level stringclasses 3
values | question stringlengths 17 259 | question_id int64 4 2.01k | image imagewidth (px) 53 760 | answer int64 0 4 | description stringlengths 129 1.24k | choices listlengths 2 5 | hint stringlengths 0 941 | task stringclasses 3
values |
|---|---|---|---|---|---|---|---|---|
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 863 | 0 | The image shows two jars labeled Sample A and Sample B, each containing a different number of particles. Sample A has 28 particles with an average mass of 1 u and an average particle speed of 1,000 m/s. Sample B has an unspecified number of particles with an average mass of 28 u and an average particle speed of 1,000 m... | [
"sample B",
"sample A",
"neither; the samples have the same temperature"
] | 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 | |
middle | Which property do these four objects have in common? | 897 | 2 | The image shows two separate pictures side by side. On the left, there is a picture of a single cracker with holes in it, labeled "cracker." On the right, there is a picture of an ocean wave with a blue background, labeled "ocean wave." The images are presented in a simple, cartoon-like style with bold outlines and fla... | [
"flexible",
"opaque",
"salty"
] | Select the best answer. | closed choice | |
middle | What is the expected ratio of offspring with straight fur to offspring with curly fur? Choose the most likely ratio. | 899 | 4 | The image shows a 2x2 matrix with the letters "F" and "f" in each cell. The top left cell has the letter "F" in black font, the top right cell has the letter "f" in blue font, the bottom left cell has the letter "F" in blue font, and the bottom right cell has the letter "f" in black font. The matrix is enclosed in a bl... | [
"2:2",
"0:4",
"3:1",
"1:3",
"4:0"
] | In a group of cats, some individuals have straight fur and others have curly fur. In this group, the gene for the fur type trait has two alleles. The allele for curly fur (f) is recessive to the allele for straight fur (F).
This Punnett square shows a cross between two cats. | closed choice | |
difficult | Which country is highlighted? | 910 | 1 | The image is a map of the world, with a focus on the southern hemisphere. The map shows the continents of Australia and New Zealand in green, with the surrounding oceans in blue. There is a small square highlighted in yellow, which appears to be a specific area of interest within the map. The map does not show any labe... | [
"New Zealand",
"Nauru",
"the Marshall Islands",
"Vanuatu"
] | closed choice | ||
middle | The Inca created a large civilization in South America. Which letter marks the territory of the Inca? | 917 | 0 | The image is a map of South America, showing the continent in white and the surrounding oceans in blue. The map includes labels for different regions of South America, with the letters A, B, C, and D indicating specific areas. There is also a compass rose in the bottom left corner, indicating north, south, east, and we... | [
"D",
"B",
"A",
"C"
] | The following map shows the location of several civilizations that began in North and South America. Civilizations are organized human communities. Look at the map. Then answer the question below. | closed choice | |
middle | Which of these states is farthest west? | 922 | 1 | The image is a map of the United States, with the states of Wisconsin, Kansas, and Louisiana highlighted in green. The rest of the country is shown in a light blue color, with the oceans on the east and west coasts depicted in a darker blue. The map does not show any labels or names of the states, but it is clear which... | [
"Wisconsin",
"Kansas",
"Louisiana",
"Maryland"
] | closed choice | ||
middle | Which solution has a higher concentration of yellow particles? | 941 | 0 | The image shows two beakers, each containing a yellow solution. The beaker on the left is labeled "Solution A" and has a volume of 25 mL. The beaker on the right is labeled "Solvent volume: 25 mL" and also contains a yellow solution with a volume of 25 mL. Both beakers have a blue base and a white neck. The background ... | [
"Solution A",
"neither; their concentrations are the same",
"Solution B"
] | The diagram below is a model of two solutions. Each yellow ball represents one particle of solute. | closed choice | |
middle | Which of these states is farthest east? | 948 | 2 | The image is a map of the United States, with the states of North Dakota, Vermont, Ohio, and North Carolina highlighted in green. The map shows the borders of each state, as well as the surrounding bodies of water such as the Pacific Ocean, the Atlantic Ocean, and the Great Lakes. The map does not show any labels or na... | [
"North Dakota",
"North Carolina",
"Vermont",
"Ohio"
] | closed choice | ||
middle | Which three months have an average precipitation of around 3.5inches in Seattle? | 950 | 0 | The image is a bar graph showing the average precipitation in Seattle, Washington for each month of the year. The x-axis represents the months, from January to December, and the y-axis represents the amount of precipitation in inches. Each bar is color-coded to represent a different month, with January being red, Febru... | [
"February, March, and October",
"May, June, and October",
"April, May, and November"
] | Use the graph to answer the question below. | closed choice | |
difficult | What is the name of the colony shown? | 951 | 2 | The image appears to be a map of the northeastern United States, with the states highlighted in green. The highlighted states include Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut. The map also shows parts of New York and Pennsylvania, but they are not highlighted. The map is set against a... | [
"Tennessee",
"Rhode Island",
"New Hampshire",
"Connecticut"
] | closed choice | ||
middle | Which property do these three objects have in common? | 956 | 0 | The image shows a blue wool sweater with a crew neckline. The sweater features a cable knit pattern on the front, with vertical cables running down the center and smaller cables on either side. There are also horizontal cables at the hemline and cuffs. The sweater has a ribbed hem and cuffs for a snug fit. It is design... | [
"scratchy",
"fuzzy",
"hard"
] | Select the best answer. | closed choice | |
difficult | Which solution has a higher concentration of green particles? | 977 | 1 | The image shows two flasks labeled as "Solution A" and "Solution B". Both flasks contain a green solvent, with Solution A having 25 mL of solvent and Solution B having an unspecified volume of solvent. The flasks are transparent and the solvent is represented by green circles. | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | The diagram below is a model of two solutions. Each green ball represents one particle of solute. | closed choice | |
middle | Which of these oceans does the prime meridian intersect? | 979 | 0 | The image is a world map that shows the different continents and oceans of the Earth. The continents are depicted in green, while the oceans are shown in blue. The map also includes labels for each continent and ocean, such as "Europe," "Asia," "Africa," "South America," "North America," "Antarctica," "Arctic Ocean," "... | [
"the Arctic Ocean",
"the Pacific Ocean",
"the Indian Ocean"
] | closed choice | ||
middle | Which country is highlighted? | 991 | 3 | The image is a map of the world, with a focus on the southern hemisphere. The landmasses are depicted in green, while the oceans are shown in blue. The map highlights the vastness of the oceans and the relatively small size of the landmasses. The continents of Australia and South America are prominently featured, with ... | [
"Tuvalu",
"Solomon Islands",
"the Marshall Islands",
"Fiji"
] | closed choice | ||
middle | Which solution has a higher concentration of purple particles? | 994 | 1 | The image shows two beakers labeled "Solution A" and "Solution B". Both beakers contain a clear solvent with purple spheres dispersed throughout. The label on Solution A indicates that the volume of the solvent is 45 mL, while the label on Solution B does not provide any information about the volume of the solvent. | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | The diagram below is a model of two solutions. Each purple ball represents one particle of solute. | closed choice | |
difficult | Will these magnets attract or repel each other? | 1,000 | 0 | The image is completely white and does not contain any visible elements or objects. It appears to be a blank space with no content or description. | [
"attract",
"repel"
] | Two magnets are placed as shown. | closed choice | |
middle | Which of the following organisms is the tertiary consumer in this food web? | 1,002 | 0 | The image is a food web diagram that shows the relationships between different organisms in a forest ecosystem. At the top of the food web is the persimmon tree, which serves as a primary source of food for the black bear and gray fox. The black bear also preys on the beaver, while the gray fox feeds on the pine vole a... | [
"black racer",
"silver maple",
"beaver",
"black bear"
] | Below is a food web from Shenandoah National Park, a forest ecosystem in Virginia.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | |
middle | Which continent is highlighted? | 1,005 | 3 | The image is a simplified world map with the continents depicted in green and the oceans in blue. The map does not show any country borders or labels, making it difficult to identify specific regions. The map appears to be a basic representation of the world's geography, without any detailed information. | [
"South America",
"Australia",
"Africa",
"Antarctica"
] | closed choice | ||
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,026 | 1 | The image shows two squares, one on the left and one on the right. Both squares are divided into two sections, with the top section being purple and the bottom section being blue. In the center of each purple section, there is a white letter "N" written in all caps. The squares are outlined in black, creating a border ... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 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 | |
middle | Which property do these four objects have in common? | 1,032 | 1 | The image shows two different types of bottles. On the left side, there is a glass bottle with a green cap and a yellow label that reads "apple juice". On the right side, there is a ceramic bottle with a gold-colored rim and a white body. The bottles are placed against a white background. | [
"sweet",
"fragile",
"opaque"
] | Select the best answer. | closed choice | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,033 | 0 | The image shows a rectangular button with a green background and a purple border. The button has the letter "N" in white text on the green background. The button appears to be part of a user interface, possibly for a software application or website. | [
"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."
] | 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 | |
middle | Which country is highlighted? | 1,039 | 1 | The image is a map of the Caribbean region, showing various islands and countries. The map is predominantly blue, representing the ocean, with green land masses indicating the islands. The largest island on the map is Cuba, located in the top left corner. Other notable islands include Hispaniola (shared by Haiti and th... | [
"Antigua and Barbuda",
"Haiti",
"Cuba",
"Saint Vincent and the Grenadines"
] | closed choice | ||
middle | Which ocean is highlighted? | 1,049 | 3 | The image is a map of the world, with the continents depicted in green and the oceans in blue. The map is centered on Africa, with Europe to the north and South America to the west. The map does not show any labels or names of countries, but it does show the general shapes and outlines of the continents. The map has a ... | [
"the Arctic Ocean",
"the Southern Ocean",
"the Atlantic Ocean",
"the Indian Ocean"
] | closed choice | ||
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,058 | 2 | The image shows two circular diagrams divided into three sections each. The sections are colored green, purple, and a lighter shade of green. Each section is labeled with the letters "N," "S," and "N" respectively. The diagrams appear to be a representation of a compass or a map, with the "N" sections representing nort... | [
"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."
] | 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 | |
middle | Which trait did Eryma have? Select the trait you can observe on the fossil. | 1,063 | 0 | The image shows a close-up of a small, light-colored shrimp with its claws open and extended. The shrimp appears to be on a textured surface that could be a piece of paper or fabric. The background is a neutral color, providing a contrast to the shrimp's lighter hue. The image has a shallow depth of field, with the foc... | [
"antennae",
"a round, flat body"
] | This picture shows a fossil of an ancient animal called Eryma.
Fossils of Eryma have been found in deposits of shale and limestone. Some Eryma fossils are more than 100,000,000 years old. | closed choice | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,069 | 2 | The image shows two identical green triangles with a white outline, each containing the letter "S" in white. The triangles are placed on a white background and are separated by a small amount of space. The overall design is simple and symmetrical. | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs."
] | 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 | |
middle | Which of the following organisms is the secondary consumer in this food web? | 1,078 | 1 | The image depicts a forest ecosystem with various elements labeled. At the top left, there is a persimmon tree with ripe persimmons hanging from its branches. Below the persimmon tree, there are two black bears walking on a rocky path. To the right of the bears, there is a gray fox standing on its hind legs. Below the ... | [
"persimmon tree",
"black bear",
"beaver",
"swallowtail caterpillar"
] | Below is a food web from Shenandoah National Park, a forest ecosystem in Virginia.
A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem. | closed choice | |
middle | Which animal's skin is better adapted to hurt an attacking predator? | 1,109 | 1 | The image shows a porcupine standing on a rocky surface. The porcupine has a large, spiky quill covering its back and sides, which is a characteristic feature of this animal. Its fur appears to be a mix of brown and black colors, with the quills being a lighter, almost white color at their tips. The porcupine's head is... | [
"fantastic leaf-tailed gecko",
"blowfish"
] | Porcupines have sharp spines covering much of their skin. These spines are called quills. The skin of the is adapted to hurt an attacking predator.
Figure: porcupine. | closed choice | |
middle | Which continent is highlighted? | 1,121 | 1 | The image is a world map with the continents colored in green and the oceans in blue. The map is presented in a flat earth style, with the North Pole at the center and the continents radiating outwards. The map does not show any political borders or labels, just the general shape of the continents. The map also include... | [
"Antarctica",
"Asia",
"Africa",
"North America"
] | closed choice | ||
middle | Which is the main persuasive appeal used in this ad? | 1,122 | 1 | The image features a graphic design with a promotional message. It shows a hand holding a credit card, which is labeled "ZUMIO Credit Card." The card has a golden color scheme with the number "5234 56789012345" visible on its front. To the left of the card, there are three green dollar bills being held by the same hand... | [
"pathos (emotion)",
"logos (reason)",
"ethos (character)"
] | closed choice | ||
middle | What is the probability that a human produced by this cross will be heterozygous for the xeroderma pigmentosum gene? | 1,126 | 1 | The image shows a 3x3 grid with the letter "e" in different font sizes and styles. The top row has the letter "e" in a small, bold font, the middle row has the letter "e" in a larger, italic font, and the bottom row has the letter "e" in an even larger, bold font. Each row also has two additional "e" letters, one in a ... | [
"4/4",
"2/4",
"3/4",
"0/4",
"1/4"
] | This passage describes the xeroderma pigmentosum trait in humans:
Xeroderma pigmentosum is a condition that causes skin to be easily damaged by sunlight. Humans with xeroderma pigmentosum avoid exposure to sunlight by wearing protective clothing, using sunscreen, and not going outside during the day.
In a group of huma... | closed choice | |
middle | What can Olivia and Cara trade to each get what they want? | 1,137 | 0 | The image shows a list of items with bullet points. The items listed are "a hot dog," "tomatoes," "almonds," and "water." The background of the image is white, and there is a pink border on the left side of the image. | [
"Olivia can trade her tomatoes for Cara's broccoli.",
"Cara can trade her almonds for Olivia's tomatoes.",
"Cara can trade her broccoli for Olivia's oranges.",
"Olivia can trade her tomatoes for Cara's carrots."
] | 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.
Olivia and Cara open their lunch boxes in the school cafeteria. Neither Olivia nor Cara got everything that they wanted. The tabl... | closed choice | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,150 | 2 | The image shows two circular diagrams, each divided into two colored segments. The segment on the left is blue and labeled "N," while the segment on the right is green and labeled "S." The circles are enclosed within a larger white circle, and there is a horizontal line at the bottom of the image. | [
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is smaller in Pair 1.",
"The magnitude of the magnetic force is smaller in Pair 2."
] | 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 | |
middle | What is the name of the colony shown? | 1,152 | 2 | The image is a map of the eastern United States, with the states highlighted in green. The map shows the Atlantic Ocean to the east, and the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina... | [
"Virginia",
"Alabama",
"Maryland",
"New Jersey"
] | closed choice | ||
difficult | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,155 | 0 | The image shows two jars labeled "Sample A" and "Sample B". Both jars contain blue particles with the same mass of 32 u. However, the average particle speed is different between the two samples. Sample A has an average particle speed of 760 m/s, while Sample B has an average particle speed that is not specified in the ... | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | 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 | |
middle | Which property matches this object? | 1,160 | 1 | The image shows a brown sanding block with a textured surface. The block has a rectangular shape with rounded edges and is designed to be held in one hand for sanding purposes. The texture on the block appears to be made up of small grooves or ridges that would help to remove material from surfaces during the sanding p... | [
"yellow",
"rough"
] | Select the better answer. | closed choice | |
difficult | Which term matches the picture? | 1,166 | 1 | The image shows a bunch of ginger roots with a rough and knobby texture. The ginger is arranged in a circular pattern, with the roots pointing outwards. The color of the ginger is a light brown with some darker brown spots. The background is white, which makes the ginger stand out more prominently. The ginger appears t... | [
"stem tuber",
"rhizome"
] | Read the text.
Some plants have underground stems that branch out in a fingerlike pattern. Botanists call these stems rhizomes. Some of these branching stems, such as the turmeric rhizome, are highly prized for the spices that can be extracted from them.
Like rhizomes, stem tubers are specialized structures that plants... | closed choice | |
middle | Which property do these three objects have in common? | 1,179 | 2 | The image shows a colorful inflatable castle with yellow and red towers, a purple base, and blue walls. The castle appears to be designed for children's play and is likely used at parties or events. | [
"fragile",
"transparent",
"colorful"
] | Select the best answer. | closed choice | |
middle | What can Dalton and Elise trade to each get what they want? | 1,193 | 1 | The image shows a list of items with their corresponding images. The items listed are "a hot dog," "tomatoes," "almonds," and "water." Each item has a small image next to it, with the exception of "water," which does not have an image. The background of the image is white, and there is a thin orange line at the top. | [
"Elise can trade her almonds for Dalton's tomatoes.",
"Dalton can trade his tomatoes for Elise's broccoli.",
"Elise can trade her broccoli for Dalton's oranges.",
"Dalton can trade his tomatoes for Elise's carrots."
] | 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.
Dalton and Elise open their lunch boxes in the school cafeteria. Neither Dalton nor Elise got everything that they wanted. The ta... | closed choice | |
middle | Is the following statement about our solar system true or false?
The volume of Neptune is less than 75% of the volume of Uranus. | 1,196 | 1 | The image is a table with two columns. The first column lists various volume measurements in billions of km3, ranging from 60 to 1,431.280. The second column lists the primary component associated with each volume measurement, which includes rock, gas, and ice. The table appears to be organized in ascending order based... | [
"true",
"false"
] | Use the data to answer the question below. | true-or false | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,198 | 1 | The image shows two jars labeled "Sample A" and "Sample B". Each jar contains particles with different properties. Sample A has green particles with an average mass of 46 u and an average particle speed of 1,100 m/s. Sample B has blue particles with the same average mass of 46 u but a lower average particle speed of 10... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | 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 | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,213 | 2 | The image shows two jars labeled Sample A and Sample B. Both jars contain green particles, but the particles in Sample A have an average mass of 36 u (unified atomic mass units) and an average speed of 1,000 m/s, while the particles in Sample B have the same average mass but a lower average speed of 500 m/s. The partic... | [
"sample B",
"sample A",
"neither; the samples have the same temperature"
] | 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 | |
middle | Which solution has a higher concentration of pink particles? | 1,217 | 0 | The image shows two beakers labeled as "Solution A" and "Solution B". Both beakers have a volume of 20 mL. Solution A has a clear solvent with no solute particles visible, while Solution B has a clear solvent with several purple solute particles suspended in it. The image is likely used to illustrate the concept of sol... | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. | closed choice | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,227 | 2 | The image shows two squares, one on the left and one on the right. Both squares have a blue background with an orange rectangle in the center. The orange rectangle on the left square is slightly larger than the one on the right square. There is also a small white letter "S" in the bottom right corner of both rectangles... | [
"The magnitude of the magnetic force is greater in Pair 2.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 1."
] | 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 | |
difficult | Which solution has a higher concentration of purple particles? | 1,237 | 0 | The image shows two flasks labeled as "Solution A" and "Solution B". Both flasks contain a blue solvent, with Solution A having 40 mL of solvent and Solution B having an unspecified volume of solvent. The flasks are transparent, allowing the blue solvent to be visible inside. | [
"Solution B",
"neither; their concentrations are the same",
"Solution A"
] | The diagram below is a model of two solutions. Each purple ball represents one particle of solute. | closed choice | |
middle | Which country is highlighted? | 1,243 | 3 | The image is a map of Australia and its surrounding islands. The map shows the mainland of Australia in green, with the states and territories outlined in white. To the north of Australia, there are several smaller islands, including the Solomon Islands, Vanuatu, and New Caledonia. To the east, there are the New Hebrid... | [
"Samoa",
"Fiji",
"Tuvalu",
"Tonga"
] | closed choice | ||
difficult | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,251 | 1 | The image shows two jars labeled "Sample A" and "Sample B". Sample A contains green particles with an average mass of 30 u and an average particle speed of 1,600 m/s. Sample B contains blue particles with the same average mass and average particle speed as Sample A. The image is likely used to demonstrate the concept o... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | 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 | |
middle | Which property do these four objects have in common? | 1,277 | 2 | The image shows two plush toys representing a kiwi bird. On the left side, there is a brown plush toy with a fuzzy texture and a round shape, resembling the appearance of a real kiwi bird. On the right side, there is a red plush toy with black spots, designed to look like a ladybug. Both toys are placed against a white... | [
"stretchy",
"hard",
"fuzzy"
] | Select the best answer. | closed choice | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,290 | 0 | The image shows two jars labeled as "Sample A" and "Sample B". Both jars contain particles, with Sample A having green particles and Sample B having blue particles. The image also provides information about the mass of each particle in Sample A, which is 32 u, and the average speed of each particle in Sample B, which i... | [
"sample A",
"sample B",
"neither; the samples have the same temperature"
] | 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 | |
middle | Which country is highlighted? | 1,292 | 2 | The image is a map of Australia and New Zealand. The map shows the two countries in green, with the surrounding ocean in blue. The map does not show any other countries or geographical features, and there are no labels or text on the map. The map appears to be a simple representation of the two countries, with no polit... | [
"Australia",
"Papua New Guinea",
"New Zealand",
"Vanuatu"
] | closed choice | ||
middle | Which of these states is farthest south? | 1,297 | 2 | The image is a map of the United States, with all states colored in green except for North Dakota and Vermont, which are not colored. The map shows the borders of each state and the surrounding bodies of water, including the Pacific Ocean, Atlantic Ocean, and the Gulf of Mexico. The map does not include any labels or n... | [
"North Dakota",
"Vermont",
"Rhode Island",
"Maine"
] | closed choice | ||
middle | Which solution has a higher concentration of green particles? | 1,326 | 1 | The image shows two flasks containing a solution. The flask on the left is labeled "Solution A" and has a volume of 35 mL. The flask on the right is labeled "Solvent volume: 35 mL" and also has a volume of 35 mL. Both flasks contain green spheres, which represent the solute in the solution. The image is likely used to ... | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | The diagram below is a model of two solutions. Each green ball represents one particle of solute. | closed choice | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,334 | 1 | The image shows two jars labeled "Sample A" and "Sample B". Both jars contain particles, with Sample A having blue particles and Sample B having green particles. The mass of each particle in both samples is 16 u, but the average particle speed differs, with Sample A having a speed of 610 m/s and Sample B having an aver... | [
"neither; the samples have the same temperature",
"sample B",
"sample A"
] | 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 | |
middle | Which continent is highlighted? | 1,336 | 2 | The image is a simplified world map with a blue background representing the oceans and green landmasses representing the continents. The continents are depicted in a stylized manner, with exaggerated shapes and sizes. The map does not show any country borders or labels, making it difficult to identify specific regions.... | [
"North America",
"Africa",
"Australia",
"South America"
] | closed choice | ||
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,349 | 1 | The image shows two jars labeled "Sample A" and "Sample B". Sample A contains green particles with a mass of 46 u each and an average particle speed of 630 m/s. Sample B contains purple particles with an average particle speed of 450 m/s. The jars are transparent, allowing the viewer to see the particles inside. | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | 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 | |
middle | Which ocean is highlighted? | 1,382 | 1 | The image is a stylized map of the world, with countries depicted in shades of green and blue. The oceans are shown in a lighter blue, while the continents are in a darker green. The map does not show any labels or names of countries, but the overall layout and shape of the continents are recognizable. The map has a si... | [
"the Southern Ocean",
"the Arctic Ocean",
"the Indian Ocean",
"the Atlantic Ocean"
] | closed choice | ||
difficult | What is the probability that a rose plant produced by this cross will have single flowers? | 1,386 | 1 | The image shows a table with four cells, each containing a different combination of the letters "F" and "f". The top left cell has "F", the top right cell has "f", the bottom left cell has "Ff", and the bottom right cell has "ff". The letters are in a bold, sans-serif font and are colored in blue. The background of the... | [
"3/4",
"2/4",
"1/4",
"0/4",
"4/4"
] | This passage describes the flower form trait in rose plants:
Roses may grow single flowers or double flowers. Double flowers have more petals than single flowers and are highly prized by gardeners. However, these extra petals may block or replace parts of the flower needed for reproduction. This makes double-flowered p... | closed choice | |
difficult | Which month has the lowest average precipitation in London? | 1,411 | 1 | The image is a bar graph showing the average precipitation in London, England for each month of the year. The months are listed on the horizontal axis from January to December, and the vertical axis represents the amount of precipitation in millimeters. Each month has a corresponding bar with a different color, ranging... | [
"November",
"July",
"February"
] | Use the graph to answer the question below. | closed choice | |
middle | Does this passage describe the weather or the climate? | 1,414 | 1 | The image shows a vast, dry landscape with cracked earth that extends towards the horizon. The ground is covered in large, irregularly shaped cracks that create a pattern of broken earth. In the distance, there are mountains with steep slopes and rocky surfaces. The sky is clear and blue, with the sun low on the horizo... | [
"climate",
"weather"
] | Figure: Death Valley.
Death Valley is a desert in eastern California. A record high temperature of 134°F was recorded there on July 10, 1913!
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 | |
middle | Which specific humidity level was measured within the outlined area shown? | 1,425 | 1 | The image appears to be a weather map showing temperature patterns across a geographical area. The map is color-coded, with different colors representing various temperature ranges. The green areas indicate regions with lower temperatures, while the purple and pink areas show locations with higher temperatures. There a... | [
"10 grams of water vapor per kilogram of air",
"1 grams of water vapor per kilogram of air",
"12 grams of water vapor per kilogram of air"
] | The map below shows humidity in the lower atmosphere on March 19, 2017. The map shows specific humidity, a measurement of the amount of water vapor in the air. The outlined area shows an air mass that influenced weather in Asia on that day.
Look at the map. Then, answer the question below.
Data source: United States Na... | closed choice | |
middle | What is the name of the colony shown? | 1,432 | 2 | The image is a map of the eastern United States, with the states colored in green and the surrounding areas in white. The map shows the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, Pennsylvania, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Geo... | [
"Pennsylvania",
"Kentucky",
"Connecticut",
"Delaware"
] | closed choice | ||
middle | Which country is highlighted? | 1,438 | 2 | The image is a map of the Caribbean region, showing various islands and countries. The map is primarily blue, representing the ocean, with green land masses indicating the islands. The largest island on the map is Cuba, located in the top left corner. Other notable islands include Hispaniola (shared by Haiti and the Do... | [
"Jamaica",
"Dominica",
"the Dominican Republic",
"Haiti"
] | closed choice | ||
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,441 | 2 | The image shows two jars labeled "Sample A" and "Sample B". Each jar contains particles of different colors and sizes. Sample A has green particles with an average mass of 36 u and an average particle speed of 1,600 m/s. Sample B has blue particles with the same average mass and speed as Sample A. The image appears to ... | [
"sample B",
"neither; the samples have the same temperature",
"sample A"
] | 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 | |
middle | Which material is this bracelet made of? | 1,445 | 0 | The image shows a gold-colored necklace with a chain link design. The necklace is circular in shape and appears to be made of a shiny, metallic material. The chain links are evenly spaced and have a consistent size throughout the necklace. The background of the image is plain white, which contrasts with the gold color ... | [
"metal",
"nylon"
] | closed choice | ||
middle | What is the name of the colony shown? | 1,476 | 1 | The image is a map of the United States, with the states colored in green and the oceans in blue. The map shows the eastern coast of the United States, with the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Caro... | [
"Michigan",
"New Jersey",
"Ohio",
"Pennsylvania"
] | closed choice | ||
middle | Which property do these four objects have in common? | 1,487 | 2 | The image shows two sets of marbles, one set is labeled "marbles" and the other set is labeled "ocean marbles". The marbles on the left are solid red and green, while the ocean marbles on the right are blue with white swirls, resembling waves. The background of the ocean marbles is yellow, suggesting a sandy beach. | [
"opaque",
"sweet",
"translucent"
] | Select the best answer. | closed choice | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,492 | 2 | The image shows two jars labeled as "Sample A" and "Sample B". Both jars contain particles, with Sample A having purple particles and Sample B having green particles. The image also provides information about the properties of the particles in each sample. For Sample A, the mass of each particle is given as 32 u (unifi... | [
"sample A",
"neither; the samples have the same temperature",
"sample B"
] | 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 | |
middle | Which continent is highlighted? | 1,508 | 0 | The image is a simplified world map with only the continents and oceans depicted. The continents are shown in a solid green color, while the oceans are in a light blue color. The map does not show any countries, cities, or other geographical features. It is a basic representation of the world's landmasses and water bod... | [
"Antarctica",
"Europe",
"Australia",
"North America"
] | closed choice | ||
middle | Which property do these three objects have in common? | 1,512 | 1 | The image shows a three-dimensional representation of a metal bar. The bar has a rectangular shape with rounded edges and corners, giving it a smooth and polished appearance. It is colored in shades of blue and silver, suggesting that it is made of a metallic material such as steel or aluminum. The background is white,... | [
"flexible",
"shiny",
"sticky"
] | Select the best answer. | closed choice | |
difficult | Which solution has a higher concentration of green particles? | 1,523 | 1 | The image shows two flasks containing a solution with green spheres. The left flask is labeled "Solution A" and has a volume of 45 mL, while the right flask is labeled "Solvent volume: 45 mL" and also contains 45 mL of the same solution. Both flasks have a blue background and are placed side by side. | [
"neither; their concentrations are the same",
"Solution A",
"Solution B"
] | The diagram below is a model of two solutions. Each green ball represents one particle of solute. | closed choice | |
middle | What is the probability that a pea plant produced by this cross will have green pods? | 1,524 | 4 | The image shows a 3x3 grid with the letter "d" in each cell. In the center cell, there is an additional "d" written on top of the existing "d", making it appear as "dd". The same "dd" pattern is also present in the bottom left and bottom right cells. The rest of the cells have only one "d" written in them. The backgrou... | [
"2/4",
"4/4",
"1/4",
"3/4",
"0/4"
] | In a group of pea plants, some individuals have green pods and others have yellow pods. In this group, the gene for the pod color trait has two alleles. The allele for yellow pods (d) is recessive to the allele for green pods (D).
This Punnett square shows a cross between two pea plants. | closed choice | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,536 | 1 | The image shows two identical circular diagrams with three concentric rings. The innermost ring is blue, the middle ring is orange, and the outermost ring is a lighter shade of blue. In the center of each diagram, there is a white circle with the letter "N" written in black. The diagrams are presented side by side agai... | [
"The magnitude of the magnetic force is greater in Pair 1.",
"The magnitude of the magnetic force is the same in both pairs.",
"The magnitude of the magnetic force is greater in Pair 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 | |
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,553 | 1 | The image shows two jars, labeled Sample A and Sample B, each containing several particles. The particles in Sample A are green and have an average mass of 46 u and an average speed of 1,300 m/s. The particles in Sample B are purple and have the same average mass and speed as Sample A. The image also includes a key ind... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | 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 | |
middle | Which solution has a higher concentration of purple particles? | 1,569 | 0 | The image shows two volumetric flasks, each containing a solution with purple spheres representing solute molecules. The volume of the solvent in both flasks is 25 mL. The label on the left flask reads "Solution A" and the label on the right flask reads "Solvent volume: 25 mL". The image appears to be a scientific repr... | [
"neither; their concentrations are the same",
"Solution B",
"Solution A"
] | The diagram below is a model of two solutions. Each purple ball represents one particle of solute. | closed choice | |
middle | Which property do these two objects have in common? | 1,583 | 1 | The image shows two separate pictures of food items. On the left side, there is a single cracker with holes in it, which is labeled as "cracker." On the right side, there is a red container filled with golden-brown french fries, which is labeled as "fries." The background of both images is white, and the text is in bla... | [
"soft",
"salty"
] | Select the better answer. | closed choice | |
middle | What is the name of the colony shown? | 1,588 | 2 | The image is a map of the eastern United States, with the states colored in green and the surrounding areas left blank. The map shows the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina, G... | [
"Massachusetts",
"Maryland",
"Rhode Island",
"Connecticut"
] | closed choice | ||
middle | Look at the models of molecules below. Select the elementary substance. | 1,591 | 0 | The image shows a 3D representation of the molecular structure of methanol. Methanol is an organic compound composed of carbon, hydrogen, and oxygen atoms. In this image, the atoms are represented by different colored spheres: blue for nitrogen (N), red for oxygen (O), and white for hydrogen (H). The carbon atom is not... | [
"nitrogen",
"methanol",
"methane"
] | closed choice | ||
middle | What is the probability that a tomato plant produced by this cross will have regular leaves? | 1,595 | 3 | The image shows a 3x3 grid with the letters "L" and "I" in different combinations. The top row has "L" in all three squares, the middle row has "LL" in the first two squares and "I" in the third square, and the bottom row has "I" in the first two squares and "LI" in the third square. The background of the grid is white... | [
"2/4",
"4/4",
"1/4",
"3/4",
"0/4"
] | This passage describes the leaf type trait in tomato plants:
Tomato leaves come in many types, including regular leaves and potato leaves. Regular leaves are small and have jagged edges. Potato leaves are large and have smooth edges.
In a group of tomato plants, some individuals have regular leaves and others have pota... | closed choice | |
middle | What can Jim and Sasha trade to each get what they want? | 1,605 | 3 | The image shows a list of five items, each preceded by a blue bullet point. The items listed are "a hot dog," "tomatoes," "almonds," and "water." The text is presented in a simple, unadorned font on a plain white background. | [
"Jim can trade his tomatoes for Sasha's carrots.",
"Sasha can trade her almonds for Jim's tomatoes.",
"Sasha can trade her broccoli for Jim's oranges.",
"Jim can trade his tomatoes for Sasha's broccoli."
] | 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.
Jim and Sasha open their lunch boxes in the school cafeteria. Neither Jim nor Sasha got everything that they wanted. The table be... | closed choice | |
middle | What is the probability that a rock pocket mouse produced by this cross will be homozygous dominant for the fur color gene? | 1,606 | 2 | The image shows a 2x2 matrix with the letters "f" and "F" in each cell. The top left cell has a lowercase "f", the top right cell has an uppercase "F", the bottom left cell has a lowercase "f" with a blue outline, and the bottom right cell has an uppercase "F" with a blue outline. The matrix is enclosed within a black ... | [
"4/4",
"2/4",
"0/4",
"3/4",
"1/4"
] | In a group of rock pocket mice, some individuals have dark fur and others have light fur. In this group, the gene for the fur color trait has two alleles. The allele for dark fur (F) is dominant over the allele for light fur (f).
This Punnett square shows a cross between two rock pocket mice. | closed choice | |
difficult | Which term matches the picture? | 1,616 | 0 | The image shows a close-up of a brown dog with its mouth open, tongue sticking out. The dog's eyes are half-closed and it appears to be panting, possibly from exertion or heat. The background is blurred, but it looks like the dog might be outdoors, as there are hints of greenery that could be grass or plants. The dog's... | [
"endotherm",
"ectotherm"
] | Read the text.
Most reptiles and amphibians are ectotherms. This means that when the surrounding environment is cold, their body temperatures drop, and when the surrounding environment is warm, their body temperatures rise. You may see a lizard trying to warm itself up by lying out in the sun; this is because it cannot... | closed choice | |
middle | Does this passage describe the weather or the climate? | 1,636 | 0 | The image shows a wooden bench with metal armrests and legs, situated on a grassy area. The bench is facing towards a city skyline in the background, which includes tall buildings and a distinctive tower that resembles the Space Needle. The sky above the city is partly cloudy, with patches of blue sky visible. There is... | [
"climate",
"weather"
] | Figure: Seattle.
Rising air in a low pressure system can cause clouds to build up in the sky. Low pressure systems are common in Seattle during the months of December, January, and February.
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 | |
middle | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,644 | 0 | The image shows two circular diagrams with three concentric circles each, representing a pie chart-like illustration. The outermost circle is labeled "S," the middle circle is labeled "N," and the innermost circle is also labeled "S." The colors of the circles are not specified in the image. The diagrams are presented ... | [
"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."
] | 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 | |
middle | 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. | 1,649 | 0 | The image shows a series of three blue rectangular panels, each containing green dots. The top panel has the fewest number of dots, with only two dots placed near the center. The middle panel has more dots than the top one, with four dots arranged in a square pattern. The bottom panel has the most dots, with six dots p... | [
"to the left than to the right",
"to the right than to the left"
] | The diagram below shows a solution with one solute. Each solute particle is represented by a green 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 | |
middle | Which country is highlighted? | 1,652 | 3 | The image is a map showing the location of a disputed island in the ocean. The island is represented by a green rectangle and is located near the coast of Australia, which is depicted in green on the left side of the map. The ocean surrounding the island is shown in blue, and there are several smaller islands scattered... | [
"Vanuatu",
"Solomon Islands",
"Samoa",
"the Marshall Islands"
] | closed choice | ||
middle | Which continent is highlighted? | 1,654 | 0 | The image is a map of the world, with the continents depicted in green and the oceans in blue. The map is centered on the Atlantic Ocean, with North America to the left and Europe and Africa to the right. South America is visible at the bottom left corner of the map, while Asia and Australia are not fully shown. The ma... | [
"Australia",
"Europe",
"Asia",
"North America"
] | closed choice | ||
middle | Which solution has a higher concentration of pink particles? | 1,665 | 0 | The image shows two volumetric flasks, each containing a solution with pink spherical particles. The flask on the left is labeled "Solution A" and has a volume of 35 mL. The flask on the right is labeled "Solvent volume: 35 mL" and also contains a solution with a volume of 35 mL. Both flasks have a similar appearance a... | [
"Solution A",
"neither; their concentrations are the same",
"Solution B"
] | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. | closed choice | |
difficult | Think about the magnetic force between the magnets in each pair. Which of the following statements is true? | 1,674 | 1 | The image shows three green square buttons with the letter "S" in white text on each button. The buttons are arranged in a horizontal row, with equal spacing between them. The background of the image is white. | [
"The magnetic force is stronger in Pair 1.",
"The strength of the magnetic force is the same in both pairs.",
"The magnetic force is stronger in Pair 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 | |
middle | During this time, thermal energy was transferred from () to (). | 1,681 | 0 | The image shows a pink background with white text. The text is divided into two sections, each containing the number "22" in bold, black font. The top section has the word "Initial" above the number "22," while the bottom section has the word "Final" above the number "22." The overall layout of the image is simple and ... | [
"the surroundings . . . each salmon",
"each salmon . . . the surroundings"
] | Brian 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 | |
middle | What is the probability that a pea plant produced by this cross will be homozygous recessive for the stem height gene? | 1,689 | 3 | The image shows a 3x3 grid with the letters "H" and "h" in different combinations. The top row has "H" in all three squares, the middle row has "H" in the first square, "h" in the second square, and "H" in the third square, and the bottom row has "h" in all three squares. The grid is enclosed in a white border. | [
"3/4",
"1/4",
"0/4",
"2/4",
"4/4"
] | In a group of pea plants, some individuals have a tall stem and others have a short stem. In this group, the gene for the stem height trait has two alleles. The allele for a tall stem (H) is dominant over the allele for a short stem (h).
This Punnett square shows a cross between two pea plants. | closed choice | |
middle | Which better describes the Białowieża Forest ecosystem? | 1,710 | 1 | The image shows a lush green forest with tall trees and thick underbrush. The trees have bright green leaves, indicating that it is likely spring or summer. The sunlight filters through the canopy, creating patches of light on the forest floor. The ground is covered in a dense layer of ferns and other green plants, giv... | [
"It has soil that is poor in nutrients. It also has only a few types of trees.",
"It has soil that is rich in nutrients. It also has only a few types of trees."
] | Figure: Białowieża Forest.
The Białowieża Forest is a temperate deciduous forest ecosystem in Poland and Belarus. | closed choice | |
middle | What is the name of the colony shown? | 1,717 | 3 | The image is a map of the United States, with the states colored in green and the oceans in blue. The map shows the eastern half of the country, with the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, S... | [
"Mississippi",
"New York",
"New Jersey",
"Delaware"
] | closed choice | ||
middle | Is the following statement about our solar system true or false?
Jupiter's volume is more than ten times as large as Saturn's volume. | 1,724 | 0 | The image is a table that lists the volume of each planet in our solar system, measured in kilometers cubed (km³). The table also includes information about the primary composition of each planet. The planets listed are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The primary compositions listed f... | [
"false",
"true"
] | Use the data to answer the question below. | true-or false | |
middle | What is the name of the colony shown? | 1,728 | 0 | The image is a map of the eastern United States, with the states highlighted in green. The map shows the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, Pennsylvania, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida, and parts of Ala... | [
"Rhode Island",
"Kentucky",
"Connecticut",
"Mississippi"
] | closed choice | ||
middle | Which property matches this object? | 1,754 | 1 | The image shows a glass of red grape juice with a blue rim, filled with dark red liquid. There are several whole red grapes and green leaves arranged around the base of the glass. The text "grape juice" is written in black letters at the bottom of the image. | [
"salty",
"sweet"
] | Select the better answer. | closed choice | |
middle | Which solution has a higher concentration of pink particles? | 1,762 | 0 | The image shows two flasks labeled as "Solution A" and "Solution B". Both flasks contain a clear solvent and purple solute particles. The label on the left flask indicates that the volume of the solvent is 30 mL, while the label on the right flask also indicates that the volume of the solvent is 30 mL. The image appear... | [
"Solution B",
"Solution A",
"neither; their concentrations are the same"
] | The diagram below is a model of two solutions. Each pink ball represents one particle of solute. | closed choice | |
middle | What can Tony and Celine trade to each get what they want? | 1,775 | 0 | The image shows a list of items with blue bullet points next to each one. The items listed are "a hot dog," "tomatoes," "almonds," and "water." The background is white, and there is a green border on the left side of the image. | [
"Tony can trade his tomatoes for Celine's broccoli.",
"Celine can trade her almonds for Tony's tomatoes.",
"Tony can trade his tomatoes for Celine's carrots.",
"Celine can trade her broccoli for Tony's oranges."
] | 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.
Tony and Celine open their lunch boxes in the school cafeteria. Neither Tony nor Celine got everything that they wanted. The tabl... | closed choice | |
middle | Which ocean is highlighted? | 1,802 | 0 | The image is a simplified world map with the continents represented in green and the oceans in blue. The map is centered on the Atlantic Ocean, with Africa to the left and South America to the right. The map does not show any country borders or labels, making it difficult to identify specific locations. The map appears... | [
"the Indian Ocean",
"the Atlantic Ocean",
"the Arctic Ocean",
"the Southern Ocean"
] | closed choice | ||
middle | Compare the average kinetic energies of the particles in each sample. Which sample has the higher temperature? | 1,809 | 1 | The image shows two jars labeled "Sample A" and "Sample B". Both jars contain blue particles with white lines around them, indicating their motion. The label on Sample A indicates that the mass of each particle is 46 u (unified atomic mass units) and the average particle speed is 610 m/s. The label on Sample B indicate... | [
"neither; the samples have the same temperature",
"sample A",
"sample B"
] | 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 | |
middle | Which property do these two objects have in common? | 1,813 | 1 | The image shows two separate pictures of a honey container and an ice cream cone. The honey container is on the left side and it has a yellow color with a brown lid and a spout for pouring the honey. The ice cream cone is on the right side and it has a pink color with a chocolate topping and a strawberry on top. Both i... | [
"bouncy",
"sticky"
] | Select the better answer. | closed choice |
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