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{ "text": [ "It converts sunlight to energy.", "It controls all functions of the cell.", "It transports water throughout the cell.", "It breaks down sugar to release energy." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "It increases the supply of resources.", "It decreases the amount of resources.", "It results in less demand for resources.", "It improves the quality of the resources." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a piece of wood burning", "a copper roof changing color", "rust forming on an iron fence", "a sheet of paper shredding" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Both need energy.", "Both have cell walls.", "Both move with pseudopodia.", "Both consume carbon dioxide." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "They have nearly the same atmosphere.", "They have almost the same gravitational pull.", "They have a rocky crust that includes mountains.", "They have areas that show considerable water erosion." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "2 times", "4 times", "8 times", "16 times" ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "green vegetables", "dairy products", "lean meats", "whole grains" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Which seeds grew well in the dark?", "Which seeds produced the tallest plants?", "Which seeds survived in cold temperatures?", "Which seeds needed the least amount of water?" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "cool and dry", "warm and dry", "cool and wet", "warm and wet" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Report spills to your teacher immediately.", "Wear a protective eye shield.", "Pay close attention to instructions.", "Smell the chemicals that are being mixed." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Discuss their observations with other groups in their class.", "Conduct the experiment with more than one type of plant.", "Record daily information in a data table.", "Make up explanations for the results." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "cracking open a geode", "adjusting a microscope", "spraying water on plants", "adding salt to boiling water" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "23", "47", "94", "188" ], "label": [ "1", "2", "3", "4" ] }

{ "text": [ "ocean currents", "wind direction", "air temperature", "relative humidity" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "coffee warming a cup", "hot air warming a room", "the sun warming the moon", "a hot plate warming a beaker" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a sharp knife", "a magnifying glass", "a long piece of string", "a large jar with air holes in the top" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "4 minutes", "8 minutes", "12 minutes", "15 minutes" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Hunting occurs while flying through the air.", "They build their nests on cliffs or rock outcroppings.", "Offspring depend upon parent feeding after hatching.", "The color of their feathers lacks environmental camouflage." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "4-6", "5-7", "7-9", "10-12" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "run on a direct current.", "are connected in series.", "are connected in parallel.", "run on an alternating current." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "tidal energy and hydropower", "geothermal energy and hydropower", "wind energy and tidal energy", "geothermal energy and wind energy" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "grows and changes.", "is no longer valid.", "becomes a law.", "diminishes in value." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "car engine.", "refrigerator.", "frying pan.", "glass bottle." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "wire.", "battery.", "switch.", "bulb." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "clean up the broken glass", "replace the broken test tube", "report the accident to the teacher", "move to a new laboratory area" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The balloons will move apart.", "One balloon will lose its charge.", "The balloons will come together.", "One balloon will gain a negative charge." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "They cool the land surface.", "They carry acids into the soil.", "They bring freshwater to land organisms.", "They build up mountains." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a bird building its nest in a water tower", "a rabbit's fur turning white in the winter", "a lizard shedding its skin", "a salmon swimming upstream" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The properties of hydrogen will be better understood.", "The availability of clean resources will increase.", "The atmosphere will be supplied with oxygen.", "The Sun's abundant supply of energy will be used." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "increase resource availability.", "improve existing products.", "deplete available resources.", "cause environmental degradation." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a cold rain falling to the ground", "air masses combining to create a high-pressure area", "winds spiraling downward and away from the center of a storm", "air moving toward the center of a storm and rising into the atmosphere" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "-10°C", "0°C", "32°C", "100°C" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "shake the mixture until the sand settles on the bottom", "pour the mixture through the filter paper", "heat the mixture on the hot plate", "dissolve the salt by adding water to the mixture" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "oil", "gas", "gold", "lead" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "rivers", "streams", "estuaries", "glaciers" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "sugar", "water", "energy", "oxygen" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Yes, because there is plenty of ocean water.", "Yes, because ocean water has many natural fertilizers.", "No, because ocean water is too salty for plants grown on land.", "No, because ocean water is much more polluted than rainwater." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "using larger screens with better color.", "explaining how to avoid pressure from commercials.", "providing a setting that encourages people to exercise more.", "warning people of dangers such as bad weather or accidents." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The Moon has no gravity.", "The Moon does not go around the Sun.", "The Moon has little water and oxygen.", "The Moon is much smaller than Earth." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "A chemical change took place.", "The lithium was dissolved by the water.", "Dissolved gases were released.", "Water was vaporized." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "building power plants that use coal as fuel", "clearing land for roads and buildings", "directing fertilizer runoff to ponds", "replanting trees in deforested areas" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "A solid changes to a gas.", "A liquid changes to a gas.", "A solid changes to a liquid.", "A liquid changes to a solid." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Both the caterpillar and the leaf gain energy.", "Energy is transferred from the leaf to the caterpillar.", "Decomposers in the leaf obtain energy from the caterpillar.", "The oak tree gains energy when the caterpillar eats the leaf." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Their mutation rates increase.", "The presence and distribution of alleles diverge.", "They respond differently to the same selection pressures.", "They interbreed to maintain uniformity of traits." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "surface atmosphere.", "rocky terrain.", "gravity.", "size." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a hand lens with 1X magnification", "a microscope with 40X magnification", "a light microscope with 100X magnification", "a dissecting microscope with 4X magnification" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "to keep the cost of the bus low", "to ensure that the bus will be easy to replace", "to provide ideas about how the bus will be built", "to ensure that people know how to drive the bus" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Pick up insects with bare hands.", "Stay with a classmate at all times.", "Reach under large rocks without looking first.", "Work away from the group." ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "Wings", "Eyes", "Soil", "Air" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The mix contains four ingredients.", "The different ingredients clump together.", "Each component maintains its original properties.", "Components are impossible to separate out of the mix." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a cookie baking", "paper burning", "ice cream melting", "a nail rusting" ], "label": [ "1", "2", "3", "4" ] }

{ "text": [ "divergent boundary between two oceanic plates", "divergent boundary between an oceanic plate and a continental plate", "convergent boundary between an oceanic plate and a continental plate", "convergent boundary between two continental plates" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The Sun is closer to Earth in the summer than in the winter.", "The Sun has more sunspots in the summer than in the winter.", "Earth's western hemisphere is tilted toward the Sun during the summer.", "Earth's northern hemisphere is tilted toward the Sun during the summer." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The amplitude would double.", "The frequency would double.", "The amplitude would decrease by half.", "The frequency would decrease by half." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "caused by physical vibrations.", "moved by the force of gravity.", "types of electromagnetic waves.", "of the same frequency." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "carpool to school", "ride a bus to school", "ride a bike to school", "drive alone to school" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "advertising", "shipping", "storage", "quality control" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "moisture forming on a mirror when you breathe on it", "sweat forming on your body when you exercise", "ice cubes melting when you put them in a warm liquid", "rivers drying up during a very hot summer" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "vaccination", "transportation", "communication", "sanitation" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "primary succession", "habitat destruction", "resource depletion", "genetic mutation" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The sample size was too large.", "Scientists did not run the study.", "Women were excluded from the study.", "No medication was given to the men." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "short hair", "long arms", "pierced ears", "scar on the leg" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a galaxy", "a black hole", "a neutron star", "a solar system" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Records provide clues to mistakes made in the investigation.", "Records prove the investigation was conducted many times.", "Records rule out the need to repeat the investigation.", "Records make the results from the investigation accurate." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Earth has completed one rotation around the Moon.", "Earth has completed one revolution around the Sun.", "The Sun has completed one revolution around Earth.", "The Moon has completed one revolution around Earth." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Both carry energy.", "Both travel in vacuums.", "Both are caused by vibrations.", "Both are traveling at the same speed." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "hairs on the back stand up when scared", "decreased heart rate when sleeping", "movement of waste into the bladder", "temperature increases during an infection" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Test three sugar cubes, one each in three different water temperatures.", "Test three sugar cubes in one water temperature.", "Test one crushed sugar cube and one whole sugar cube in water.", "Test three sugar cubes, one each in an acid, a base, and water." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "island", "plateau", "rift", "trench" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "the floor", "the pull of gravity", "the air friction on the ball", "the person that throws the ball" ], "label": [ "A", "B", "C", "D" ] }