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jeggers

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{ "text": [ "They move faster and move farther apart as they absorb heat.", "They move faster and remain close together as they absorb heat.", "They move more slowly but move farther apart as they lose heat.", "They move faster and move farther apart as they lose heat." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They move faster and move farther apart as they absorb heat.", "B: They move faster and remain close together as they absorb heat.", "C: They move more slowly but move farther apart as they lose heat.", "D: They move faster and move farther apart as they lose heat." ]

{ "text": [ "mutation of genes", "hybridization of species", "extinction of populations", "alteration of the environment" ], "label": [ "A", "B", "C", "D" ] }

[ "A: mutation of genes", "B: hybridization of species", "C: extinction of populations", "D: alteration of the environment" ]

{ "text": [ "falling leaves", "flowing water", "growing grass", "rising temperatures" ], "label": [ "A", "B", "C", "D" ] }

[ "A: falling leaves", "B: flowing water", "C: growing grass", "D: rising temperatures" ]

{ "text": [ "their speed of movement", "the size of their communities", "how they obtain food", "how they reproduce" ], "label": [ "1", "2", "3", "4" ] }

[ "1: their speed of movement", "2: the size of their communities", "3: how they obtain food", "4: how they reproduce" ]

{ "text": [ "a solid, a liquid, and a gas (vapor)", "a solid and a liquid", "a solid and a gas (vapor)", "a solid only" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a solid, a liquid, and a gas (vapor)", "B: a solid and a liquid", "C: a solid and a gas (vapor)", "D: a solid only" ]

{ "text": [ "gasoline", "sunlight", "aluminum", "natural gas" ], "label": [ "A", "B", "C", "D" ] }

[ "A: gasoline", "B: sunlight", "C: aluminum", "D: natural gas" ]

{ "text": [ "The summer of 1998 was one of the hottest summer seasons on record.", "Carbon dioxide gas from cars and industry is a product of burning that produces heat.", "Carbon dioxide in the upper atmosphere absorbs and re-emits heat radiated from Earth's surface.", "Radiation on Earth's surface is increasing because of a hole in the ozone layers." ], "label": [ "A", "B", "C", "D" ] }

[ "A: The summer of 1998 was one of the hottest summer seasons on record.", "B: Carbon dioxide gas from cars and industry is a product of burning that produces heat.", "C: Carbon dioxide in the upper atmosphere absorbs and re-emits heat radiated from Earth's surface.", "D: Radiation on Earth's surface is increasing because of a hole in the ozone layers." ]

{ "text": [ "Coal", "Gravel", "Granite", "Limestone" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Coal", "B: Gravel", "C: Granite", "D: Limestone" ]

{ "text": [ "a scale", "a stopwatch", "a calculator", "a thermometer" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a scale", "B: a stopwatch", "C: a calculator", "D: a thermometer" ]

{ "text": [ "A group of scientists should argue about the results.", "The two scientists should do different experiments.", "More scientists should do the experiment.", "A group of scientists should vote." ], "label": [ "A", "B", "C", "D" ] }

[ "A: A group of scientists should argue about the results.", "B: The two scientists should do different experiments.", "C: More scientists should do the experiment.", "D: A group of scientists should vote." ]

{ "text": [ "cell", "organ", "tissue", "system" ], "label": [ "A", "B", "C", "D" ] }

[ "A: cell", "B: organ", "C: tissue", "D: system" ]

{ "text": [ "sperm only", "egg only", "sperm and the egg", "testes" ], "label": [ "A", "B", "C", "D" ] }

[ "A: sperm only", "B: egg only", "C: sperm and the egg", "D: testes" ]

{ "text": [ "Ocean levels would increase.", "Human population would increase.", "Vegetation in water would decrease.", "Global precipitation would decrease." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Ocean levels would increase.", "B: Human population would increase.", "C: Vegetation in water would decrease.", "D: Global precipitation would decrease." ]

{ "text": [ "carnivores", "decomposers", "herbivores", "producers" ], "label": [ "A", "B", "C", "D" ] }

[ "A: carnivores", "B: decomposers", "C: herbivores", "D: producers" ]

{ "text": [ "model a solution", "communicate the solution", "identify the need or want", "build a prototype" ], "label": [ "A", "B", "C", "D" ] }

[ "A: model a solution", "B: communicate the solution", "C: identify the need or want", "D: build a prototype" ]

{ "text": [ "solute.", "mixture.", "solvent.", "compound." ], "label": [ "A", "B", "C", "D" ] }

[ "A: solute.", "B: mixture.", "C: solvent.", "D: compound." ]

{ "text": [ "amphibians", "birds", "mammals", "reptiles" ], "label": [ "A", "B", "C", "D" ] }

[ "A: amphibians", "B: birds", "C: mammals", "D: reptiles" ]

{ "text": [ "supporting the body and enabling it to move", "transporting oxygen, wastes, and nutrients throughout the body", "producing male and female gametes", "conducting messages to coordinate body functions" ], "label": [ "A", "B", "C", "D" ] }

[ "A: supporting the body and enabling it to move", "B: transporting oxygen, wastes, and nutrients throughout the body", "C: producing male and female gametes", "D: conducting messages to coordinate body functions" ]

{ "text": [ "appendix", "kidney", "pancreas", "stomach" ], "label": [ "A", "B", "C", "D" ] }

[ "A: appendix", "B: kidney", "C: pancreas", "D: stomach" ]

{ "text": [ "combustion", "convection", "radiation", "conduction" ], "label": [ "A", "B", "C", "D" ] }

[ "A: combustion", "B: convection", "C: radiation", "D: conduction" ]

{ "text": [ "mixing spices for the sauce", "slicing pepperoni for the topping", "spreading cheese on the pizza", "baking the dough to form the crust" ], "label": [ "A", "B", "C", "D" ] }

[ "A: mixing spices for the sauce", "B: slicing pepperoni for the topping", "C: spreading cheese on the pizza", "D: baking the dough to form the crust" ]

{ "text": [ "condensation", "evaporation", "precipitation", "erosion" ], "label": [ "A", "B", "C", "D" ] }

[ "A: condensation", "B: evaporation", "C: precipitation", "D: erosion" ]

{ "text": [ "erosion", "conduction", "condensation", "precipitation" ], "label": [ "1", "2", "3", "4" ] }

[ "1: erosion", "2: conduction", "3: condensation", "4: precipitation" ]

{ "text": [ "Both outbreaks were pandemics.", "Both outbreaks were epidemics.", "The influenza outbreak was a pandemic. The plague outbreak was an epidemic.", "The influenza outbreak was an epidemic. The plague outbreak was a pandemic." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Both outbreaks were pandemics.", "B: Both outbreaks were epidemics.", "C: The influenza outbreak was a pandemic. The plague outbreak was an epidemic.", "D: The influenza outbreak was an epidemic. The plague outbreak was a pandemic." ]

{ "text": [ "they are lighter than air.", "they have full outer electron shells.", "they have excess electrons to share.", "they easily react with other elements." ], "label": [ "A", "B", "C", "D" ] }

[ "A: they are lighter than air.", "B: they have full outer electron shells.", "C: they have excess electrons to share.", "D: they easily react with other elements." ]

{ "text": [ "grain", "rabbit", "vegetable", "tree" ], "label": [ "A", "B", "C", "D" ] }

[ "A: grain", "B: rabbit", "C: vegetable", "D: tree" ]

{ "text": [ "Light travels very fast.", "Light travels in straight lines.", "Water reflects light energy.", "Water absorbs light energy." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Light travels very fast.", "B: Light travels in straight lines.", "C: Water reflects light energy.", "D: Water absorbs light energy." ]

{ "text": [ "a bear hibernating in the winter", "a spider spinning a web in a tree", "a butterfly migrating to the south", "a dog scratching at a door to go out" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a bear hibernating in the winter", "B: a spider spinning a web in a tree", "C: a butterfly migrating to the south", "D: a dog scratching at a door to go out" ]

{ "text": [ "increased worker productivity", "faster diagnosis of medical problems", "less time required to find information", "decreased physical activity" ], "label": [ "A", "B", "C", "D" ] }

[ "A: increased worker productivity", "B: faster diagnosis of medical problems", "C: less time required to find information", "D: decreased physical activity" ]

{ "text": [ "electricity", "erosion", "gravity", "sunlight" ], "label": [ "A", "B", "C", "D" ] }

[ "A: electricity", "B: erosion", "C: gravity", "D: sunlight" ]

{ "text": [ "There is a change in how the objects are used.", "There is a change in the appearance of the objects.", "There is a change in the materials from which the objects are made.", "There is a change in both the appearance of the objects and the materials from which they are made." ], "label": [ "A", "B", "C", "D" ] }

[ "A: There is a change in how the objects are used.", "B: There is a change in the appearance of the objects.", "C: There is a change in the materials from which the objects are made.", "D: There is a change in both the appearance of the objects and the materials from which they are made." ]

{ "text": [ "wind patterns.", "cloud formation.", "volcanic activity.", "water condensation." ], "label": [ "A", "B", "C", "D" ] }

[ "A: wind patterns.", "B: cloud formation.", "C: volcanic activity.", "D: water condensation." ]

{ "text": [ "hearing", "smell", "taste", "touch" ], "label": [ "A", "B", "C", "D" ] }

[ "A: hearing", "B: smell", "C: taste", "D: touch" ]

{ "text": [ "Stem cuttings are placed in water and grow roots.", "Seeds are produced from the flower of the plant.", "Underground stems from a plant grow into new plants.", "A leaf falls to the soil, develops roots, and grows." ], "label": [ "1", "2", "3", "4" ] }

[ "1: Stem cuttings are placed in water and grow roots.", "2: Seeds are produced from the flower of the plant.", "3: Underground stems from a plant grow into new plants.", "4: A leaf falls to the soil, develops roots, and grows." ]

{ "text": [ "Sound waves traveled slowly down the canyon.", "Sound waves were absorbed by the canyon wall.", "Sound waves reflected off the canyon wall.", "Sound waves were refracted around the canyon." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Sound waves traveled slowly down the canyon.", "B: Sound waves were absorbed by the canyon wall.", "C: Sound waves reflected off the canyon wall.", "D: Sound waves were refracted around the canyon." ]

{ "text": [ "Corporate scientists have less training than other scientists.", "The results of the study may be influenced by bias.", "Privately funded science is not verified by other scientists.", "The study cannot be repeated with the same results." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Corporate scientists have less training than other scientists.", "B: The results of the study may be influenced by bias.", "C: Privately funded science is not verified by other scientists.", "D: The study cannot be repeated with the same results." ]

{ "text": [ "the transfer of energy", "the exchange of gases", "the elimination of waste", "the absorption of nutrients" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the transfer of energy", "B: the exchange of gases", "C: the elimination of waste", "D: the absorption of nutrients" ]

{ "text": [ "a pit where granite is ground up into gravel", "a neighborhood where lawn chemicals are used", "a junkyard where old cars are salvaged for parts", "a grain elevator where corn and soybeans are stored" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a pit where granite is ground up into gravel", "B: a neighborhood where lawn chemicals are used", "C: a junkyard where old cars are salvaged for parts", "D: a grain elevator where corn and soybeans are stored" ]

{ "text": [ "water and food", "food and nectar", "nectar and soil", "soil and water" ], "label": [ "A", "B", "C", "D" ] }

[ "A: water and food", "B: food and nectar", "C: nectar and soil", "D: soil and water" ]

{ "text": [ "a seal balancing a ball", "a dog getting the newspaper", "a spider spinning a web", "an ape using sign language" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a seal balancing a ball", "B: a dog getting the newspaper", "C: a spider spinning a web", "D: an ape using sign language" ]

{ "text": [ "the explosion of a massive star", "the birth of a main-sequence star", "the collapse of a medium-sized star", "the collision of one star with another" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the explosion of a massive star", "B: the birth of a main-sequence star", "C: the collapse of a medium-sized star", "D: the collision of one star with another" ]

{ "text": [ "evolution", "migration", "selective breeding", "environmental changes" ], "label": [ "1", "2", "3", "4" ] }

[ "1: evolution", "2: migration", "3: selective breeding", "4: environmental changes" ]

{ "text": [ "wind.", "clouds.", "lightning.", "tornadoes." ], "label": [ "A", "B", "C", "D" ] }

[ "A: wind.", "B: clouds.", "C: lightning.", "D: tornadoes." ]

{ "text": [ "cell wall", "mitochondria", "vacuole", "cell membrane" ], "label": [ "A", "B", "C", "D" ] }

[ "A: cell wall", "B: mitochondria", "C: vacuole", "D: cell membrane" ]

{ "text": [ "joules", "kilowatts", "kilometers", "volts" ], "label": [ "A", "B", "C", "D" ] }

[ "A: joules", "B: kilowatts", "C: kilometers", "D: volts" ]

{ "text": [ "a molecule", "a membrane", "a cell nucleus", "a spiral-shaped cell" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a molecule", "B: a membrane", "C: a cell nucleus", "D: a spiral-shaped cell" ]

{ "text": [ "Biosphere, organism, ecosystem, population", "Community, organism, ecosystem, biosphere", "Organism, population, community, ecosystem", "Population, ecosystem, community, biosphere" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Biosphere, organism, ecosystem, population", "B: Community, organism, ecosystem, biosphere", "C: Organism, population, community, ecosystem", "D: Population, ecosystem, community, biosphere" ]

{ "text": [ "the age of the soil particles", "the size of the soil particles", "the color of the soil particles", "the luster of the soil particles" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the age of the soil particles", "B: the size of the soil particles", "C: the color of the soil particles", "D: the luster of the soil particles" ]

{ "text": [ "feed lots", "private homes", "paper mills", "grocery stores" ], "label": [ "A", "B", "C", "D" ] }

[ "A: feed lots", "B: private homes", "C: paper mills", "D: grocery stores" ]

{ "text": [ "crushed rocks", "flowing water", "dead animals", "decaying vegetation" ], "label": [ "A", "B", "C", "D" ] }

[ "A: crushed rocks", "B: flowing water", "C: dead animals", "D: decaying vegetation" ]

{ "text": [ "analysis", "experiment", "conclusion", "observation" ], "label": [ "A", "B", "C", "D" ] }

[ "A: analysis", "B: experiment", "C: conclusion", "D: observation" ]

{ "text": [ "It forms a boundary between a cold air mass and a warm air mass.", "It creates the high winds around the eye of a hurricane.", "It forces the hot air along the equator to rise to areas in North America.", "It causes high pressure air masses to rotate clockwise." ], "label": [ "A", "B", "C", "D" ] }

[ "A: It forms a boundary between a cold air mass and a warm air mass.", "B: It creates the high winds around the eye of a hurricane.", "C: It forces the hot air along the equator to rise to areas in North America.", "D: It causes high pressure air masses to rotate clockwise." ]

{ "text": [ "asexual reproduction.", "gamete formation.", "natural selection.", "sexual reproduction." ], "label": [ "A", "B", "C", "D" ] }

[ "A: asexual reproduction.", "B: gamete formation.", "C: natural selection.", "D: sexual reproduction." ]

{ "text": [ "brightness.", "composition.", "diameter.", "temperature." ], "label": [ "A", "B", "C", "D" ] }

[ "A: brightness.", "B: composition.", "C: diameter.", "D: temperature." ]

{ "text": [ "They have no roots to anchor them to the ocean floor.", "They can live only where there is light.", "The pressure is too great for them to survive below 100 meters.", "If the algae lived below 100 meters they would be eaten by animals." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They have no roots to anchor them to the ocean floor.", "B: They can live only where there is light.", "C: The pressure is too great for them to survive below 100 meters.", "D: If the algae lived below 100 meters they would be eaten by animals." ]

{ "text": [ "the surface of the Sun", "the ring system of Saturn", "between Mars and Jupiter", "between Mercury and Venus" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the surface of the Sun", "B: the ring system of Saturn", "C: between Mars and Jupiter", "D: between Mercury and Venus" ]

{ "text": [ "releasing of hormones in skin", "changing in volume of fat and muscle cells", "signaling by sensory neurons", "changing of voltage in interneurons" ], "label": [ "A", "B", "C", "D" ] }

[ "A: releasing of hormones in skin", "B: changing in volume of fat and muscle cells", "C: signaling by sensory neurons", "D: changing of voltage in interneurons" ]

{ "text": [ "virus", "amoeba", "mushroom", "ant" ], "label": [ "A", "B", "C", "D" ] }

[ "A: virus", "B: amoeba", "C: mushroom", "D: ant" ]

{ "text": [ "a mixture", "a metal", "an element", "a compound" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a mixture", "B: a metal", "C: an element", "D: a compound" ]

{ "text": [ "air pressure", "bright light", "wind", "fog" ], "label": [ "A", "B", "C", "D" ] }

[ "A: air pressure", "B: bright light", "C: wind", "D: fog" ]

{ "text": [ "Stir the mixture into hot water to dissolve the sand.", "Strain the mixture through a paper filter to collect the sand.", "Drag a magnet through the mixture to attract the iron filings.", "Shake the mixture to cause the iron filings to settle to the bottom." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Stir the mixture into hot water to dissolve the sand.", "B: Strain the mixture through a paper filter to collect the sand.", "C: Drag a magnet through the mixture to attract the iron filings.", "D: Shake the mixture to cause the iron filings to settle to the bottom." ]

{ "text": [ "crust", "inner core", "mantle", "outer core" ], "label": [ "A", "B", "C", "D" ] }

[ "A: crust", "B: inner core", "C: mantle", "D: outer core" ]

{ "text": [ "arches and faults", "sand dunes and arches", "meanders and moraines", "moraines and sand dunes" ], "label": [ "A", "B", "C", "D" ] }

[ "A: arches and faults", "B: sand dunes and arches", "C: meanders and moraines", "D: moraines and sand dunes" ]

{ "text": [ "pie chart", "bar graph", "line graph", "scatterplot" ], "label": [ "A", "B", "C", "D" ] }

[ "A: pie chart", "B: bar graph", "C: line graph", "D: scatterplot" ]

{ "text": [ "Sunlight on the skin produces energy.", "Water provides the majority of energy.", "Food and oxygen combine to deliver energy.", "Sleep provides energy stored at night for the next day." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Sunlight on the skin produces energy.", "B: Water provides the majority of energy.", "C: Food and oxygen combine to deliver energy.", "D: Sleep provides energy stored at night for the next day." ]

{ "text": [ "migration", "hibernation", "germination", "evaporation" ], "label": [ "A", "B", "C", "D" ] }

[ "A: migration", "B: hibernation", "C: germination", "D: evaporation" ]

{ "text": [ "muscular system", "circulatory system", "nervous system", "skeletal system" ], "label": [ "A", "B", "C", "D" ] }

[ "A: muscular system", "B: circulatory system", "C: nervous system", "D: skeletal system" ]

{ "text": [ "an atom.", "a mixture.", "a molecule.", "a compound." ], "label": [ "A", "B", "C", "D" ] }

[ "A: an atom.", "B: a mixture.", "C: a molecule.", "D: a compound." ]

{ "text": [ "a photograph of an active volcano", "a map showing the location of a volcano", "a table of famous volcanoes and last known eruptions", "a diagram showing the structure of a volcano" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a photograph of an active volcano", "B: a map showing the location of a volcano", "C: a table of famous volcanoes and last known eruptions", "D: a diagram showing the structure of a volcano" ]

{ "text": [ "The baseball strikes the roof.", "The roof of the car dents.", "The paint cracks and chips.", "The exposed metal rusts." ], "label": [ "1", "2", "3", "4" ] }

[ "1: The baseball strikes the roof.", "2: The roof of the car dents.", "3: The paint cracks and chips.", "4: The exposed metal rusts." ]

{ "text": [ "fuel oil", "natural gas", "wind", "coal" ], "label": [ "1", "2", "3", "4" ] }

[ "1: fuel oil", "2: natural gas", "3: wind", "4: coal" ]

{ "text": [ "mechanical to electrical", "mechanical to thermal", "chemical to electrical", "chemical to thermal" ], "label": [ "A", "B", "C", "D" ] }

[ "A: mechanical to electrical", "B: mechanical to thermal", "C: chemical to electrical", "D: chemical to thermal" ]

{ "text": [ "Does the organism have cells?", "Does the organism reproduce?", "Does the organism live in the forest?", "Does the organism make its own food?" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Does the organism have cells?", "B: Does the organism reproduce?", "C: Does the organism live in the forest?", "D: Does the organism make its own food?" ]

{ "text": [ "analyzing only melted ice cores.", "analyzing more than one ice core.", "comparing their data to the expected results.", "comparing their data to modern pollution levels." ], "label": [ "A", "B", "C", "D" ] }

[ "A: analyzing only melted ice cores.", "B: analyzing more than one ice core.", "C: comparing their data to the expected results.", "D: comparing their data to modern pollution levels." ]

{ "text": [ "the ground to bacteria.", "the Sun to plants.", "plants to animals.", "animals to air." ], "label": [ "A", "B", "C", "D" ] }

[ "A: the ground to bacteria.", "B: the Sun to plants.", "C: plants to animals.", "D: animals to air." ]

{ "text": [ "a forest fire", "a rainstorm", "a snow storm", "a sinkhole" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a forest fire", "B: a rainstorm", "C: a snow storm", "D: a sinkhole" ]

{ "text": [ "orbiting planets in the solar system.", "a partial view of the Milky Way galaxy.", "an asteroid orbiting the Sun.", "light from stars in a distant galaxy." ], "label": [ "A", "B", "C", "D" ] }

[ "A: orbiting planets in the solar system.", "B: a partial view of the Milky Way galaxy.", "C: an asteroid orbiting the Sun.", "D: light from stars in a distant galaxy." ]

{ "text": [ "an atom", "a compound", "an electron", "a molecule" ], "label": [ "A", "B", "C", "D" ] }

[ "A: an atom", "B: a compound", "C: an electron", "D: a molecule" ]

{ "text": [ "Earth's rotation", "Earth's revolution", "the Moon's rotation", "the Moon's revolution" ], "label": [ "1", "2", "3", "4" ] }

[ "1: Earth's rotation", "2: Earth's revolution", "3: the Moon's rotation", "4: the Moon's revolution" ]

{ "text": [ "intrusive structures", "metamorphic rocks", "volcanic mountains", "sedimentary rocks" ], "label": [ "A", "B", "C", "D" ] }

[ "A: intrusive structures", "B: metamorphic rocks", "C: volcanic mountains", "D: sedimentary rocks" ]

{ "text": [ "the mantle", "the inner core", "the outer core", "the crust" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the mantle", "B: the inner core", "C: the outer core", "D: the crust" ]

{ "text": [ "specific beliefs", "fingerprints", "memories", "nose shape" ], "label": [ "A", "B", "C", "D" ] }

[ "A: specific beliefs", "B: fingerprints", "C: memories", "D: nose shape" ]

{ "text": [ "The density of the object is greater on Earth than it is on Mars.", "The volume of the object is greater on Earth than it is on Mars.", "Gravitational force is greater on Earth than it is on Mars.", "Atmospheric pressure is less on Earth than it is on Mars." ], "label": [ "A", "B", "C", "D" ] }

[ "A: The density of the object is greater on Earth than it is on Mars.", "B: The volume of the object is greater on Earth than it is on Mars.", "C: Gravitational force is greater on Earth than it is on Mars.", "D: Atmospheric pressure is less on Earth than it is on Mars." ]

{ "text": [ "muddy paws", "spotted fur", "broken foot", "scar on face" ], "label": [ "A", "B", "C", "D" ] }

[ "A: muddy paws", "B: spotted fur", "C: broken foot", "D: scar on face" ]

{ "text": [ "transmission of acquired characteristics.", "use or disuse of their beaks.", "natural mutagens.", "natural selection." ], "label": [ "A", "B", "C", "D" ] }

[ "A: transmission of acquired characteristics.", "B: use or disuse of their beaks.", "C: natural mutagens.", "D: natural selection." ]

{ "text": [ "Black-and-gray crystalline rocks", "Shiny rocks with smooth textures", "Rocks with visible pieces of shells in them", "Rocks with small interlocking crystals in them" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Black-and-gray crystalline rocks", "B: Shiny rocks with smooth textures", "C: Rocks with visible pieces of shells in them", "D: Rocks with small interlocking crystals in them" ]

{ "text": [ "chemical", "electrical", "sound", "mechanical" ], "label": [ "A", "B", "C", "D" ] }

[ "A: chemical", "B: electrical", "C: sound", "D: mechanical" ]

{ "text": [ "supernova", "supergiant", "neutron star", "white dwarf" ], "label": [ "A", "B", "C", "D" ] }

[ "A: supernova", "B: supergiant", "C: neutron star", "D: white dwarf" ]

{ "text": [ "a collection of gases held together by inertia", "a group of planets revolving around a single star", "a collection of stars and gases with the Sun as its center", "a group of stars, dust, and planets held together by gravity" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a collection of gases held together by inertia", "B: a group of planets revolving around a single star", "C: a collection of stars and gases with the Sun as its center", "D: a group of stars, dust, and planets held together by gravity" ]

{ "text": [ "immune and digestive systems", "digestive and endocrine systems", "reproductive and immune systems", "endocrine and reproductive systems" ], "label": [ "A", "B", "C", "D" ] }

[ "A: immune and digestive systems", "B: digestive and endocrine systems", "C: reproductive and immune systems", "D: endocrine and reproductive systems" ]

{ "text": [ "were single-celled.", "had organ systems.", "were multi-cellular.", "had small appendages." ], "label": [ "A", "B", "C", "D" ] }

[ "A: were single-celled.", "B: had organ systems.", "C: were multi-cellular.", "D: had small appendages." ]

{ "text": [ "Population size remains constant.", "Beneficial mutations are inevitable.", "Genetic variation is maximized.", "Large quantities of individuals can be produced rapidly." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Population size remains constant.", "B: Beneficial mutations are inevitable.", "C: Genetic variation is maximized.", "D: Large quantities of individuals can be produced rapidly." ]

{ "text": [ "using several pulleys together instead of a single pulley", "using a fixed pulley instead of a moveable pulley", "pulling a long rope instead of a short rope", "pulling a rope up instead of down" ], "label": [ "A", "B", "C", "D" ] }

[ "A: using several pulleys together instead of a single pulley", "B: using a fixed pulley instead of a moveable pulley", "C: pulling a long rope instead of a short rope", "D: pulling a rope up instead of down" ]

{ "text": [ "a shady forest", "a snowy field", "a grassy lawn", "a muddy riverbank" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a shady forest", "B: a snowy field", "C: a grassy lawn", "D: a muddy riverbank" ]

{ "text": [ "heat", "mechanical", "chemical", "sound" ], "label": [ "A", "B", "C", "D" ] }

[ "A: heat", "B: mechanical", "C: chemical", "D: sound" ]

{ "text": [ "Carrying nutrients throughout the plant", "Converting solar energy into sugar", "Creating shade for the plant", "Absorbing water from the ground" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Carrying nutrients throughout the plant", "B: Converting solar energy into sugar", "C: Creating shade for the plant", "D: Absorbing water from the ground" ]

{ "text": [ "asthma", "malaria", "strep throat", "hay fever" ], "label": [ "A", "B", "C", "D" ] }

[ "A: asthma", "B: malaria", "C: strep throat", "D: hay fever" ]

{ "text": [ "feedback", "metabolism", "dynamic equilibrium", "biological adaptation" ], "label": [ "1", "2", "3", "4" ] }

[ "1: feedback", "2: metabolism", "3: dynamic equilibrium", "4: biological adaptation" ]

{ "text": [ "electrical", "magnetic", "mechanical", "thermal" ], "label": [ "A", "B", "C", "D" ] }

[ "A: electrical", "B: magnetic", "C: mechanical", "D: thermal" ]

{ "text": [ "the mass of each rock", "the type of rock tested", "the length of time of the test", "the amount of dissolved rock" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the mass of each rock", "B: the type of rock tested", "C: the length of time of the test", "D: the amount of dissolved rock" ]