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Which of these organisms contains matter that was once part of the bilberry? | [
"lichen",
"bear sedge",
"barren-ground caribou",
"parasitic jaeger"
] | 3 | Below is a food web from a tundra ecosystem in Nunavut, a territory in Northern Canada.
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 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 bilberry.
The only arrow pointing to the barren-ground caribou starts from the lichen. The lichen does not have any arrows pointing to it. So, in this food web, matter does not move... | |
Which country is highlighted? | [
"the Federated States of Micronesia",
"Solomon Islands",
"Palau",
"Samoa"
] | 2 | closed choice | grade8 | social science | geography | Oceania: geography | Identify and select countries of Oceania | This country is Palau. | |||
Not supported with pagination yet | Would you find the word running on a dictionary page with the following guide words?
rapidly - resign | [
"no",
"yes"
] | 0 | yes or no | grade8 | language science | reference-skills | Reference skills | Use guide words | Guide words appear on each page of a dictionary. They tell you the first word and last word on the page. The other words on the page come between the guide words in alphabetical order.
To put words in alphabetical order, put them in order by their first letters. If the first letters are the same, look at the second let... | Put the words in alphabetical order.
Since running is not between the guide words rapidly - resign, it would not be found on that page. | |
Not supported with pagination yet | Select the one animal that has all of the bony fish traits listed above. | [
"Common snapping turtles hatch from eggs with shells. They have powerful beaks. When a snapping turtle is threatened by a predator, it snaps its beak! Snapping turtles have scaly, waterproof skin.",
"Common carp have a bony skeleton and lay eggs without shells. A single carp can lay over a million eggs per year! ... | 1 | Bony fish are a group of animals with similar traits. The following traits can be used to identify bony fish:
They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells. Observe the animals and read the descriptions. | closed choice | grade5 | natural science | biology | Classification | Use evidence to classify animals | Scientists sort animals with similar traits into groups. This is called classification. Classification helps scientists learn about how animals live.
How do scientists classify animals? First, they make observations about an animal. Scientists observe the animal's traits, including its body parts and behavior. Then, sc... | To decide if an animal is part of a group, look at the traits of the group.
Bony fish have the following traits:
They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells.
Compare each animal's traits to the group's traits. Select the animal with traits simil... |
What is the capital of Iowa? | [
"Des Moines",
"Davenport",
"Cedar Rapids",
"Springfield"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Midwest | Des Moines is the capital of Iowa. | |||
Not supported with pagination yet | Which is harder? | [
"rope",
"ice cube"
] | 1 | closed choice | grade2 | natural science | physics | Materials | Compare properties of materials | Every object is made of one or more materials. A material is a type of matter. Wood, glass, metal, and plastic are common materials.
A material has different properties. A material's properties tell you how it looks, feels, tastes, or smells. | Hard is a property. A hard material keeps its shape when you press on it with your finger.
Look at each picture, one at a time. Imagine pushing on the material shown in each picture.
Of the choices, the ice cube is harder. If you squeeze an ice cube, it will not change shape, unless it starts to melt! | |
What is the capital of Montana? | [
"Missoula",
"Cheyenne",
"Helena",
"Billings"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the West | Helena is the capital of Montana. | |||
During this time, thermal energy was transferred from () to (). | [
"each salmon . . . the surroundings",
"the surroundings . . . each salmon"
] | 1 | Edwin lit the charcoal in his grill to cook two identical salmon. He put one fish on the left half of the grill and one fish on the right half of the grill. This table shows how the temperature of each salmon changed over 6minutes. | closed choice | grade7 | 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 salmon increased, which means that the thermal energy of each salmon increased. So, thermal energy was transferred from the surroundings to each salmon. | |
Not supported with pagination yet | Which is a compound sentence? | [
"According to many scholars, the 1798 publication of Lyrical Ballads by Samuel Taylor Coleridge and William Wordsworth began the romantic period in English literature.",
"On the ferry to Ellis Island, Eve took a photograph, and now it's sitting in a frame on her dresser at home."
] | 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 compound sentence. It is made up of two independent clauses joined by the coordinating conjunction and.
On the ferry to Ellis Island, Eve took a photograph, and now it's sitting in a frame on her dresser at home. | |
Not supported with pagination yet | Complete the sentences.
The Sixth Amendment talks about criminal trials. It says that all criminal trials must be speedy and public. It also says that anyone accused of a crime has the right to (). | [
"stay at home during his or her trial",
"pick his or her own judge",
"lie to the court",
"get help from a lawyer"
] | 3 | closed choice | grade4 | social science | civics | Government | The Bill of Rights | The Sixth Amendment says that all criminal trials must be speedy and public. It also says that anyone accused of a crime has the right to get help from a lawyer. A lawyer is a person trained in the law. If someone cannot afford to hire a lawyer, the government will pay for one. Usually these lawyers are called public d... | ||
Which animal's feet are also adapted to walk on snow and ice? | [
"tokay gecko",
"polar bear"
] | 1 | Snow leopards live in the snowy mountains of central Asia. The 's feet are adapted for walking on snow and ice.
Figure: snow leopard. | closed choice | grade5 | 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 snow leopard.
The snow leopard has furry feet with large pads. Its feet are adapted to walk on snow and ice. The fur can help keep the snow leopard's feet warm. The large pads help spread its weight over a larger area. This allows it to walk on ice without slipping and to walk on snow without... | |
Which of the following could Matt's test show? | [
"the amount of bacteria in the water before it was filtered",
"whether an inexpensive filter would become clogged more often",
"whether the filter was clogged"
] | 2 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Is the following statement about our solar system true or false?
Jupiter's volume is more than 1,000 times as great as Earth's volume. | [
"true",
"false"
] | 0 | Use the data to answer the question below. | true-or false | grade6 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | To determine if this statement is true, calculate the value of 1,000 times the volume of Earth.
Then compare the result to the volume of Jupiter. Jupiter's volume is 1,431,280 billion km^3, which is more than 1,090,000 billion km^3. So, Jupiter's volume is more than 1,000 times as great as Earth's volume. | |
Not supported with pagination yet | Which object has the least thermal energy? | [
"a stick of butter at a temperature of 60°F",
"a stick of butter at a temperature of 49°F",
"a stick of butter at a temperature of 43°F"
] | 2 | The objects are identical except for their temperatures. | closed choice | grade4 | natural science | physics | Heat and thermal energy | How is temperature related to thermal energy? | All solids, liquids, and gases are made of matter. Matter is made up of tiny particles that are always moving. The energy from the motion of these particles is called thermal energy.
Temperature measures how hot or cold matter is. If the particles in matter slow down, the temperature goes down. The matter now has both ... | All three sticks of butter have the same mass but different temperatures. Since the 43°F stick of butter is the coldest, it has the least thermal energy. |
Which statement describes the Great Basin Desert ecosystem? | [
"It has warm summers and mild winters.",
"It has long, cold winters.",
"It has a medium amount of rain."
] | 1 | Figure: Great Basin Desert.
The Great Basin Desert is a cold desert ecosystem in the western United States that covers much of Nevada. This desert also covers parts of Utah, California, and Idaho. | closed choice | grade5 | 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 cold desert is a type of ecosystem. Cold deserts have the following features: a small amount of rain or snow, dry, thin soil, and long, cold winters. So, the following statement describes the Great Basin Desert ecosystem: a small amount of rain or snow, dry, thin soil, and long, cold winters. It has long, cold winter... | |
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 the two samples has the same mass, but the particles in sample B have a higher average speed than the particles in sample A. So, the particles in sample B have a higher average kinetic energy than the particles in sample A.
Because the particles in sample B have the higher average kinetic energy, sampl... | |
What can Isaiah and Jeanette trade to each get what they want? | [
"Jeanette can trade her broccoli for Isaiah's oranges.",
"Isaiah can trade his tomatoes for Jeanette's broccoli.",
"Isaiah can trade his tomatoes for Jeanette's sandwich.",
"Jeanette can trade her almonds for Isaiah'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.
Isaiah and Jeanette open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Isaiah want... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Isaiah wanted broccoli in his lunch and Jeanette was hoping for tomatoes. Look at the labeled part of the images.
Isaiah has tomatoes. Jeanette has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
Not supported with pagination yet | Compare the motion of two blue whales. Which blue whale was moving at a lower speed? | [
"a blue whale that moved 55miles in 5hours",
"a blue whale that moved 50miles in 5hours"
] | 1 | closed choice | grade2 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects movi... | Look at the distance each blue whale moved and the time it took to move that distance.
One blue whale moved 50 miles in 5 hours.
The other blue whale moved 55 miles in 5 hours.
Notice that each blue whale spent the same amount of time moving. The blue whale that moved 50 miles moved a shorter distance in that time. So,... | |
Complete the statement.
Fluoromethane is (). | [
"a compound",
"an elementary substance"
] | 0 | The model below represents a molecule of fluoromethane. Fluoromethane can be used in the part of a refrigerator that keeps the temperature low. | closed choice | grade7 | natural science | chemistry | Atoms and molecules | Classify 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 ... | Use the model to determine whether fluoromethane is an elementary substance or a compound.
Step 1: Interpret the model.
.
Use the legend to determine the chemical element represented by each color. The colors and atomic symbols from the legend are shown in the table below. The table also includes the names of the chemi... | |
What is the capital of South Carolina? | [
"Jackson",
"Charleston",
"Columbia",
"Trenton"
] | 2 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Southeast | Columbia is the capital of South Carolina. | |||
Not supported with pagination yet | Compare the motion of three cars. Which car was moving at the lowest speed? | [
"a car that moved 210miles west in 5hours",
"a car that moved 160miles north in 5hours",
"a car that moved 225miles south in 5hours"
] | 1 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects moving f... | Look at the distance each car moved and the time it took to move that distance. The direction each car moved does not affect its speed.
Notice that each car moved for 5 hours. The car that moved 160 miles moved the shortest distance in that time. So, that car must have moved at the lowest speed. | |
Not supported with pagination yet | Which correctly shows the title of a book? | [
"I Took the Moon for a Walk",
"I Took the moon for a Walk"
] | 0 | closed choice | grade4 | language science | capitalization | Formatting | Capitalizing titles | In a title, capitalize the first word, the last word, and every important word in between.
The Wind in the Willows James and the Giant Peach
These words are not important in titles:
Articles, a, an, the
Short prepositions, such as at, by, for, in, of, on, to, up
Coordinating conjunctions, such as and, but, or | Capitalize the first word, the last word, and every important word in between. The words the, for, and a are not important, so they should not be capitalized.
The correct title is I Took the Moon for a Walk. | |
What is the probability that a budgerigar parakeet produced by this cross will be heterozygous for the body feather color gene? | [
"0/4",
"2/4",
"3/4",
"1/4",
"4/4"
] | 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 probabilities of offspring types | Offspring genotypes: homozygous or heterozygous?
How do you determine whether an organism is homozygous or heterozygous for a gene? Look at the alleles in the organism's genotype for that gene.
An organism with two identical alleles for a gene is homozygous for that gene.
If both alleles are dominant, the organism is h... | ||
What is the name of the colony shown? | [
"Georgia",
"Delaware",
"North Carolina",
"Virginia"
] | 0 | closed choice | grade8 | social science | us-history | Colonial America | Identify the Thirteen Colonies | The colony is Georgia. | |||
Not supported with pagination yet | Which type of sentence is this?
Devin took several incredible panoramic photographs of the sweeping view from the top of Table Mountain. | [
"simple",
"compound",
"compound-complex",
"complex"
] | 0 | closed choice | grade12 | 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 simple. It is a single independent clause.
Devin took several incredible panoramic photographs of the sweeping view from the top of Table Mountain. | |
Select the reptile below. | [
"water buffalo",
"cobra",
"Japanese tree frog",
"common toad"
] | 1 | Reptiles have scaly, waterproof skin. Most reptiles live on land.
Reptiles are cold-blooded. The body temperature of cold-blooded animals depends on their environment.
An American alligator is an example of a reptile. | closed choice | grade4 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Birds, mammals, fish, reptiles, and amphibians are groups of animals. Scientists sort animals into each group based on traits they have in common. This process is called classification.
Classification helps scientists learn about how animals live. Classification also helps scientists compare similar animals. | A Japanese tree frog is an amphibian. It has moist skin and begins its life in water.
There are many kinds of tree frogs. Most tree frogs are very small. They can walk on thin branches.
A water buffalo is a mammal. It has hair and feeds its young milk.
Water buffaloes live in Asia. Some people raise water buffaloes for... | |
Which solution has a higher concentration of purple particles? | [
"Solution A",
"neither; their concentrations are the same",
"Solution B"
] | 2 | The diagram below is a model of two solutions. Each purple 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 purple particles represent the solute. To figure out which solution has a higher concentration of purple particles, look at both the number of purple particles and the volume of the solvent in each container.
Use the concentration formula to find the number of purple particles per mill... | |
Which i in column 3? | [
"the fast-food restaurant",
"the theater",
"the grocery store",
"the pond"
] | 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 theater is in column 3. | ||
Not supported with pagination yet | Which closing is correct for a letter? | [
"Best Wishes,\nCarson",
"Best wishes,\nCarson"
] | 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. | |
What is the capital of Nebraska? | [
"Omaha",
"Saint Paul",
"Billings",
"Lincoln"
] | 3 | closed choice | grade4 | social science | geography | State capitals | Identify state capitals of the Midwest | Lincoln is the capital of Nebraska. | |||
Which air temperature was measured within the outlined area shown? | [
"2°C",
"7°C",
"23°C"
] | 1 | The map below shows air temperatures in the lower atmosphere on February 21, 2017. The outlined area shows an air mass that influenced weather in Africa on that day.
Look at the map. Then, answer the question below.
Data source: United States National Oceanic and Atmospheric Administration/Earth System Research Laborat... | closed choice | 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 air temperatures.
The map's legend tells you the temperature that each color represents. Colors on the left in the legend represent lower temperatures than colors on the right. For ... | Look at the colors shown within the outlined area. Then, use the legend to determine which air temperatures those colors represent.
The legend tells you that this air mass contained air with temperatures between 5°C and 20°C.
7°C is within this range.
2°C and 23°C are outside of this range. | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"Rebecca used an old broom to clean up the broken glass before throwing it away.",
"Rebecca used an old broom to clean up the broken glass before throwing the broken glass away."
] | 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 old broom or the broken glass.
The second answer choice shows a possible correction for the vague pronoun reference. It has been replaced with the broken glass.
Rebecca used an old broom to clean up the broken glass before thr... | |
Not supported with pagination yet | Which word does not rhyme? | [
"plane",
"grade",
"made"
] | 0 | closed choice | grade2 | language science | phonological-awareness | Rhyming | Which word does not rhyme? | Rhyming words are words that end with the same sound.
The words tip and slip rhyme. They both end with the same sound.
The words meet and treat also rhyme. They both end with the same sound, even though the sound has two different spellings.
The words tip and meet don't rhyme. They end with different sounds. | The words grade and made rhyme. They both end with the ade sound.
The word plane does not rhyme. It ends with a different sound. | |
Is wet glue a solid, a liquid, or a gas? | [
"a gas",
"a liquid",
"a solid"
] | 1 | closed choice | grade4 | natural science | physics | States of matter | Identify and sort solids, liquids, and gases | Solid, liquid, and gas are states of matter. Matter is anything that takes up space. Matter can come in different states, or forms.
When matter is a solid, it has a definite volume and a definite shape. So, a solid has a size and shape of its own.
Some solids can be easily folded, bent, or broken. A piece of paper is a... | Wet glue is a liquid. A liquid takes the shape of any container it is in.
If you pour wet glue out of a bottle, the glue will change shape. But the wet glue will still take up the same amount of space. | ||
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 | grade8 | natural science | chemistry | Solutions | Compare concentrations of solutions | A solution is made up of two or more substances that are completely mixed. In a solution, solute particles are mixed into a solvent. The solute cannot be separated from the solvent by a filter. For example, if you stir a spoonful of salt into a cup of water, the salt will mix into the water to make a saltwater solution... | In Solution A and Solution B, the yellow particles represent the solute. To figure out which solution has a higher concentration of yellow particles, look at both the number of yellow particles and the volume of the solvent in each container.
Use the concentration formula to find the number of yellow particles per mill... | |
Not supported with pagination yet | Which logical fallacy is used in the text?
You argue that vegetarianism can have a positive impact on the environment, but why should we believe you? I've seen you eat bacon! | [
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"appeal to nature: the assumption that natural things are always good",
"ad hominem: an attack against the person making the argument, rather than the argument itself"
] | 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 a person who eats bacon cannot offer a believable argument on vegetarianism. This is a personal attack that isn't relevant to whether the argument is valid. This illustrates a type of logical fallacy known as ad hominem. | |
Not supported with pagination yet | Which object has more thermal energy? | [
"a 700-gram rock at a temperature of 125°F",
"a 700-gram rock at a temperature of 165°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 move faster, the temperature goes up. The matter now has both ... | The two rocks have the same mass but different temperatures. Since the 165°F rock is hotter than the 125°F rock, it has more thermal energy. |
Not supported with pagination yet | Based on this information, what is Alfalfa's genotype for the horns gene? | [
"HH",
"not having horns"
] | 0 | In a group of cows, some individuals have horns and others do not. In this group, the gene for the horns trait has two alleles. The allele H is for not having horns, and the allele h is for having horns.
Alfalfa, a cow from this group, does not have horns. Alfalfa 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 genotype for a gene is its combination of alleles for that gene. Alfalfa has two alleles for not having horns (H). So, Alfalfa's genotype for the horns gene is HH. |
Not supported with pagination yet | Which figure of speech is used in this text?
The Patton family is going to spend two weeks in Ocean City, but for Xavier it will be a working vacation, since he'll be checking in with the office every day. | [
"euphemism",
"oxymoron"
] | 1 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Working vacation is a contradiction, because going on a vacation implies that you are taking a break from work. | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Alan has naturally pale skin. | [
"acquired",
"inherited"
] | 1 | Hint: Humans are born with their skin color. | closed choice | grade3 | natural science | biology | Heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Humans do not choose their skin color. Babies get their skin color from their parents. So, Alan's skin color is an inherited trait. |
Complete the statement.
Silane is (). | [
"a compound",
"an elementary substance"
] | 0 | The model below represents a molecule of silane. Silane is used to produce some types of solar cells, which make electricity from sunlight. | closed choice | grade5 | natural science | chemistry | Atoms and molecules | Classify elementary substances and compounds using models | All substances are made of one or more chemical elements, or types of atoms. Substances that are made of only one chemical element are elementary substances. Substances that are made of two or more chemical elements bonded together are compounds.
Every chemical element is represented by its own symbol. For some element... | Count the number of chemical elements represented in the model. Then, decide if silane is an elementary substance or a compound.
In this model, each ball is labeled with Si for silicon or H for hydrogen. So, the model shows you that silane is made of two chemical elements bonded together.
Substances made of two or more... | |
Not supported with pagination yet | Is the following trait inherited or acquired?
Haley has naturally red hair. | [
"acquired",
"inherited"
] | 1 | Hint: Some people dye their hair. But this does not change their natural hair color. | closed choice | grade3 | natural science | biology | Heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | Humans do not choose their natural hair color. Instead, children get their natural hair color from their parents. So, Haley's hair color is an inherited trait. |
Not supported with pagination yet | Is the following trait inherited or acquired?
Trent can play the flute. | [
"acquired",
"inherited"
] | 0 | closed choice | grade5 | natural science | biology | Traits and heredity | Identify inherited and acquired traits | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down through families. Children gain these traits from their parents. Inherited traits do not need to be learned.
Acquired traits are gained during a person's lif... | People are not born knowing how to play the flute. Instead, some people learn how to play. So, playing the flute is an acquired trait. | |
Not supported with pagination yet | Which figure of speech is used in this text?
Those images that yet
Fresh images beget,
That dolphin-torn, that gong-tormented sea.
—W. B. Yeats, "Byzantium" | [
"assonance",
"chiasmus"
] | 0 | 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 assonance, the repetition of a vowel sound in a series of nearby words.
The words yet, fresh, beget, and tormented share a vowel sound. | |
Not supported with pagination yet | What is the mass of an elephant? | [
"6,615 kilograms",
"6,615 grams"
] | 0 | Select the better estimate. | closed choice | grade4 | natural science | units-and-measurement | Units and measurement | Choose metric units of mass | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Mass is a measurement of how much matter something contains.
There are many different units of mass. When you are using metric units, mass may be written with units of grams or kilograms.
There... | The better estimate for the mass of an elephant is 6,615 kilograms.
6,615 grams is too light. |
Is celestine a mineral? | [
"yes",
"no"
] | 0 | Celestine has the following properties:
found in nature
not made by organisms
solid
fixed crystal structure
pure substance | yes or no | grade6 | natural science | earth-science | Rocks and minerals | Identify rocks and minerals | Properties are used to identify different substances. Minerals have the following properties:
It is a solid.
It is formed in nature.
It is not made by organisms.
It is a pure substance.
It has a fixed crystal structure.
If a substance has all five of these properties, then it is a mineral.
Look closely at the last thre... | Celestine has all the properties of a mineral. So, celestine is a mineral. | |
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 1.",
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs."
] | 1 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes. | 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,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The larger the magnets, the greater the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is larger in Pair 2 than in Pair 1. So, the magnitud... | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnetic force is weaker in Pair 1.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is weaker in Pair 2."
] | 1 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material. | 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 | Based on this information, what is Candy's phenotype for the albinism trait? | [
"not having albinism",
"having albinism"
] | 0 | This passage describes the albinism trait in rats:
In a group of rats, some individuals have albinism and others do not. In this group, the gene for the albinism trait has two alleles. The allele for not having albinism (A) is dominant over the allele for having albinism (a).
Candy is a rat from this group. Candy has ... | closed choice | grade8 | natural science | biology | Genes to traits | Genetics vocabulary: dominant and recessive | All organisms have pieces of hereditary material called genes, which are passed from parents to offspring. Genes contain instructions for building the parts of an organism. An organism's genes affect its observable traits, including its appearance, its behavior, and which diseases it may have. Genes may have different ... | You need to determine Candy's phenotype for the albinism trait. First, consider the alleles in Candy's genotype for the albinism gene. Then, decide whether these alleles are dominant or recessive.
The allele for not having albinism (A) is dominant over the allele for having albinism (a). This means A is a dominant alle... |
Which of the following could Ben's test show? | [
"how long it would take the sample fabric to dry after it absorbed one drop of water",
"if the sample fabric would absorb one drop of water in less than one second",
"how much athletes would sweat in the fabric"
] | 0 | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design.
The passage below describes how the engineering-design process was used to test a solution to a problem. Read the passage. Then answer the ques... | closed choice | grade8 | natural science | science-and-engineering-practices | Engineering practices | Evaluate tests of engineering-design solutions | People can use the engineering-design process to develop solutions to problems. One step in the process is testing if a potential solution meets the requirements of the design. How can you determine what a test can show? You need to figure out what was tested and what was measured.
Imagine an engineer needs to design a... | ||
Not supported with pagination yet | What information supports the conclusion that Malia acquired this trait? | [
"Malia is in the Air Force. She flies a plane almost every day.",
"A pilot taught Malia how to fly a plane.",
"Malia can fly a plane on cloudy days and at night."
] | 1 | Read the description of a trait.
Malia knows how to fly a plane. | closed choice | grade8 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Not supported with pagination yet | Which figure of speech is used in this text?
After spending weeks in New York City, Valeria was a bit unnerved by the deafening silence of her small hometown. | [
"euphemism",
"oxymoron"
] | 1 | closed choice | grade9 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Deafening silence is a contradiction, because deafening describes something extremely loud, and silence is the absence of sound. | |
Look at the models of molecules below. Select the elementary substance. | [
"chlorine",
"hydrazine",
"carbon tetrachloride"
] | 0 | 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 | Which sentence is more formal? | [
"Christina did not enter student politics until her junior year.",
"Christina didn't enter student politics until her junior year."
] | 0 | closed choice | grade5 | language science | writing-strategies | Author's purpose and tone | Which sentence is more formal? | Formal writing is used for essays, business letters, and reports. The following types of informal language should be avoided in formal writing:
Type | Examples
slang | cool, awesome
idioms | knock your socks off
conversational language | gonna, kinda, yeah
abbreviated language | ASAP, FYI
overly simple or imprecise lan... | The first sentence is less formal. You can tell because it uses a contraction (didn't).
The second sentence does not use a contraction, so it is more formal. | |
Not supported with pagination yet | Choose the poem that uses end rhyme. | [
"All the many sounds of nature\nBorrowed sweetness from his songs;\nAll the hearts of men were softened\nBy the sadness of his music;\nFor he sang of peace and freedom,\nSang of beauty, love, and longing.",
"Six white eggs on a bed of hay,\nFlecked with purple, a pretty sight:\nThere as the mother sits all day,\n... | 1 | From William Cullen Bryant, "Robert of Lincoln" and adapted from Henry Wadsworth Longfellow, "Hiawatha's Friends" | closed choice | grade4 | language science | reading-comprehension | Poetry elements | Identify elements of poetry | Poetry is a special kind of writing. It has many elements that make it different from ordinary writing. Knowing these elements can help you talk about poetry, understand it better, and enjoy it more.
A poem rhymes when it has a pattern of words that end in the same sound.
End rhyme is when the rhymes appear at the end ... | This poem uses end rhyme. Its rhymes come at the end of its lines.
Flecked with purple, a pretty sight:
Spink, spank, spink. |
Not supported with pagination yet | Based on this information, what is this rose plant's phenotype for the flower form trait? | [
"single flowers",
"ff"
] | 0 | This passage describes the flower form trait in rose plants:
In a group of rose plants, some individuals have double flowers and others have single flowers. In this group, the gene for the flower form trait has two alleles. The allele F is for double flowers, and the allele f is for single flowers.
A certain rose plan... | 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 rose plant's observable version of the flower form trait is single flowers. So, the plant's phenotype for the flower form trait is single flowers. |
Not supported with pagination yet | Which logical fallacy is used in the text?
Denise said there's no way Scotland's Loch Ness Monster is real, but she's not even Scottish, so there's no way she could really know. | [
"slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences",
"ad hominem: an attack against the person making the argument, rather than the argument itself",
"circular reasoning: an argument that supports a claim with the claim itself"
] | 1 | closed choice | grade10 | language science | writing-strategies | Developing and supporting arguments | Classify logical fallacies | A strong argument uses valid reasoning and logic in support of a claim. When an argument or claim introduces irrelevant information or misrepresents the issues at hand, it may be committing a logical fallacy. Logical fallacies can hurt a writer's credibility and can lead readers to draw false conclusions.
A logical fal... | The text argues that Denise's claim that the Loch Ness Monster isn't real is not valid because she's not Scottish. This is a personal attack on Denise's background that isn't relevant to whether her claim is valid. This illustrates a type of logical fallacy known as ad hominem. | |
Not supported with pagination yet | Compare the motion of two birds. Which bird was moving at a higher speed? | [
"a bird that moved 5miles in 10hours",
"a bird that moved 40miles in 10hours"
] | 1 | closed choice | grade2 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects movi... | Look at the distance each bird moved and the time it took to move that distance.
One bird moved 40 miles in 10 hours.
The other bird moved 5 miles in 10 hours.
Notice that each bird spent the same amount of time moving. The bird that moved 40 miles moved a farther distance in that time. So, that bird must have moved at... | |
Not supported with pagination yet | Would you find the word inventor on a dictionary page with the following guide words?
idle - irrigate | [
"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 inventor is between the guide words idle - irrigate, it would be found on that page. | |
What can Aisha and Hayley trade to each get what they want? | [
"Aisha can trade her tomatoes for Hayley's broccoli.",
"Hayley can trade her broccoli for Aisha's oranges.",
"Aisha can trade her tomatoes for Hayley's sandwich.",
"Hayley can trade her almonds for Aisha's tomatoes."
] | 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.
Aisha and Hayley open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Aisha wanted b... | closed choice | grade6 | social science | economics | Basic economic principles | Trade and specialization | Aisha wanted broccoli in her lunch and Hayley was hoping for tomatoes. Look at the labeled part of the images.
Aisha has tomatoes. Hayley has broccoli. They can trade tomatoes for broccoli to both be happier. Trading other things would not help either person get more items they want. | ||
Not supported with pagination yet | Compare the motion of three geese. Which goose was moving at the highest speed? | [
"a goose that moved 635kilometers west in 10hours",
"a goose that moved 680kilometers east in 10hours",
"a goose that moved 1,435kilometers south in 10hours"
] | 2 | closed choice | grade3 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the kilometer.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about objects mov... | Look at the distance each goose moved and the time it took to move that distance. The direction each goose moved does not affect its speed.
Notice that each goose moved for 10 hours. The goose that moved 1,435 kilometers moved the farthest distance in that time. So, that goose must have moved at the highest speed. | |
What is the capital of Idaho? | [
"Houston",
"Pierre",
"Boise",
"Nampa"
] | 2 | closed choice | grade3 | social science | geography | State capitals | Identify state capitals of the West | Boise is the capital of Idaho. | |||
Is milk a solid, a liquid, or a gas? | [
"a gas",
"a liquid",
"a solid"
] | 1 | closed choice | grade2 | natural science | physics | States of matter | Classify matter as solid, liquid, or gas | 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 shape of its own.
Some solids can be bent or broken easily. Others are hard to bend or break.
A glass cup is a solid. A sock is also a solid.
When matter i... | Milk is a liquid. A liquid takes the shape of any container it is in.
If you pour milk into a different container, the milk will take the shape of that container. But the milk will still take up the same amount of space. | ||
Not supported with pagination yet | Compare the motion of two bicycles. Which bicycle was moving at a lower speed? | [
"a bicycle that moved 150miles in 5hours",
"a bicycle that moved 55miles in 5hours"
] | 1 | closed choice | grade2 | natural science | physics | Force and motion | Compare the speeds of moving objects | An object's speed tells you how fast the object is moving. Speed depends on both distance and time.
Distance tells you how far the object has moved. One unit used to measure distance is the mile.
Time tells you how long the object has spent moving. One unit used to measure time is the hour.
Think about two objects movi... | Look at the distance each bicycle moved and the time it took to move that distance.
One bicycle moved 55 miles in 5 hours.
The other bicycle moved 150 miles in 5 hours.
Notice that each bicycle spent the same amount of time moving. The bicycle that moved 55 miles moved a shorter distance in that time. So, that bicycle ... | |
Not supported with pagination yet | How long does it take to watch a movie at the theater? | [
"2 hours",
"2 minutes"
] | 0 | Select the better estimate. | closed choice | grade3 | natural science | units-and-measurement | Units and measurement | Choose units of time | Measurements are written with both a number and a unit. The unit comes after the number. The unit shows what the number means.
Imagine being told that the bus leaves in 7. You might be thinking, 7 what? Does the bus leave in 7 minutes? 7 seconds?
The number 7 on its own does not give you much information about when the... | The better estimate for how long it takes to watch a movie at the theater is 2 hours.
2 minutes is too fast. |
Which animal's skin is also adapted for survival in cold places? | [
"giant pangolin",
"musk ox"
] | 1 | s live in the Canadian Arctic and Greenland. The 's skin is adapted to help the animal survive in cold places.
Figure: Arctic hare. | closed choice | grade5 | natural science | biology | Adaptations | Animal adaptations: skins and body coverings | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The color, texture, and covering of an animal's skin are examples of adaptations. Animals' skins can be adapted in different ways. For example, skin with thick fur might help an animal... | Look at the picture of the Arctic hare.
During the winter, the Arctic hare has thick fur covering its skin. Its skin is adapted for survival in cold places. The Arctic hare uses its fur to keep warm in cold weather.
Now look at each animal. Figure out which animal has a similar adaptation.
The musk ox has skin with thi... | |
Not supported with pagination yet | Is the student text plagiarized? | [
"Yes, because it fails to use quotation marks.",
"No, it is not plagiarized.",
"Yes, because it fails to use quotation marks and fails to cite the source.",
"Yes, because it fails to cite the source."
] | 2 | Compare the student text with the source.
Source: Paul Krugman, "The Big Meh." Published in The New York Times 25 May 2015.
At this point, the whole digital era, spanning more than four decades, is looking like a disappointment. New technologies have yielded great headlines, but modest economic results.
Student text:
I... | closed choice | grade11 | language science | writing-strategies | Research skills | Identify plagiarism | Plagiarism is the act of taking another person's work or ideas and presenting them as your own, either accidentally or on purpose. When you use an outside source in your own writing, you should make sure to cite the source in order to avoid plagiarism. Consider the following source:
Fisher, Goddu, and Keil, "Searching ... | The student text is plagiarized. It uses the source's exact words without quotation marks, and it also fails to cite the source.
It has been said that the new technologies of the digital era have yielded great headlines, but modest economic results.
Source: Paul Krugman, "The Big Meh." Published in The New York Times 2... |
Which of these colonies was Middle Colonies? | [
"Connecticut",
"New Jersey",
"New Hampshire"
] | 1 | In the following questions, you will learn about the origins of the Middle Colonies. The Middle Colonies made up the middle part of the Thirteen Colonies, which were ruled by England in the 1600s and 1700s. The map below shows the Thirteen Colonies in 1750. Look at the map. Then answer the question below. | closed choice | grade7 | social science | us-history | Colonial America | Middle Colonies: founding and government | Look at the legend on the map.
The rest of the Thirteen Colonies were part of New England or the Southern Colonies. | ||
What can Ken and Candice trade to each get what they want? | [
"Candice can trade her broccoli for Ken's oranges.",
"Candice can trade her almonds for Ken's tomatoes.",
"Ken can trade his tomatoes for Candice's carrots.",
"Ken can trade his tomatoes for Candice'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.
Ken and Candice open their lunch boxes in the school cafeteria. Neither Ken nor Candice 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.
Ken wants broccoli. Candice 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 | Select the mammal. | [
"Tasmanian devil",
"clownfish",
"gray crowned crane",
"robin"
] | 0 | closed choice | grade5 | natural science | biology | Classification | Identify mammals, birds, fish, reptiles, and amphibians | Mammals have hair or fur and feed their young milk. | A gray crowned crane is a bird. It has feathers, two wings, and a beak.
Cranes wade in shallow water to look for food. Cranes eat insects, worms, and plants.
A clownfish is a fish. It lives underwater. It has fins, not limbs.
Clownfish live with animals called anemones. In the image of the clownfish, you can see the br... | |
Not supported with pagination yet | Using only these supplies, which question can Regan investigate with an experiment? | [
"Does a rubber ball travel farther when launched from a metal catapult or from a wooden catapult?",
"Does a catapult with a longer arm launch a rubber ball farther than a catapult with a shorter arm?",
"Does a heavier ball travel farther than a lighter ball when launched from a catapult?"
] | 1 | Regan visits a museum about ancient Greece. She notices an exhibit with models of wooden catapults that were used to launch large rocks across battlefields. She wonders what factors affect how far a catapult can launch an object. So, she decides to design an experiment. She has the following supplies available:
a woode... | closed choice | grade7 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
What is the capital of Maine? | [
"Augusta",
"Harrisburg",
"Portland",
"Providence"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Northeast | Augusta is the capital of Maine. | |||
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is greater in Pair 2."
] | 1 | The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes and shapes. | closed choice | 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,... | Magnet sizes affect the magnitude of the magnetic force. Imagine magnets that are the same shape and made of the same material. The larger the magnets, the greater the magnitude of the magnetic force between them.
Magnet A is the same size in both pairs. But Magnet B is larger in Pair 1 than in Pair 2. So, the magnitud... | |
Will these magnets attract or repel each other? | [
"attract",
"repel"
] | 1 | Two magnets are placed as shown. | closed choice | grade5 | natural science | physics | Magnets | Identify magnets that attract or repel | Magnets can pull or push on other magnets without touching them. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes are called magnetic forces.
Magnetic forces are strongest at the magnets' poles, or ends. Every magnet has two poles: a north pole (N) and a south pole (... | To predict if these magnets will attract or repel, look at which poles are closest to each other.
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. | |
Not supported with pagination yet | Complete the sentence so that it uses personification.
"I can't believe I tripped," Ernest remarked. "The curb must have ()". | [
"jumped out in front of me",
"been higher than I thought"
] | 0 | closed choice | grade9 | language science | writing-strategies | Creative techniques | Use personification | Personification is giving human characteristics to nonhuman things. It is a figure of speech that can be used to make writing more interesting or to emphasize a point.
The trees danced in the wind.
The word danced describes the trees as if they were people. Unlike people, however, trees can't actually dance. Instead, t... | Complete the sentence with the phrase jumped out in front of me. It describes the curb as if it were a mischievous, unpredictable person. | |
Not supported with pagination yet | Which is a run-on sentence? | [
"Grandma sits on the bench she watches the birds.",
"The little boy popped a big bubble."
] | 0 | closed choice | grade3 | language science | writing-strategies | Sentences, fragments, and run-ons | Is it a complete sentence or a run-on? | A sentence is a group of words that forms a complete thought. It has both a subject and a verb.
My friends walk along the path.
A run-on sentence is made up of two sentences that are joined without end punctuation or with just a comma.
I knocked on the door it opened.
It started raining, we ran inside.
To fix a run-on ... | Grandma sits on the bench she watches the birds is a run-on sentence. It has two sentences that are joined without end punctuation: Grandma sits on the bench and She watches the birds. | |
Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | [
"The magnetic force is stronger in Pair 2.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger 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 | grade4 | natural science | physics | Magnets | Compare strengths of magnetic forces | Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart.
These pulls and pushes between magnets are called magnetic forces. The stronger the magnetic force between two magnets, the more strongly the magnets attract or repel each other.
You c... | Distance affects the strength of the magnetic force. When magnets are closer together, the magnetic force between them is stronger.
The magnets in Pair 1 are closer together than the magnets in Pair 2. So, the magnetic force is stronger in Pair 1 than in Pair 2. | |
Which animal's mouth is also adapted to get insects out of burrows? | [
"long-beaked echidna",
"blackbuck"
] | 0 | Tamanduas eat insects such as ants and termites. These insects often live in holes called burrows. The 's mouth is adapted to get insects out of burrows.
Figure: tamandua. | closed choice | grade4 | natural science | biology | Adaptations | Animal adaptations: beaks, mouths, and necks | An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors.
The shape of an animal's mouth is one example of an adaptation. Animals' mouths can be adapted in different ways. For example, a large mouth with sharp teeth might help an animal tear ... | Look at the picture of the tamandua.
A tube-shaped snout helps the tamandua reach into a burrow. A long, sticky tongue helps it catch the insects.
Now look at each animal. Figure out which animal has a similar adaptation.
The long-beaked echidna has a tube-shaped snout and a long, sticky tongue. Its mouth is adapted to... | |
Which of these states is farthest south? | [
"South Carolina",
"Rhode Island",
"Kansas",
"Nevada"
] | 0 | 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. South Carolina is farthest south. | ||
Does this passage describe the weather or the climate? | [
"climate",
"weather"
] | 1 | Figure: Gulf Coast of Florida.
The summer months are a popular time for tourists to visit the Gulf Coast of Florida, which is known for its white sand beaches. The winds are calm there today.
Hint: Weather is what the atmosphere is like at a certain place and time. Climate is the pattern of weather in a certain place. | closed choice | grade6 | natural science | earth-science | Weather and climate | Weather and climate around the world | The atmosphere is the layer of air that surrounds Earth. Both weather and climate tell you about the atmosphere.
Weather is what the atmosphere is like at a certain place and time. Weather can change quickly. For example, the temperature outside your house might get higher throughout the day.
Climate is the pattern of ... | Read the passage carefully.
The summer months are a popular time for tourists to visit the Gulf Coast of Florida, which is known for its white sand beaches. The winds are calm there today.
The underlined part of the passage tells you about the wind speed on the Gulf Coast of Florida today. This passage describes the at... | |
Not supported with pagination yet | Is a blanket a good or a service? | [
"a good",
"a service"
] | 0 | closed choice | grade3 | social science | economics | Basic economic principles | Goods and services | Everything you can buy is either a good or a service.
A good is something you can touch or hold in your hands. For example, a hammer is a good.
A service is a job you pay someone else to do. For example, cooking food in a restaurant is a service. | To decide whether a blanket is a good or a service, ask these questions:
Is a blanket something you can touch? Yes.
Is a blanket a job you might pay someone else to do? No.
So, a blanket is a good. | |
Not supported with pagination yet | What is the volume of a kiddie pool? | [
"250 gallons",
"250 cups",
"250 fluid ounces"
] | 0 | 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 kiddie pool is 250 gallons.
250 fluid ounces and 250 cups are both too little. |
Which of these states is farthest north? | [
"Alabama",
"South Carolina",
"Nevada",
"Texas"
] | 2 | closed choice | grade5 | social science | geography | Maps | Read a map: cardinal directions | Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west.
A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction.
The north arrow points to the North Pole. On most maps, north... | To find the answer, look at the compass rose. Look at which way the north arrow is pointing. Nevada is farthest north. | ||
Which better describes the tide pool ecosystems in Montaña De Oro State Park? | [
"It has daily flooding and draining of seawater. It also has water that is poor in nutrients.",
"It has water that is rich in nutrients. It also has many different types of organisms."
] | 1 | Figure: Montaña De Oro State Park.
Montaña De Oro State Park is in California. The park is on the coast of the Pacific Ocean. It has many tide pool ecosystems. | closed choice | grade3 | natural science | biology | Ecosystems | Describe ecosystems | An ecosystem is formed when living and nonliving things interact in an environment. There are many types of ecosystems. Here are some ways in which ecosystems can differ from each other:
the pattern of weather, or climate
the type of soil or water
the organisms that live there | A tide pool is a type of ecosystem. Tide pool ecosystems have the following features: daily flooding and draining of seawater, water that is rich in nutrients, and many different types of organisms. So, the tide pool ecosystems in Montaña De Oro State Park have water that is rich in nutrients. They also have many diffe... | |
Not supported with pagination yet | Is there a sentence fragment?
When scientists sequenced the DNA of domestic cats, they made a startling discovery. A remarkable similarity between the genomes of house cats and those of their feline relatives in the wild. | [
"yes",
"no"
] | 0 | yes or no | grade12 | language science | writing-strategies | Sentences, fragments, and run-ons | Identify sentence fragments | A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A sentence fragment is a group of words that does not express a complete thought.
Rehearsing daily because we have a concert in two weeks.
This fragment is missing a subjec... | There is a sentence fragment that does not express a complete thought.
When scientists sequenced the DNA of domestic cats, they made a startling discovery. A remarkable similarity between the genomes of house cats and those of their feline relatives in the wild.
Here is one way to fix the sentence fragment:
When scient... | |
Not supported with pagination yet | Which figure of speech is used in this text?
The Watson family is going to spend two weeks in Ocean City, but for Abdul it will be a working vacation, since he'll be checking in with the office every day. | [
"oxymoron",
"euphemism"
] | 0 | closed choice | grade10 | language science | figurative-language | Literary devices | Classify figures of speech: euphemism, hyperbole, oxymoron, paradox | Figures of speech are words or phrases that use language in a nonliteral or unusual way. They can make writing more expressive.
A euphemism is a polite or indirect expression that is used to de-emphasize an unpleasant topic.
The head of Human Resources would never refer to firing people, only to laying them off.
Hyperb... | The text uses an oxymoron, a joining of two seemingly contradictory terms.
Working vacation is a contradiction, because going on a vacation implies that you are taking a break from work. | |
Which continent is highlighted? | [
"South America",
"Europe",
"North America",
"Africa"
] | 0 | closed choice | grade5 | social science | geography | Oceans and continents | Identify 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. | ||
Not supported with pagination yet | Which logical fallacy is used in the text?
Mayor Preston wants to create more bicycle lanes in Hillsdale. Why is he forcing us to give up our cars and bike everywhere? | [
"appeal to nature: the assumption that natural things are always good",
"straw man: a misrepresentation of an opponent's position that makes it easier to argue against"
] | 1 | closed choice | grade8 | 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 creating more bike lanes means that Mayor Preston thinks that everyone should ride bicycles instead of cars. However, the fact that Mayor Preston wants more bike lanes doesn't necessarily suggest that the mayor is opposed to other forms of transportation. This illustrates a type of logical fallacy ... | |
Which month is the wettest on average in Christchurch? | [
"May",
"December",
"April"
] | 0 | 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. Precipitation, or rain and snow, is one type of climate data. Scientists collect data over many years. They can use this data to calculate the average precipitation for each month. The average precipitation can be used to describe the climate of a location.
A... | To describe the average precipitation trends in Christchurch, look at the graph.
Choice "Apr" is incorrect.
Choice "May" is incorrect.
Choice "Dec" is incorrect.
May has an average monthly precipitation of about 70 millimeters. This is higher than in any other month. So, May is the wettest month on average. | |
Which continent is highlighted? | [
"Europe",
"Australia",
"Antarctica",
"Asia"
] | 0 | closed choice | grade5 | social science | geography | Oceans and continents | Identify 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 Europe. | ||
Is the following statement about our solar system true or false?
The volume of Mercury is less than one-tenth of the volume of Earth. | [
"false",
"true"
] | 1 | Use the data to answer the question below. | true-or false | grade6 | natural science | earth-science | Astronomy | Analyze data to compare properties of planets | A planet's volume tells you the size of the planet.
The primary composition of a planet is what the planet is made mainly of. In our solar system, planets are made mainly of rock, gas, or ice. | To determine if this statement is true, calculate the value of one-tenth the volume of Earth.
Then compare the result to the volume of Mercury. The volume of Mercury is 60 billion km^3, which is less than 109 billion km^3. So, the volume of Mercury is less than one-tenth of the volume of Earth. | |
Complete the text to describe the diagram.
Solute particles moved in both directions across the permeable membrane. But more solute particles moved across the membrane (). When there was an equal concentration on both sides, the particles reached equilibrium. | [
"to the right than to the left",
"to the left than to the right"
] | 0 | The diagram below shows a solution with one solute. Each solute particle is represented by a yellow ball. The solution fills a closed container that is divided in half by a membrane. The membrane, represented by a dotted line, is permeable to the solute particles.
The diagram shows how the solution can change over time... | closed choice | grade6 | natural science | chemistry | Solutions | Diffusion across membranes | In a solution, solute particles move and spread throughout the solvent. The diagram below shows how a solution can change over time. Solute particles move from the area where they are at a higher concentration to the area where they are at a lower concentration. This movement happens through the process of diffusion.
A... | Look at the diagram again. It shows you how the solution changed during the process of diffusion.
Before the solute particles reached equilibrium, there were 6 solute particles on the left side of the membrane and 4 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there... | |
Not supported with pagination yet | Using only these supplies, which question can Melissa investigate with an experiment? | [
"Which type of sunflower grows more leaves?",
"Do sunflowers grow taller if they are planted in planter boxes or in pots?",
"Do sunflowers grow bigger in sunny planter boxes or in shady planter boxes?"
] | 2 | Melissa wants to grow sunflowers in her backyard garden. She notices that some sunflowers grow much taller than others. She is curious about what factors affect how sunflowers grow. So, she decides to design an experiment. She has the following supplies available:
seeds from one type of sunflower
soil
one wooden plante... | closed choice | grade8 | natural science | science-and-engineering-practices | Designing experiments | Identify questions that can be investigated with a set of materials | Experiments can be designed to answer specific questions. When designing an experiment, you must identify the supplies that are necessary to answer your question. In order to do this, you need to figure out what will be tested and what will be measured during the experiment.
Imagine that you are wondering if plants gro... | |
What is the capital of Oklahoma? | [
"Oklahoma City",
"Springfield",
"Tulsa",
"Sacramento"
] | 0 | closed choice | grade5 | social science | geography | State capitals | Identify state capitals of the Southeast | Oklahoma City is the capital of Oklahoma. | |||
Not supported with pagination yet | What information supports the conclusion that Logan inherited this trait? | [
"Logan's biological parents have wavy hair.",
"Logan's biological mother has long hair. Logan also has long hair.",
"Logan uses a headband to keep his wavy hair out of his face."
] | 0 | Read the description of a trait.
Logan has wavy hair. | closed choice | grade7 | natural science | biology | Genes to traits | Inherited and acquired traits: use evidence to support a statement | Organisms, including people, have both inherited and acquired traits. Inherited and acquired traits are gained in different ways.
Inherited traits are passed down from biological parents to their offspring through genes. Genes are pieces of hereditary material that contain the instructions that affect inherited traits.... | |
Complete the statement.
Aluminum is (). | [
"a compound",
"an elementary substance"
] | 1 | The model below represents aluminum. uminum is a metal that is used to make many items, from soda cans to airplanes. | closed choice | grade8 | natural science | chemistry | Atoms and molecules | Classify 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 ... | Use the model to determine whether aluminum is an elementary substance or a compound.
Step 1: Interpret the model.
In the space-filling model shown above, all of the balls are the same color:
. The legend shows that gray represents the chemical element with the atomic symbol Al. So, the model shows you that aluminum is... | |
Which property do these three objects have in common? | [
"salty",
"sweet",
"scratchy"
] | 1 | Select the best answer. | closed choice | grade4 | 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.
Potato chips have a salty taste. None of the objects are salty.
Sugar has a sweet taste. All three objects are sweet.
A scratchy object is rough and itchy against your skin. None of the objects are scratchy.
The property that all three objects have i... | |
Complete the text to describe the diagram.
Solute particles moved in both directions across the permeable membrane. But more solute particles moved across the membrane (). When there was an equal concentration on both sides, the particles reached equilibrium. | [
"to the left than to the right",
"to the right than to the left"
] | 1 | The diagram below shows a solution with one solute. Each solute particle is represented by a yellow ball. The solution fills a closed container that is divided in half by a membrane. The membrane, represented by a dotted line, is permeable to the solute particles.
The diagram shows how the solution can change over time... | closed choice | grade6 | natural science | chemistry | Solutions | Diffusion across membranes | In a solution, solute particles move and spread throughout the solvent. The diagram below shows how a solution can change over time. Solute particles move from the area where they are at a higher concentration to the area where they are at a lower concentration. This movement happens through the process of diffusion.
A... | Look at the diagram again. It shows you how the solution changed during the process of diffusion.
Before the solute particles reached equilibrium, there were 8 solute particles on the left side of the membrane and 2 solute particles on the right side of the membrane.
When the solute particles reached equilibrium, there... | |
Not supported with pagination yet | Which of the following contains a vague pronoun reference? | [
"As John was walking with his friend Bob, Bob tripped on the uneven sidewalk.",
"As John was walking with his friend Bob, he tripped on the uneven sidewalk."
] | 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 he could refer to John or Bob.
The first answer choice shows a possible correction for the vague pronoun reference. He has been replaced with Bob.
As John was walking with his friend Bob, Bob tripped on the uneven sidewalk. | |
Which bird's beak is also adapted to tear through meat? | [
"bateleur",
"common shelduck"
] | 0 | Black vultures are scavengers. They find and eat the bodies of dead animals. The shape of the 's beak is adapted to tear through meat.
Figure: black vulture. | 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 black vulture.
The black vulture has a sharp hooked beak. Its beak is adapted to tear through meat. The sharp hook can help the black vulture cut the meat into pieces it can swallow.
Now look at each bird. Figure out which bird has a similar adaptation.
The bateleur has a sharp hooked beak. I... |
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.