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{ "text": [ "recycling aluminum cans.", "emptying waste baskets.", "wearing warmer clothes.", "eating all of their lunch." ], "label": [ "A", "B", "C", "D" ] }

[ "A: recycling aluminum cans.", "B: emptying waste baskets.", "C: wearing warmer clothes.", "D: eating all of their lunch." ]

{ "text": [ "erosion.", "deposition.", "an earthquake.", "volcanic activity." ], "label": [ "A", "B", "C", "D" ] }

[ "A: erosion.", "B: deposition.", "C: an earthquake.", "D: volcanic activity." ]

{ "text": [ "lakes", "oceans", "rivers", "glaciers" ], "label": [ "A", "B", "C", "D" ] }

[ "A: lakes", "B: oceans", "C: rivers", "D: glaciers" ]

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

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

{ "text": [ "erosion", "flooding", "breakage", "evaporation" ], "label": [ "A", "B", "C", "D" ] }

[ "A: erosion", "B: flooding", "C: breakage", "D: evaporation" ]

{ "text": [ "hibernation", "migration", "camouflage", "movement" ], "label": [ "A", "B", "C", "D" ] }

[ "A: hibernation", "B: migration", "C: camouflage", "D: movement" ]

{ "text": [ "by replacing paper", "by reducing pollution", "by improving transportation", "by increasing communication" ], "label": [ "A", "B", "C", "D" ] }

[ "A: by replacing paper", "B: by reducing pollution", "C: by improving transportation", "D: by increasing communication" ]

{ "text": [ "water", "houses", "electricity", "roads" ], "label": [ "A", "B", "C", "D" ] }

[ "A: water", "B: houses", "C: electricity", "D: roads" ]

{ "text": [ "decrease in water temperature.", "reduction in oxygen levels.", "decrease in food supply.", "removal of minerals." ], "label": [ "A", "B", "C", "D" ] }

[ "A: decrease in water temperature.", "B: reduction in oxygen levels.", "C: decrease in food supply.", "D: removal of minerals." ]

{ "text": [ "ice", "plants", "steady winds", "moving water" ], "label": [ "A", "B", "C", "D" ] }

[ "A: ice", "B: plants", "C: steady winds", "D: moving water" ]

{ "text": [ "in a diagram", "in an oral report", "in a written report", "in a photo essay" ], "label": [ "A", "B", "C", "D" ] }

[ "A: in a diagram", "B: in an oral report", "C: in a written report", "D: in a photo essay" ]

{ "text": [ "low rainfall", "hot temperature", "polar bear", "horned lizard" ], "label": [ "A", "B", "C", "D" ] }

[ "A: low rainfall", "B: hot temperature", "C: polar bear", "D: horned lizard" ]

{ "text": [ "lever", "pulley", "inclined plane", "wheel and axle" ], "label": [ "A", "B", "C", "D" ] }

[ "A: lever", "B: pulley", "C: inclined plane", "D: wheel and axle" ]

{ "text": [ "putting them in the freezer", "burning them with a candle", "cutting them into small pieces", "mixing them with pieces of copper" ], "label": [ "A", "B", "C", "D" ] }

[ "A: putting them in the freezer", "B: burning them with a candle", "C: cutting them into small pieces", "D: mixing them with pieces of copper" ]

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

[ "A: a tissue", "B: an organ", "C: an organ system", "D: an organism" ]

{ "text": [ "heat", "light", "sound", "electrical" ], "label": [ "A", "B", "C", "D" ] }

[ "A: heat", "B: light", "C: sound", "D: electrical" ]

{ "text": [ "dumping garbage in a small part of the forest", "building a road through the middle of the forest", "burning dead trees to make smoke in the air", "preventing too many trees from being cut down" ], "label": [ "A", "B", "C", "D" ] }

[ "A: dumping garbage in a small part of the forest", "B: building a road through the middle of the forest", "C: burning dead trees to make smoke in the air", "D: preventing too many trees from being cut down" ]

{ "text": [ "Leaves help the plant make food.", "Leaves help the plant absorb water.", "Leaves help the plant stand upright.", "Leaves help the plant make seeds." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Leaves help the plant make food.", "B: Leaves help the plant absorb water.", "C: Leaves help the plant stand upright.", "D: Leaves help the plant make seeds." ]

{ "text": [ "a heavier nucleus.", "a greater atomic mass.", "more electrons than protons.", "more electrons than neutrons." ], "label": [ "A", "B", "C", "D" ] }

[ "A: a heavier nucleus.", "B: a greater atomic mass.", "C: more electrons than protons.", "D: more electrons than neutrons." ]

{ "text": [ "Earthquake intensity will decrease.", "Mountain formation will decrease.", "Rock weathering will increase.", "Evaporation will increase." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Earthquake intensity will decrease.", "B: Mountain formation will decrease.", "C: Rock weathering will increase.", "D: Evaporation will increase." ]

{ "text": [ "oil", "moving water", "sunlight", "biomass" ], "label": [ "1", "2", "3", "4" ] }

[ "1: oil", "2: moving water", "3: sunlight", "4: biomass" ]

{ "text": [ "volcanoes", "earthquakes", "new rock is formed", "layers rise to the surface" ], "label": [ "A", "B", "C", "D" ] }

[ "A: volcanoes", "B: earthquakes", "C: new rock is formed", "D: layers rise to the surface" ]

{ "text": [ "sand", "oxygen", "the Sun", "the ocean" ], "label": [ "A", "B", "C", "D" ] }

[ "A: sand", "B: oxygen", "C: the Sun", "D: the ocean" ]

{ "text": [ "They weather rocks with acid.", "They strip the rocks of minerals.", "They break rocks into small pieces.", "They increase the density of the rocks." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They weather rocks with acid.", "B: They strip the rocks of minerals.", "C: They break rocks into small pieces.", "D: They increase the density of the rocks." ]

{ "text": [ "perform investigations using only new materials", "throw away glass items after investigations are complete", "clean up all materials and workspaces after investigations", "eat in the laboratory only after investigations are complete" ], "label": [ "A", "B", "C", "D" ] }

[ "A: perform investigations using only new materials", "B: throw away glass items after investigations are complete", "C: clean up all materials and workspaces after investigations", "D: eat in the laboratory only after investigations are complete" ]

{ "text": [ "Earth rotates on its axis.", "The stars orbit each other.", "Earth revolves around the Sun.", "The stars rotate with the Moon." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Earth rotates on its axis.", "B: The stars orbit each other.", "C: Earth revolves around the Sun.", "D: The stars rotate with the Moon." ]

{ "text": [ "selective breeding.", "natural selection.", "genetic engineering.", "gene sequencing." ], "label": [ "A", "B", "C", "D" ] }

[ "A: selective breeding.", "B: natural selection.", "C: genetic engineering.", "D: gene sequencing." ]

{ "text": [ "Consumers take on the ecological role of producers.", "Only secondary consumers obtain the resources they need.", "The carrying capacity of the soil for plant growth is reduced.", "The remaining organisms in the area become more territorial." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Consumers take on the ecological role of producers.", "B: Only secondary consumers obtain the resources they need.", "C: The carrying capacity of the soil for plant growth is reduced.", "D: The remaining organisms in the area become more territorial." ]

{ "text": [ "Mars is closer to the Sun than Earth.", "Neptune is one light-year from the Sun.", "Jupiter is farther from the Sun than Uranus.", "Earth is one astronomical unit from the Sun." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Mars is closer to the Sun than Earth.", "B: Neptune is one light-year from the Sun.", "C: Jupiter is farther from the Sun than Uranus.", "D: Earth is one astronomical unit from the Sun." ]

{ "text": [ "Farmers can cut different types of trees.", "Farmers can remove more trees in less time.", "Farmers can replant more trees in the fields.", "Farmers can produce more products from the trees." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Farmers can cut different types of trees.", "B: Farmers can remove more trees in less time.", "C: Farmers can replant more trees in the fields.", "D: Farmers can produce more products from the trees." ]

{ "text": [ "an electric current", "friction on wheels", "an increase in gravity", "a decrease in heat" ], "label": [ "A", "B", "C", "D" ] }

[ "A: an electric current", "B: friction on wheels", "C: an increase in gravity", "D: a decrease in heat" ]

{ "text": [ "archaea", "bacteria", "fungi", "plants" ], "label": [ "A", "B", "C", "D" ] }

[ "A: archaea", "B: bacteria", "C: fungi", "D: plants" ]

{ "text": [ "breathing mask", "safety goggles", "rubber gloves", "lead smock" ], "label": [ "A", "B", "C", "D" ] }

[ "A: breathing mask", "B: safety goggles", "C: rubber gloves", "D: lead smock" ]

{ "text": [ "speeding up the process of decay.", "taking nonliving matter from the environment.", "slowing the spread of disease.", "helping to distribute seeds." ], "label": [ "A", "B", "C", "D" ] }

[ "A: speeding up the process of decay.", "B: taking nonliving matter from the environment.", "C: slowing the spread of disease.", "D: helping to distribute seeds." ]

{ "text": [ "neutralization", "dilution", "titration", "physical reaction" ], "label": [ "A", "B", "C", "D" ] }

[ "A: neutralization", "B: dilution", "C: titration", "D: physical reaction" ]

{ "text": [ "as an inhibitor of insulin production", "as an enzyme that aids in digestion", "as a catalyst for protein synthesis", "as a receptor of fatty acid chains" ], "label": [ "A", "B", "C", "D" ] }

[ "A: as an inhibitor of insulin production", "B: as an enzyme that aids in digestion", "C: as a catalyst for protein synthesis", "D: as a receptor of fatty acid chains" ]

{ "text": [ "air.", "steel.", "water.", "a vacuum." ], "label": [ "A", "B", "C", "D" ] }

[ "A: air.", "B: steel.", "C: water.", "D: a vacuum." ]

{ "text": [ "to use up all the materials", "to give all the students the chance to participate", "to collect more data to fit the hypothesis", "to determine if the results are similar" ], "label": [ "A", "B", "C", "D" ] }

[ "A: to use up all the materials", "B: to give all the students the chance to participate", "C: to collect more data to fit the hypothesis", "D: to determine if the results are similar" ]

{ "text": [ "gravity", "friction", "magnetism", "electricity" ], "label": [ "A", "B", "C", "D" ] }

[ "A: gravity", "B: friction", "C: magnetism", "D: electricity" ]

{ "text": [ "The mosquito larvae would take longer to become pupae.", "The adult mosquitoes would have fewer places to lay eggs.", "The adult mosquitoes would get fluids by feeding more often.", "The mosquito larvae would use their breathing tubes to live on land." ], "label": [ "A", "B", "C", "D" ] }

[ "A: The mosquito larvae would take longer to become pupae.", "B: The adult mosquitoes would have fewer places to lay eggs.", "C: The adult mosquitoes would get fluids by feeding more often.", "D: The mosquito larvae would use their breathing tubes to live on land." ]

{ "text": [ "blue", "white", "red", "yellow" ], "label": [ "A", "B", "C", "D" ] }

[ "A: blue", "B: white", "C: red", "D: yellow" ]

{ "text": [ "A fever is an internal response to an external stimulus.", "A fever is an internal response to an internal stimulus.", "A fever is an external response to an external stimulus.", "A fever is an external response to an internal stimulus." ], "label": [ "A", "B", "C", "D" ] }

[ "A: A fever is an internal response to an external stimulus.", "B: A fever is an internal response to an internal stimulus.", "C: A fever is an external response to an external stimulus.", "D: A fever is an external response to an internal stimulus." ]

{ "text": [ "the direction of the road", "the direction of the forces", "the weight of the two people", "the weight of the automobile" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the direction of the road", "B: the direction of the forces", "C: the weight of the two people", "D: the weight of the automobile" ]

{ "text": [ "as a hypothesis", "as a conclusion", "as a theory", "as a statement" ], "label": [ "A", "B", "C", "D" ] }

[ "A: as a hypothesis", "B: as a conclusion", "C: as a theory", "D: as a statement" ]

{ "text": [ "1", "28", "365", "1440" ], "label": [ "A", "B", "C", "D" ] }

[ "A: 1", "B: 28", "C: 365", "D: 1440" ]

{ "text": [ "reflects the sunlight", "absorbs heat", "causes evaporation", "conducts electricity" ], "label": [ "A", "B", "C", "D" ] }

[ "A: reflects the sunlight", "B: absorbs heat", "C: causes evaporation", "D: conducts electricity" ]

{ "text": [ "color", "odor", "size", "texture" ], "label": [ "A", "B", "C", "D" ] }

[ "A: color", "B: odor", "C: size", "D: texture" ]

{ "text": [ "carbon dioxide (CO2) and hydrogen (H2)", "oxygen (O2) and carbon dioxide (CO2)", "carbon dioxide (CO2) and water (H2O)", "oxygen (O2) and water (H2O)" ], "label": [ "A", "B", "C", "D" ] }

[ "A: carbon dioxide (CO2) and hydrogen (H2)", "B: oxygen (O2) and carbon dioxide (CO2)", "C: carbon dioxide (CO2) and water (H2O)", "D: oxygen (O2) and water (H2O)" ]

{ "text": [ "What is the composition of the cell walls?", "Is a cell membrane also present?", "Can any substances pass through the cell walls?", "Do the cell walls help the cell to survive?" ], "label": [ "A", "B", "C", "D" ] }

[ "A: What is the composition of the cell walls?", "B: Is a cell membrane also present?", "C: Can any substances pass through the cell walls?", "D: Do the cell walls help the cell to survive?" ]

{ "text": [ "The emigration rate will decrease.", "The competition rate will decrease.", "The birth rate will increase.", "The death rate will increase." ], "label": [ "A", "B", "C", "D" ] }

[ "A: The emigration rate will decrease.", "B: The competition rate will decrease.", "C: The birth rate will increase.", "D: The death rate will increase." ]

{ "text": [ "They will be squeezed out onto deltas.", "They will recrystallize into new rock.", "They will become part of Earth's outer core.", "They will melt in magma chambers." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They will be squeezed out onto deltas.", "B: They will recrystallize into new rock.", "C: They will become part of Earth's outer core.", "D: They will melt in magma chambers." ]

{ "text": [ "They make small objects easier to see.", "They make distant objects appear closer.", "They reduce the glare from shiny objects.", "The improve the brightness of dim objects." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They make small objects easier to see.", "B: They make distant objects appear closer.", "C: They reduce the glare from shiny objects.", "D: The improve the brightness of dim objects." ]

{ "text": [ "oxygen", "nitrogen", "carbon dioxide", "hydrogen peroxide" ], "label": [ "A", "B", "C", "D" ] }

[ "A: oxygen", "B: nitrogen", "C: carbon dioxide", "D: hydrogen peroxide" ]

{ "text": [ "arteries", "glands", "muscles", "nerves", "veins" ], "label": [ "A", "B", "C", "D", "E" ] }

[ "A: arteries", "B: glands", "C: muscles", "D: nerves", "E: veins" ]

{ "text": [ "availability of plants", "concentration of bacteria", "quality of water", "number of consumers" ], "label": [ "A", "B", "C", "D" ] }

[ "A: availability of plants", "B: concentration of bacteria", "C: quality of water", "D: number of consumers" ]

{ "text": [ "land subsidence.", "deposition from currents.", "wind and water erosion.", "volcanic activity." ], "label": [ "A", "B", "C", "D" ] }

[ "A: land subsidence.", "B: deposition from currents.", "C: wind and water erosion.", "D: volcanic activity." ]

{ "text": [ "egg cell", "sperm cell", "nucleus", "gene" ], "label": [ "1", "2", "3", "4" ] }

[ "1: egg cell", "2: sperm cell", "3: nucleus", "4: gene" ]

{ "text": [ "smell", "taste", "sight", "sound" ], "label": [ "A", "B", "C", "D" ] }

[ "A: smell", "B: taste", "C: sight", "D: sound" ]

{ "text": [ "to fight off predators", "to produce a toxin that makes them taste bad", "to lay hundreds of eggs so a few will survive", "to dig a hole and hide from predators" ], "label": [ "A", "B", "C", "D" ] }

[ "A: to fight off predators", "B: to produce a toxin that makes them taste bad", "C: to lay hundreds of eggs so a few will survive", "D: to dig a hole and hide from predators" ]

{ "text": [ "providing structural support to muscles", "carrying oxygen to cells", "getting energy from food", "sending messages to the brain" ], "label": [ "A", "B", "C", "D" ] }

[ "A: providing structural support to muscles", "B: carrying oxygen to cells", "C: getting energy from food", "D: sending messages to the brain" ]

{ "text": [ "a candle burning", "a shoelace being tied", "a pipe being cut in half", "a block of ice melting" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a candle burning", "B: a shoelace being tied", "C: a pipe being cut in half", "D: a block of ice melting" ]

{ "text": [ "eyes", "fur", "a brain", "a heart" ], "label": [ "A", "B", "C", "D" ] }

[ "A: eyes", "B: fur", "C: a brain", "D: a heart" ]

{ "text": [ "wind.", "rocks.", "leaves.", "rainwater." ], "label": [ "A", "B", "C", "D" ] }

[ "A: wind.", "B: rocks.", "C: leaves.", "D: rainwater." ]

{ "text": [ "a solid natural material with a crystal structure", "a material that was once living but has decayed", "a liquid chemical used to make soil more fertile", "a nutrient produced by plants that other organisms need" ], "label": [ "A", "B", "C", "D" ] }

[ "A: a solid natural material with a crystal structure", "B: a material that was once living but has decayed", "C: a liquid chemical used to make soil more fertile", "D: a nutrient produced by plants that other organisms need" ]

{ "text": [ "seaweed", "turtle", "dolphin", "crab" ], "label": [ "A", "B", "C", "D" ] }

[ "A: seaweed", "B: turtle", "C: dolphin", "D: crab" ]

{ "text": [ "one", "two", "three", "four" ], "label": [ "A", "B", "C", "D" ] }

[ "A: one", "B: two", "C: three", "D: four" ]

{ "text": [ "Heavy rainfall increases soil erosion.", "Melting glaciers cause sea levels to rise.", "Cold temperatures cause rocks to weather.", "Drought conditions increase competition among consumers." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Heavy rainfall increases soil erosion.", "B: Melting glaciers cause sea levels to rise.", "C: Cold temperatures cause rocks to weather.", "D: Drought conditions increase competition among consumers." ]

{ "text": [ "Particles are heated by the Sun.", "Particles are melted together by magma.", "Particles are compressed into layers.", "Particles are changed into liquids." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Particles are heated by the Sun.", "B: Particles are melted together by magma.", "C: Particles are compressed into layers.", "D: Particles are changed into liquids." ]

{ "text": [ "athlete's foot - fungi", "malaria - viruses", "influenza - bacteria", "pneumonia - protists" ], "label": [ "A", "B", "C", "D" ] }

[ "A: athlete's foot - fungi", "B: malaria - viruses", "C: influenza - bacteria", "D: pneumonia - protists" ]

{ "text": [ "pollination of flowers", "transportation of nutrients", "discouraging predation", "responding to the environment" ], "label": [ "A", "B", "C", "D" ] }

[ "A: pollination of flowers", "B: transportation of nutrients", "C: discouraging predation", "D: responding to the environment" ]

{ "text": [ "contact with environmental sources", "contact with an infected animal", "contact with a contaminated object", "contact with an infected person" ], "label": [ "A", "B", "C", "D" ] }

[ "A: contact with environmental sources", "B: contact with an infected animal", "C: contact with a contaminated object", "D: contact with an infected person" ]

{ "text": [ "cook food to proper temperatures.", "combine different types of food.", "store food in glass containers.", "defrost meat slowly on the counter." ], "label": [ "A", "B", "C", "D" ] }

[ "A: cook food to proper temperatures.", "B: combine different types of food.", "C: store food in glass containers.", "D: defrost meat slowly on the counter." ]

{ "text": [ "A control group was not used.", "The same type of pot and soil was used.", "Each plant received the same amount of water.", "Too much data will be collected in three weeks." ], "label": [ "A", "B", "C", "D" ] }

[ "A: A control group was not used.", "B: The same type of pot and soil was used.", "C: Each plant received the same amount of water.", "D: Too much data will be collected in three weeks." ]

{ "text": [ "Water droplets evaporate into vapor.", "Water vapor condenses into droplets.", "Condensation evaporates into precipitation.", "Precipitation condenses into water droplets." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Water droplets evaporate into vapor.", "B: Water vapor condenses into droplets.", "C: Condensation evaporates into precipitation.", "D: Precipitation condenses into water droplets." ]

{ "text": [ "It was once below a waterfall.", "It was once part of a riverbed.", "It was once covered by an ocean.", "It was once near a freshwater lake." ], "label": [ "A", "B", "C", "D" ] }

[ "A: It was once below a waterfall.", "B: It was once part of a riverbed.", "C: It was once covered by an ocean.", "D: It was once near a freshwater lake." ]

{ "text": [ "centimeter", "kilometer", "millimeter", "meter" ], "label": [ "A", "B", "C", "D" ] }

[ "A: centimeter", "B: kilometer", "C: millimeter", "D: meter" ]

{ "text": [ "electricity", "friction", "gravity", "magnetism" ], "label": [ "A", "B", "C", "D" ] }

[ "A: electricity", "B: friction", "C: gravity", "D: magnetism" ]

{ "text": [ "Linus Pauling", "Gregor Mendel", "James Watson", "Albert Einstein" ], "label": [ "A", "B", "C", "D" ] }

[ "A: Linus Pauling", "B: Gregor Mendel", "C: James Watson", "D: Albert Einstein" ]

{ "text": [ "the discovery of cells", "the identification of weather patterns", "detailed observation of planets", "communication between distant cities" ], "label": [ "A", "B", "C", "D" ] }

[ "A: the discovery of cells", "B: the identification of weather patterns", "C: detailed observation of planets", "D: communication between distant cities" ]

{ "text": [ "graduated cylinder", "pan balance", "ruler", "thermometer" ], "label": [ "A", "B", "C", "D" ] }

[ "A: graduated cylinder", "B: pan balance", "C: ruler", "D: thermometer" ]

{ "text": [ "They get bigger.", "They move faster.", "They move slower.", "They increase in number." ], "label": [ "A", "B", "C", "D" ] }

[ "A: They get bigger.", "B: They move faster.", "C: They move slower.", "D: They increase in number." ]

{ "text": [ "ruler", "beaker", "balance", "compass" ], "label": [ "A", "B", "C", "D" ] }

[ "A: ruler", "B: beaker", "C: balance", "D: compass" ]

{ "text": [ "stop searching for food until it begins to rain", "begin reproducing to increase population", "move to a new area to find food", "start the process of hibernation" ], "label": [ "A", "B", "C", "D" ] }

[ "A: stop searching for food until it begins to rain", "B: begin reproducing to increase population", "C: move to a new area to find food", "D: start the process of hibernation" ]

{ "text": [ "ounce", "degree", "calorie", "gram" ], "label": [ "1", "2", "3", "4" ] }

[ "1: ounce", "2: degree", "3: calorie", "4: gram" ]

{ "text": [ "to produce a heat source", "to demonstrate frictional forces", "to create a magnetic field", "to generate a sound wave" ], "label": [ "A", "B", "C", "D" ] }

[ "A: to produce a heat source", "B: to demonstrate frictional forces", "C: to create a magnetic field", "D: to generate a sound wave" ]

{ "text": [ "tidal activity", "orbital shape", "weather and climate", "rotation and revolution" ], "label": [ "1", "2", "3", "4" ] }

[ "1: tidal activity", "2: orbital shape", "3: weather and climate", "4: rotation and revolution" ]

{ "text": [ "iron nails rusting", "candles burning", "vegetables rotting", "plants photosynthesizing" ], "label": [ "A", "B", "C", "D" ] }

[ "A: iron nails rusting", "B: candles burning", "C: vegetables rotting", "D: plants photosynthesizing" ]

{ "text": [ "conversion", "reaction", "fission", "fusion" ], "label": [ "A", "B", "C", "D" ] }

[ "A: conversion", "B: reaction", "C: fission", "D: fusion" ]

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

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

{ "text": [ "heart health", "respiratory health", "the rate of birth defects", "weight and physical fitness" ], "label": [ "A", "B", "C", "D" ] }

[ "A: heart health", "B: respiratory health", "C: the rate of birth defects", "D: weight and physical fitness" ]

{ "text": [ "root growth", "reproduction", "photosynthesis", "water absorption" ], "label": [ "A", "B", "C", "D" ] }

[ "A: root growth", "B: reproduction", "C: photosynthesis", "D: water absorption" ]

{ "text": [ "blood cells", "neurons", "skin cells", "gametes" ], "label": [ "A", "B", "C", "D" ] }

[ "A: blood cells", "B: neurons", "C: skin cells", "D: gametes" ]

{ "text": [ "knowing the location where the fossils were found.", "establishing an inventory of bones collected.", "comparing to characteristics of known dinosaurs.", "knowing the absolute age of the fossils." ], "label": [ "A", "B", "C", "D" ] }

[ "A: knowing the location where the fossils were found.", "B: establishing an inventory of bones collected.", "C: comparing to characteristics of known dinosaurs.", "D: knowing the absolute age of the fossils." ]

{ "text": [ "athletes who stretch before working out", "non-athletes who stretch before working out", "athletes who do not stretch before working out", "non-athletes who do not stretch before working out" ], "label": [ "A", "B", "C", "D" ] }

[ "A: athletes who stretch before working out", "B: non-athletes who stretch before working out", "C: athletes who do not stretch before working out", "D: non-athletes who do not stretch before working out" ]

{ "text": [ "airplanes", "automobiles", "telephones", "television" ], "label": [ "A", "B", "C", "D" ] }

[ "A: airplanes", "B: automobiles", "C: telephones", "D: television" ]

{ "text": [ "compaction and cementation", "folding and recrystallization", "melting and solidifying", "heating and pressure" ], "label": [ "A", "B", "C", "D" ] }

[ "A: compaction and cementation", "B: folding and recrystallization", "C: melting and solidifying", "D: heating and pressure" ]

{ "text": [ "Both the Moon and Earth split off from the Sun.", "Life must have existed on the Moon at one time.", "The Moon was probably formed from material from Earth.", "The whole solar system is made up of the same kinds of rocks." ], "label": [ "A", "B", "C", "D" ] }

[ "A: Both the Moon and Earth split off from the Sun.", "B: Life must have existed on the Moon at one time.", "C: The Moon was probably formed from material from Earth.", "D: The whole solar system is made up of the same kinds of rocks." ]

{ "text": [ "produced when plants grow.", "recycled when organisms die.", "lost when animals and plants die.", "formed when new animals are born." ], "label": [ "A", "B", "C", "D" ] }

[ "A: produced when plants grow.", "B: recycled when organisms die.", "C: lost when animals and plants die.", "D: formed when new animals are born." ]

{ "text": [ "people who walk near the bay", "people who read books about the bay", "people who consume fish from the bay", "people who own boats docked in the bay" ], "label": [ "A", "B", "C", "D" ] }

[ "A: people who walk near the bay", "B: people who read books about the bay", "C: people who consume fish from the bay", "D: people who own boats docked in the bay" ]

{ "text": [ "A caribou herd migrates seasonally.", "A scent trail leads ants to a food source.", "A wolf pack howls to warn other wolves to stay away.", "A honeybee society divides the work between its members." ], "label": [ "A", "B", "C", "D" ] }

[ "A: A caribou herd migrates seasonally.", "B: A scent trail leads ants to a food source.", "C: A wolf pack howls to warn other wolves to stay away.", "D: A honeybee society divides the work between its members." ]