uranus, and Neptune have the largest exponents. So, these four planets are the largest.
Jupiter and Saturn are made mainly of gas. Uranus and Neptune are made mainly of ice. So, the four largest ... | |
Which is this organism's scientific name? | [
"Carassius auratus",
"goldfish"
] | 0 | This organism is a goldfish. It is also called Carassius auratus. | closed choice | grade5 | natural science | biology | Scientific names | Identify common and scientific names | An organism's common name is the name that people normally call the organism. Common names often contain words you know.
An organism's scientific name is the name scientists use to identify the organism. Scientific names often contain words that are not used in everyday English.
Scientific names are written in italics,... | Carassius auratus is written in italics. The first word is capitalized, and the second word is not.
So, Carassius auratus is the scientific name. | |
Which i in row A? | [
"the theater",
"the police department",
"the fast-food restaurant",
"the fire department"
] | 1 | 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 police department is in row A. | ||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | 2 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. | closed choice | grade6 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the ... | |
Select the organism in the same genus as the small-mouth salamander. | [
"Lissotriton helveticus",
"Ambystoma texanum",
"Lissotriton vulgaris"
] | 1 | This organism is a small-mouth salamander. Its scientific name is Ambystoma texanum. | 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 small-mouth salamander's scientific name is Ambystoma texanum. The first word of its scientific name is Ambystoma.
Lissotriton helveticus is in the genus Lissotriton. The first word of its scientific name is Lissotriton. So, Lissotriton helveticus and Ambystoma texanum are not in the same genus.
This organism and the... | |
What is the name of the colony shown? | [
"South Carolina",
"North Carolina",
"Virginia",
"Florida"
] | 0 | closed choice | grade7 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is South Carolina. | |||
What is the capital of Maryland? | [
"Boston",
"Omaha",
"Dover",
"Annapolis"
] | 3 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Annapolis is the capital of Maryland. | |||
What can Kayla and Janet trade to each get what they want? | [
"Kayla can trade her tomatoes for Janet's carrots.",
"Kayla can trade her tomatoes for Janet's broccoli.",
"Janet can trade her broccoli for Kayla's oranges.",
"Janet can trade her almonds for Kayla's tomatoes."
] | 1 | 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.
Kayla and Janet open their lunch boxes in the school cafeteria. Neither Kayla nor Janet 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.
Kayla wants broccoli. Janet 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 of these states is farthest east? | [
"Kansas",
"Minnesota",
"Connecticut",
"Maine"
] | 3 | closed choice | grade5 | social science | geography | Maps | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the east arrow is pointing. Maine is farthest east. | ||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
Bobby spoke at the city council meeting, claiming the new recycling regulations were draconian. | [
"a fairy tale",
"Greek history"
] | 1 | closed choice | grade9 | 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 draconian is Greek history.
Draco, a government official in seventh-century Athens, Greece, wrote a code of laws that called for severe punishments for even minor offenses.
The allusion draconian means harsh. | |
Which property do these four objects have in common? | [
"fuzzy",
"stretchy",
"slippery"
] | 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 slippery object is hard to hold onto or stand on. The yarn pom pom and the tennis ball are not slippery.
A fuzzy object is covered in soft hair. All four objects are fuzzy.
A stretchy object gets longer when you pull on it. The socks are stretchy, ... | |
Not supported with pagination yet | What kind of sentence is this?
Roger is the best cook I know! | [
"interrogative",
"exclamatory"
] | 1 | closed choice | grade4 | language science | punctuation | Sentences, fragments, and run-ons | Is the sentence declarative, interrogative, imperative, or exclamatory? | There are four kinds of sentences.
A declarative sentence is a statement. It tells about something. A declarative sentence always ends with a period.
I have an older brother and a younger sister.
An interrogative sentence is a question. It asks something. An interrogative sentence always ends with a question mark.
How ... | The sentence tells about something, but it shows strong feeling and ends with an exclamation point. It is an exclamatory sentence. | |
Is the following statement about our solar system true or false?
The four largest planets are made mainly of gas or ice. | [
"false",
"true"
] | 1 | Use the data to answer the question below. | true-or false | grade8 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice.
The volume of a planet is a very large quantity. Large quantities such as this are often written in scientific notation.
For ex... | To decide which four planets are the largest, look at the volumes and compare the exponents. The volumes of Jupiter, Saturn, Uranus, and Neptune have the largest exponents. So, these four planets are the largest.
Jupiter and Saturn are made mainly of gas. Uranus and Neptune are made mainly of ice. So, the four largest ... | |
Not supported with pagination yet | Which tense does the sentence use?
Mrs. Murphy will reply to Grayson's question about space. | [
"past tense",
"future tense",
"present tense"
] | 1 | closed choice | grade3 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in future tense. You can tell because it uses will before the main verb, reply. The verb tells you about something that is going to happen. | |
Which state is highlighted? | [
"Colorado",
"Washington",
"Nevada",
"Idaho"
] | 2 | closed choice | grade5 | social science | geography | States | Identify the 50 states | This state is Nevada. | |||
Not supported with pagination yet | Which tense does the sentence use?
Dad will sew a patch on my pants. | [
"present tense",
"past tense",
"future tense"
] | 2 | closed choice | grade5 | language science | verbs | Verb tense | Is the sentence in the past, present, or future tense? | Present tense verbs tell you about something that is happening now.
Most present-tense verbs are regular. They have no ending, or they end in -s or -es.
Two verbs are irregular in the present tense, to be and to have. You must remember their forms.
Past tense verbs tell you about something that has already happened.
Mo... | The sentence is in future tense. You can tell because it uses will before the main verb, sew. The verb tells you about something that is going to happen. | |
Which of the following could Dustin's test show? | [
"how steady a parachute with a 1 m vent was at 200 km per hour",
"if the spacecraft was damaged when using a parachute with a 1 m vent going 200 km per hour",
"whether a parachute with a 1 m vent would swing too much at 400 km per hour"
] | 0 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | 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 of these states is farthest south? | [
"North Dakota",
"Washington",
"Ohio",
"New Hampshire"
] | 2 | closed choice | grade2 | social science | geography | Geography | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the south arrow is pointing. Ohio is farthest south. | ||
Which air temperature was measured within the outlined area shown? | [
"3°C",
"-17°C",
"-4°C"
] | 1 | The map below shows air temperatures in the lower atmosphere on April 19, 2016. The outlined area shows an air mass that influenced weather in North America on that day.
Look at the map. Then, answer the question below.
Data source: United States National Oceanic and Atmospheric Administration/Earth System Research Lab... | 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.
15°C.
-17°C is within this range.
-4°C and 3°C are outside of this range. | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The Moon is pushing on Earth.",
"The Moon is pulling on Earth."
] | 1 | Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
Earth is pulling on the Moon. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | Earth is pulling on the Moon. So, Newton's third law tells you that the Moon is pulling on Earth. |
Not supported with pagination yet | Would you find the word snout on a dictionary page with the following guide words?
sheep - spoil | [
"no",
"yes"
] | 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 snout is between the guide words sheep - spoil, it would be found on that page. | |
Not supported with pagination yet | Which correctly shows the title of a book? | [
"\"The Trumpet of the Swan\"",
"***The Trumpet of the Swan***"
] | 1 | closed choice | grade6 | 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 book should be in italics.
The correct title is **The Trumpet of the Swan**. | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | 2 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade5 | natural science | physics | Magnets | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 1 attract. The magnets in Pair 2 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Distance affects the magnitude of the magnetic force. When there is a greater distance between magnets, the magni... | |
Not supported with pagination yet | Which figure of speech is used in this text?
Tara's Bistro used to be a great place to go for a delicious and carefully prepared dinner, but nobody goes there anymore: it's too crowded. | [
"oxymoron",
"paradox"
] | 1 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses a paradox, a statement that might at first appear to be contradictory, but that may in fact contain some truth.
Nobody goes there anymore: it's too crowded at first appears to be contradictory, because if no one goes to the restaurant, then the restaurant should be empty, not crowded. However, it contains... | |
Not supported with pagination yet | Which greeting is correct for a letter? | [
"Dear Grandma Leah,",
"Dear grandma Leah,"
] | 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 greeting is correct:
Its first word is capitalized, and it ends with a comma. Grandma Leah is capitalized because it is a proper noun. | |
What can Abdul and Elise trade to each get what they want? | [
"Abdul can trade his tomatoes for Elise's carrots.",
"Elise can trade her broccoli for Abdul's oranges.",
"Elise can trade her almonds for Abdul's tomatoes.",
"Abdul can trade his tomatoes for Elise'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.
Abdul and Elise open their lunch boxes in the school cafeteria. Neither Abdul nor Elise 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.
Abdul wants broccoli. Elise 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. | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
You may be impressed by Senator Murphy's work with low-income communities, but the fact remains that he graduated from an elite university. He couldn't possibly empathize with low-income constituents. | [
"hasty generalization: a broad claim based on too few observations",
"bandwagon fallacy: the assumption that the popular choice is automatically correct",
"guilt by association: a negative association intended to discredit someone or something"
] | 2 | closed choice | grade11 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that Senator Murphy can't empathize with his low-income constituents because he went to an elite university. However, going to an elite university doesn't necessarily mean you're out of touch. This illustrates a type of logical fallacy known as guilt by association. | |
Not supported with pagination yet | What information supports the conclusion that Quincy acquired this trait? | [
"Quincy's friend showed him how to ride a bicycle.",
"Quincy and his mother both ride bicycles.",
"Quincy rides his bicycle to school."
] | 0 | Read the description of a trait.
Quincy can ride a bicycle. | 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 | Select the vertebrate. | [
"woodpecker",
"castor bean tick",
"grasshopper",
"red-spotted purple butterfly"
] | 0 | Hint: Mammals, birds, fish, reptiles, and amphibians are vertebrates. | closed choice | grade4 | natural science | biology | Classification | Identify vertebrates and invertebrates | Vertebrates and invertebrates are both groups of animals.
A vertebrate has a backbone. The backbone is made of many bones in an animal's back. A vertebrate's backbone helps connect the different parts of its body. In the drawings below, each vertebrate's backbone is colored orange.
An invertebrate does not have a backb... | A woodpecker is a bird. Like other birds, a woodpecker is a vertebrate. It has a backbone.
A grasshopper is an insect. Like other insects, a grasshopper is an invertebrate. It does not have a backbone. It has an exoskeleton.
A red-spotted purple butterfly is an insect. Like other insects, a red-spotted purple butterfly... |
What is the capital of Rhode Island? | [
"Newport",
"Augusta",
"Providence",
"Carson City"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the Northeast | Providence is the capital of Rhode Island. | |||
Which of these continents does the prime meridian intersect? | [
"South America",
"Africa",
"Asia"
] | 1 | closed choice | grade5 | social science | geography | Maps | Use lines of latitude and longitude | Lines of latitude and lines of longitude are imaginary lines drawn on some globes and maps. They can help you find places on globes and maps.
Lines of latitude show how far north or south a place is. We use units called degrees to describe how far a place is from the equator. The equator is the line located at 0° latit... | The prime meridian is the line at 0° longitude. It intersects Africa. It does not intersect South America or Asia. | ||
What is the expected ratio of offspring with green body feathers to offspring with blue body feathers? Choose the most likely ratio. | [
"2:2",
"0:4",
"1:3",
"3:1",
"4:0"
] | 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 blue body feathers (b) is recessive to the allele for green body feathers (B).
This Punnett square shows a cross betw... | closed choice | grade8 | natural science | biology | Genes to traits | Use Punnett squares to calculate ratios of offspring types | Offspring phenotypes: dominant or recessive?
How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a... | To determine how many boxes in the Punnett square represent offspring with green body feathers or blue body feathers, consider whether each phenotype is the dominant or recessive allele's version of the body feather color trait. The question tells you that the b allele, which is for blue body feathers, is recessive to ... | |
Not supported with pagination yet | What does the idiom in this text suggest?
In such an unfamiliar environment, Dirk was a fish out of water. | [
"Dirk felt out of place.",
"Dirk had not visited that location before."
] | 0 | closed choice | grade7 | language science | figurative-language | Literary devices | Interpret figures of speech | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
An idiom is an expression that cannot be understood literally. Its meaning must be learned.
The assignment was a piece of cake. | The text uses an idiom, an expression that cannot be understood literally.
The idiom a fish out of water suggests that Dirk felt out of place. A fish out of water is someone out of his or her usual, comfortable environment. | |
Which continent is highlighted? | [
"Antarctica",
"North America",
"South America",
"Europe"
] | 2 | 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 South America. | ||
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. | |
Not supported with pagination yet | What do these two changes have in common?
mixing sand and water
a sidewalk heating up in the sun | [
"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.
Mixing sand and water is a physical change. Adding water makes the sand wet. But both the sand and water are still made of the same type of matter as before.
A sidewalk heating up in the sun is a physical change. The temperature of the sidewalk goes up, but the sidewalk is still made of... | |
Not supported with pagination yet | Suppose Isabelle decides to see the storks. Which result would be a cost? | [
"Isabelle will enjoy seeing the storks more than she would have enjoyed seeing the cranes.",
"Isabelle will spend more time walking to the storks. They are on the other side of the zoo, but the cranes are close by."
] | 1 | Isabelle is deciding whether to see the storks or the cranes at the zoo. She wants to see lots of animals, but the zoo is closing soon. | 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 Isabelle wants or needs:
Isabelle will spend more time walking to the storks. They are on the other side of the zoo, but the cranes are close by. |
Not supported with pagination yet | Complete the statement.
During this chemical reaction, the solution becomes (). | [
"colder",
"warmer"
] | 0 | When a chemical reaction absorbs or releases thermal energy, the reaction causes a change in temperature. Read the passage about a chemical reaction that absorbs or releases thermal energy. Then, follow the instructions below.
Pickling is used to prevent foods such as meat and vegetables from spoiling too soon. Food th... | closed choice | grade6 | natural science | chemistry | Chemical reactions | Describe energy changes in chemical reactions | During a chemical reaction, thermal energy is absorbed or released as heat. This transfer of thermal energy changes the temperature of the reaction's surroundings. The surroundings are everything around the reaction, such as the solution that the reaction takes place in or the air nearby.
Some reactions release thermal... | To determine whether the solution becomes warmer or colder, look for the text that describes the movement of thermal energy during the reaction.Pickling is used to prevent foods such as meat and vegetables from spoiling too soon. Food that has been pickled may remain edible for more than a year! One type of pickling in... |
Not supported with pagination yet | What is the volume of a blender? | [
"2 milliliters",
"2 liters"
] | 1 | Select the better estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose metric units of volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Volume is a measurement of how much space something takes up.
There are many different units of volume. When you are using metric units, volume may be written in units of milliliters or liters.... | The better estimate for the volume of a blender is 2 liters.
2 milliliters is too little. |
Which of these cities is marked on the map? | [
"Salt Lake City",
"San Jose",
"Los Angeles",
"Portland"
] | 3 | closed choice | grade5 | social science | geography | Cities | Cities of the West | The city is Portland, Oregon. Salt Lake City, San Jose, and Los Angeles are marked with gray circles on the map below. | |||
Not supported with pagination yet | Which change better matches the sentence?
A part of Earth's surface shakes. | [
"earthquake",
"erosion"
] | 0 | closed choice | grade2 | natural science | earth-science | Earth events | Classify changes to Earth's surface | |||
Not supported with pagination yet | What is the source of the allusion in the sentence below?
When it comes to starting new businesses, Kinsley seems to have a Midas touch. | [
"the Bible",
"Greek mythology"
] | 1 | closed choice | grade9 | 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 Midas is Greek mythology.
In Greek mythology, King Midas is granted his wish that everything he touches turn to gold.
The allusion Midas means fortunate. | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 0 | Two magnets are placed as shown.
Hint: Magnets that attract pull together. Magnets that repel push apart. | closed choice | grade2 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south.
Here are some examples of magnets.... | Will these magnets attract or repel? To find out, look at which poles are closest to each other.
The 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. | |
Not supported with pagination yet | What information supports the conclusion that Sidney acquired this trait? | [
"Sidney is most interested in American history.",
"Sidney learned history by reading."
] | 1 | Read the description of a trait.
Sidney 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.... | |
Not supported with pagination yet | How long is a hiking trail? | [
"6 centimeters",
"6 kilometers"
] | 1 | Select the better estimate. | closed choice | grade3 | natural science | units-and-measurement | Units and measurement | Choose metric 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 16 long. You might be thinking, 16 what? Is the pencil 16 centimeters long? 16 meters? 16 kilometers?
The number 16 on its own does not give you much informa... | The better estimate for the length of a hiking trail is 6 kilometers.
6 centimeters is too short. |
Not supported with pagination yet | What is the volume of a bowl of soup? | [
"8 gallons",
"8 cups",
"8 fluid ounces"
] | 2 | Select the best estimate. | closed choice | grade5 | natural science | units-and-measurement | Units and measurement | Choose customary 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 customary units, volume may be written in units of fluid ounces, cups,... | The best estimate for the volume of a bowl of soup is 8 fluid ounces.
8 cups and 8 gallons are both too much. |
Not supported with pagination yet | Based on the passage, what was the Protestant Reformation? | [
"a war fought between Catholics in northern and western Europe",
"a movement demanding that the Catholic Church change some of its practices",
"a period when people asked Protestant churches to reform their teachings",
"a conflict between Protestants and people who separated from the Catholic Church"
] | 1 | The Protestant Reformation, often called the Reformation, was an important period in European history. Read the following description of the Reformation. Then answer the question below.
Before the 1500s, most people in northern and western Europe followed a Christian religion called Roman Catholicism. The leader of the... | closed choice | grade7 | social science | world-history | Early Modern Europe | The Reformation | The Protestant Reformation was a movement demanding that the Catholic Church reform, or change, some of its practices. Catholic leaders were asked to reform, or change, what they were teaching and how they led the Catholic community. Choice "a period when people asked Protestant churches to reform their teachings" is i... | |
Not supported with pagination yet | Each bus takes the same amount of time to stop. Which school bus needs a larger force to come to a stop? | [
"a school bus carrying 700 pounds",
"a school bus carrying 500 pounds"
] | 0 | Kids from two different schools are riding their school buses home. The buses are the same. They are going the same speed. But different numbers of kids are riding in each bus. | closed choice | grade2 | natural science | physics | Force and motion | How do mass and force affect motion? | A force is a push or a pull.
A force can make an object start moving or stop an object that is moving. A force can also make an object speed up, slow down, or change direction.
Forces can be different sizes.
Think about trying to move a heavy object and a light object. Imagine you want to move them at the same speed. Y... | Look for the school bus that is heavier.
A school bus carrying 700 pounds is heavier than a school bus carrying 500 pounds. So, the school bus carrying 700 pounds needs a larger force to come to a stop in the same amount of time as the other bus. |
Not supported with pagination yet | How long is a basketball court? | [
"27 meters",
"27 millimeters",
"27 centimeters",
"27 kilometers"
] | 0 | Select the best estimate. | closed choice | grade6 | natural science | units-and-measurement | Units and measurement | Choose metric units of distance, mass, and volume | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
When you are using metric units, length can be written with units of millimeters, centimeters, meters, or kilometers. One meter contains 100 centimeters or 1,000 millimeters. So, 1 meter is lar... | The best estimate for the length of a basketball court is 27 meters.
27 millimeters and 27 centimeters are too short. 27 kilometers is too long. |
Not supported with pagination yet | Using only these supplies, which question can Steven investigate with an experiment? | [
"Does a big toy car go down the wooden ramp faster than a small toy car?",
"Do toy cars go faster down the ramp made of wood or the ramp made of cardboard?",
"Do toy cars with plastic wheels go faster down the cardboard ramp than toy cars with metal wheels?"
] | 1 | Steven and his sister are building ramps to race their toy cars down. Steven notices that the cars go down some of the ramps faster than others. He wonders what factors affect the cars' speed. So, he decides to design an experiment. He has the following supplies available:
two identical toy cars
a wooden ramp three fee... | 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... | |
Which solution has a higher concentration of blue particles? | [
"Solution A",
"Solution B",
"neither; their concentrations are the same"
] | 1 | 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.
... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 2 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | closed choice | grade7 | natural science | physics | Velocity, acceleration, and forces | Compare magnitudes of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces.
The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,... | The magnets in Pair 2 attract. The magnets in Pair 1 repel. But whether the magnets attract or repel affects only the direction of the magnetic force. It does not affect the magnitude of the magnetic force.
Distance affects the magnitude of the magnetic force. When there is a smaller distance between magnets, the magni... | |
Not supported with pagination yet | According to Newton's third law, what other force must be happening? | [
"The hockey puck is pulling on the hockey stick.",
"The hockey puck is pushing on the hockey stick."
] | 1 | Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
A hockey stick is pushing on a hockey puck. | closed choice | grade8 | natural science | physics | Velocity, acceleration, and forces | Predict forces using Newton's third law | According to Newton's third law, for every force, there is an equal and opposite force. This means that if one object is applying a force on a second object, the second object must also be applying a force on the first object, but in the opposite direction.
For example, if your hand is pushing down on a table, the tabl... | The hockey stick is pushing on the hockey puck. So, Newton's third law tells you that the hockey puck is pushing on the hockey stick. |
Which continent is highlighted? | [
"Europe",
"Asia",
"Africa",
"North America"
] | 1 | closed choice | grade8 | social science | geography | Physical Geography | Oceans and continents | A continent is one of the major land masses on the earth. Most people say there are seven continents. | This continent is Asia. |
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.