Split (3)

train · 12.4k rows

image_path stringlengths 7 10	question stringlengths 14 289	choices listlengths 2 5	answer int32 0 4	hint stringlengths 0 1.85k	task stringclasses 3 values	grade stringclasses 9 values	subject stringclasses 3 values	topic stringclasses 16 values	category stringclasses 75 values	skill stringclasses 158 values	lecture stringclasses 113 values	solution stringlengths 0 2.72k
train/6182	Will these magnets attract or repel each other?	[ "attract", "repel" ]	0	Two magnets are placed as shown. Hint: Magnets that attract pull together. Magnets that repel push apart.	closed choice	grade2	natural science	physics	Magnets	Identify magnets that attract or repel	Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. Whether a magnet attracts or repels other magnets depends on the positions of its poles, or ends. Every magnet has two poles, called north and south. Here are some examples of magnets....	Will these magnets attract or repel? To find out, look at which poles are closest to each other. The north pole of one magnet is closest to the south pole of the other magnet. Poles that are different attract. So, these magnets will attract each other.
train/6183	Which is the main persuasive appeal used in this ad?	[ "ethos (character)", "logos (reason)", "pathos (emotion)" ]	0		closed choice	grade7	language science	writing-strategies	Persuasive strategies	Identify appeals to ethos, pathos, and logos in advertisements	The purpose of an advertisement is to persuade people to do something. To accomplish this purpose, advertisements use three types of persuasive strategies, or appeals: Appeals to ethos, or character, show that the writer or speaker is trustworthy or is an authority on a subject. An ad that appeals to ethos might do one...	The ad appeals to ethos, or character. It shows that the product is used by someone who shares the audience's concerns (a working parent).
train/6184	A pine tree is a conifer. What type of plant is a conifer?	[ "a gymnosperm", "an angiosperm" ]	0	This diagram shows the life cycle of a pine tree.	closed choice	grade8	natural science	biology	Plant reproduction	Angiosperm and conifer life cycles	Gymnosperms are plants that have seeds but not flowers. Conifers are a type of a gymnosperm. Instead of flowers, conifers have cones. Conifers use their cones for sexual reproduction. Most conifer trees have both male and female cones. The male cones produce pollen. The female cones produce eggs and a sticky substance ...	Gymnosperms are plants that have seeds but not flowers. Conifers are a type of gymnosperm. Angiosperms are flowering plants. They use their flowers to make seeds.
train/6185	What is the direction of this pull?	[ "toward her hand", "away from her hand" ]	0	A woman unplugs a power cord. She uses a force to pull the plug out of the socket.	closed choice	grade4	natural science	physics	Force and motion	Identify directions of forces	A force is a push or a pull that one object applies to another. Every force has a direction. The direction of a push is away from the object that is pushing. The direction of a pull is toward the object that is pulling.	The woman pulls the power cord. The direction of the pull is toward her hand.
train/6186	Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature?	[ "sample A", "neither; the samples have the same temperature", "sample B" ]	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, and the particles in both samples have the same average speed. So, the particles in both samples have the same average kinetic energy. Because the particles in both samples have the same average kinetic energy, the samples must have the same temperature.
train/6187	What is the name of the colony shown?	[ "Virginia", "South Carolina", "New York", "Vermont" ]	2		closed choice	grade8	social science	us-history	Colonial America	Identify the Thirteen Colonies		The colony is New York. During the colonial era, New Hampshire and New York both claimed the territory that would later become the state of Vermont. Vermont was never its own colony.
train/6188	Which animal's feet are also adapted for grabbing prey?	[ "African crowned eagle", "dromedary camel" ]	0	Ospreys eat fish, mammals, and other birds. The 's feet are adapted to grab prey. Figure: osprey.	closed choice	grade4	natural science	biology	Adaptations	Animal adaptations: feet and limbs	An adaptation is an inherited trait that helps an organism survive or reproduce. Adaptations can include both body parts and behaviors. The shape of an animal's feet is one example of an adaptation. Animals' feet can be adapted in different ways. For example, webbed feet might help an animal swim. Feet with thick fur m...	Look at the picture of the osprey. The osprey has long toes with sharp claws. Its feet are adapted for grabbing prey. The sharp claws can help the osprey attack and kill its prey. The long toes can help it hold on to its prey. Now look at each animal. Figure out which animal has a similar adaptation. The African crowne...
train/6189	Which type of force from the child's finger presses the button?	[ "push", "pull" ]	0	A child presses a button in an elevator. His finger applies a force to the button.	closed choice	grade3	natural science	physics	Force and motion	Identify pushes and pulls	A force is a push or a pull that one object applies to a second object. The direction of a push is away from the object that is pushing. The direction of a pull is toward the object that is pulling.	The child's finger applies a force to the button as he presses it. The direction of this force is away from the child's finger. This force is a push.
train/6190	Which continent is highlighted?	[ "Africa", "Asia", "Europe" ]	2		closed choice	grade2	social science	geography	Geography	Identify oceans and continents	A continent is one of the seven largest areas of land on earth.	This continent is Europe.
train/6191	Select the bird below.	[ "fruit bat", "flamingo" ]	1	Birds have feathers, two wings, and a beak. A penguin is an example of a bird.	closed choice	grade3	natural science	biology	Classification	Identify mammals, birds, fish, reptiles, and amphibians	Birds, mammals, fish, reptiles, and amphibians are groups of animals. The animals in each group have traits in common. Scientists sort animals into groups based on traits they have in common. This process is called classification.	A fruit bat is a mammal. It has hair and feeds its young milk. Fruit bats eat fruit and drink nectar from flowers. They have special teeth to help them bite through fruit skins. A flamingo is a bird. It has feathers, two wings, and a beak. Flamingos live in large groups. These groups are called flocks.
train/6192	Select the organism in the same species as the crystal jellyfish.	[ "Aurelia aurita", "Aequorea victoria", "Cyanea capillata" ]	1	This organism is a crystal jellyfish. Its scientific name is Aequorea victoria.	closed choice	grade4	natural science	biology	Scientific names	Use scientific names to classify organisms	Scientists use scientific names to identify organisms. Scientific names are made of two words. The first word in an organism's scientific name tells you the organism's genus. A genus is a group of organisms that share many traits. A genus is made up of one or more species. A species is a group of very similar organisms...	A crystal jellyfish's scientific name is Aequorea victoria. Aequorea victoria has the same scientific name as a crystal jellyfish. So, these organisms are in the same species. Aurelia aurita does not have the same scientific name as a crystal jellyfish. So, Aequorea victoria and Aurelia aurita are not in the same speci...
train/6193	Which statement describes the Tibetan Plateau ecosystem?	[ "It has long, cold winters and short, cold summers.", "It has many evergreen trees." ]	0	Figure: Tibetan Plateau. The Tibetan Plateau is a tundra ecosystem located in Tibet, western China, and northern India. The plateau is over 14,800 feet high and is surrounded by many mountain ranges.	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 tundra is a type of ecosystem. Tundras have the following features: long, cold winters and short, cold summers, soil that is frozen year-round, and mostly small plants. So, the following statements describe the Tibetan Plateau ecosystem: long, cold winters and short, cold summers, soil that is frozen year-round, and ...
train/6194	What is the name of the colony shown?	[ "Tennessee", "Washington, D.C.", "Maryland", "Georgia" ]	2		closed choice	grade8	social science	us-history	Colonial America	Identify the Thirteen Colonies		The colony is Maryland.
train/6195	Which material is these scissors made of?	[ "styrofoam", "plastic" ]	1		closed choice	grade2	natural science	physics	Materials	Identify multiple materials in objects	A material is a type of matter. Wood, glass, metal, and plastic are common materials. Some objects are made of just one material. Most nails are made of metal. Other objects are made of more than one material. This hammer is made of metal and wood.	Look at the picture of the scissors. Scissors are made of two different materials. The handles are made of plastic, and the blades are made of metal.
train/6196	Which of these continents does the equator intersect?	[ "North America", "Africa", "Antarctica" ]	1		closed choice	grade5	social science	geography	Maps	Use lines of latitude and longitude	Lines of latitude and lines of longitude are imaginary lines drawn on some globes and maps. They can help you find places on globes and maps. Lines of latitude show how far north or south a place is. We use units called degrees to describe how far a place is from the equator. The equator is the line located at 0° latit...	The equator is the line at 0° latitude. It intersects Africa. It does not intersect Antarctica or North America.
train/6197	Which is this organism's scientific name?	[ "Cyanea capillata", "lion's mane jellyfish" ]	0	This organism is a lion's mane jellyfish. It is also called Cyanea capillata.	closed choice	grade7	natural science	biology	Classification and scientific names	Identify common and scientific names	An organism's common name is the name that people normally call the organism. Common names often contain words you know. An organism's scientific name is the name scientists use to identify the organism. Scientific names often contain words that are not used in everyday English. Scientific names are written in italics,...	Cyanea capillata is written in italics. The first word is capitalized, and the second word is not. So, Cyanea capillata is the scientific name.
train/6198	What is the name of the colony shown?	[ "Georgia", "Maryland", "Maine", "North Carolina" ]	0		closed choice	grade5	social science	us-history	English colonies in North America	Identify the Thirteen Colonies		The colony is Georgia.
train/6199	What is the capital of West Virginia?	[ "Laramie", "Charleston", "Tallahassee", "Columbus" ]	1		closed choice	grade5	social science	geography	State capitals	Identify state capitals of the Southeast		Charleston is the capital of West Virginia.
train/6200	Which statement is true about the average monthly precipitation in Charlotte?	[ "January is the month with the highest average precipitation.", "June is wetter than July.", "Precipitation does not change much from month to month." ]	2	Use the graph to answer the question below.	closed choice	grade4	natural science	earth-science	Weather and climate	Use climate data to make predictions	Scientists record climate data from places around the world. 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 Charlotte, look at the graph. Choice "Jan" is incorrect. Choice "Jun" is incorrect. Choice "Jul" is incorrect. Choice "January is the month with the highest average precipitation." is incorrect. Several other months have a slightly higher average precipitation than Januar...
train/6201	Which of these states is farthest west?	[ "Mississippi", "Maine", "Virginia", "Vermont" ]	0		closed choice	grade2	social science	geography	Geography	Read a map: cardinal directions	Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west. A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction. The north arrow points to the North Pole. On most maps, north...	To find the answer, look at the compass rose. Look at which way the west arrow is pointing. Mississippi is farthest west.
train/6202	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 2.", "The magnitude of the magnetic force is greater in Pair 1." ]	1	The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different sizes.	closed choice	grade7	natural science	physics	Velocity, acceleration, and forces	Compare magnitudes of magnetic forces	Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces. The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,...	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...
train/6203	Based on the continuum scale, which planet is smaller?	[ "Mars", "Venus" ]	0	This continuum scale shows the sizes of the inner planets of our solar system.	closed choice	grade5	language science	writing-strategies	Visual elements	Read graphic organizers	A graphic organizer is a chart or picture that shows how ideas, facts, or topics are related to one another. When you read, look for graphic organizers included in the text. You can use these images to find key information. You can also create your own graphic organizers with information that you've read. Doing this ca...	A continuum scale compares things by ordering them along a line. This continuum scale shows the sizes of the inner planets of our solar system. Smaller planets are shown to the left. Larger planets are shown to the right. Mars is shown farther to the left than Venus. So, Mars is smaller.
train/6204	Which country is highlighted?	[ "Samoa", "Nauru", "the Marshall Islands", "Tonga" ]	0		closed choice	grade8	social science	geography	Oceania: geography	Identify and select countries of Oceania		This country is Samoa.
train/6205	Is a horseshoe crab shell a mineral?	[ "yes", "no" ]	1	A horseshoe crab shell has the following properties: no fixed crystal structure solid naturally occurring mixture of proteins and other substances body part of a marine organism	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...	A horseshoe crab shell does not have all the properties of a mineral. So, a horseshoe crab shell is not a mineral.
train/6206	Which material is this bicycle tire made of?	[ "concrete", "rubber" ]	1		closed choice	grade2	natural science	physics	Materials	Identify multiple materials in objects	A material is a type of matter. Wood, glass, metal, and plastic are common materials. Some objects are made of just one material. Most nails are made of metal. Other objects are made of more than one material. This hammer is made of metal and wood.	Look at the picture of the bicycle tire. The bicycle tire is made of two different materials. The rim and spokes are made of metal. The rest of the tire is made of rubber.
train/6207	What can Liz and Pedro trade to each get what they want?	[ "Pedro can trade his broccoli for Liz's oranges.", "Liz can trade her tomatoes for Pedro's carrots.", "Pedro can trade his almonds for Liz's tomatoes.", "Liz can trade her tomatoes for Pedro'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. Liz and Pedro open their lunch boxes in the school cafeteria. Neither Liz nor Pedro got everything that they wanted. The table be...	closed choice	grade8	social science	economics	Basic economic principles	Trade and specialization		Look at the table and images. Liz wants broccoli. Pedro 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.
train/6208	What is the expected ratio of offspring with yellow fruit to offspring with red fruit? Choose the most likely ratio.	[ "3:1", "0:4", "4:0", "2:2", "1:3" ]	1	In a group of tomato plants, some individuals have red fruit and others have yellow fruit. In this group, the gene for the fruit color trait has two alleles. The allele for red fruit (F) is dominant over the allele for yellow fruit (f). This Punnett square shows a cross between two tomato plants.	closed choice	grade8	natural science	biology	Genes to traits	Use Punnett squares to calculate ratios of offspring types	Offspring phenotypes: dominant or recessive? How do you determine an organism's phenotype for a trait? Look at the combination of alleles in the organism's genotype for the gene that affects that trait. Some alleles have types called dominant and recessive. These two types can cause different versions of the trait to a...	To determine how many boxes in the Punnett square represent offspring with yellow fruit or red fruit, consider whether each phenotype is the dominant or recessive allele's version of the fruit color trait. The question tells you that the F allele, which is for red fruit, is dominant over the f allele, which is for yell...
train/6209	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	grade8	natural science	physics	Particle motion and energy	Identify how particle motion affects temperature and pressure	The temperature of a substance depends on the average kinetic energy of the particles in the substance. The higher the average kinetic energy of the particles, the higher the temperature of the substance. The kinetic energy of a particle is determined by its mass and speed. For a pure substance, the greater the mass of...	The particles in both samples have the same average speed, but each particle in sample B has more mass than each particle 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, sample B mus...
train/6210	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 2.", "The strength of the magnetic force is the same in both pairs.", "The magnetic force is weaker 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 farther apart, the magnetic force between them is weaker. The magnets in Pair 1 are farther apart than the magnets in Pair 2. So, the magnetic force is weaker in Pair 1 than in Pair 2.
train/6211	Which is the main persuasive appeal used in this ad?	[ "logos (reason)", "ethos (character)", "pathos (emotion)" ]	1		closed choice	grade7	language science	writing-strategies	Persuasive strategies	Identify appeals to ethos, pathos, and logos in advertisements	The purpose of an advertisement is to persuade people to do something. To accomplish this purpose, advertisements use three types of persuasive strategies, or appeals: Appeals to ethos, or character, show that the writer or speaker is trustworthy or is an authority on a subject. An ad that appeals to ethos might do one...	The ad appeals to ethos, or character. It notes that the product is recommended by professionals.
train/6212	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." ]	0	The images below show two pairs of magnets. The magnets in different pairs do not affect each other. All the magnets shown are made of the same material, but some of them are different shapes.	closed choice	grade7	natural science	physics	Velocity, acceleration, and forces	Compare magnitudes of magnetic forces	Magnets can pull or push on each other without touching. When magnets attract, they pull together. When magnets repel, they push apart. These pulls and pushes between magnets are called magnetic forces. The strength of a force is called its magnitude. The greater the magnitude of the magnetic force between two magnets,...	Distance affects the magnitude of the magnetic force. When there is a smaller distance between magnets, the magnitude of the magnetic force between them is greater. There is a smaller distance between the magnets in Pair 1 than in Pair 2. So, the magnitude of the magnetic force is greater in Pair 1 than in Pair 2.
train/6213	Which country is highlighted?	[ "Nauru", "Solomon Islands", "the Federated States of Micronesia", "the Marshall Islands" ]	2		closed choice	grade7	social science	geography	Oceania: geography	Identify and select countries of Oceania		This country is the Federated States of Micronesia.
train/6214	Which property do these two objects have in common?	[ "stretchy", "yellow" ]	0	Select the better answer.	closed choice	grade2	natural science	physics	Materials	Compare properties of objects	An object has different properties. A property of an object can tell you how it looks, feels, tastes, or smells. Different objects can have the same properties. You can use these properties to put objects into groups.	Look at each object. For each object, decide if it has that property. A stretchy object gets longer when you pull on it. Both objects are stretchy. Yellow is a color. This color is yellow. The wool hat is not yellow. The property that both objects have in common is stretchy.
train/6215	What is the capital of North Carolina?	[ "Raleigh", "Charlotte", "Jackson", "Atlanta" ]	0		closed choice	grade3	social science	geography	State capitals	Identify state capitals of the Southeast		Raleigh is the capital of North Carolina.
train/6216	Which country is highlighted?	[ "Trinidad and Tobago", "Haiti", "the Dominican Republic", "Dominica" ]	2		closed choice	grade6	social science	geography	The Americas: geography	Identify and select countries of the Caribbean		This country is the Dominican Republic. Why does the Dominican Republic share its island with another country? The Dominican Republic and Haiti share the island of Hispaniola. It is home to the earliest European settlements in the Americas. Christopher Columbus founded the first European settlement on the island in 149...
train/6217	Which of these states is farthest east?	[ "North Dakota", "Washington", "Pennsylvania", "New Mexico" ]	2		closed choice	grade3	social science	geography	Geography	Read a map: cardinal directions	Maps have four cardinal directions, or main directions. Those directions are north, south, east, and west. A compass rose is a set of arrows that point to the cardinal directions. A compass rose usually shows only the first letter of each cardinal direction. The north arrow points to the North Pole. On most maps, north...	To find the answer, look at the compass rose. Look at which way the east arrow is pointing. Pennsylvania is farthest east.

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