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{ "text": [ "dry palms", "wet palms", "palms covered with oil", "palms covered with lotion" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The refrigerator door is smooth.", "The refrigerator door contains iron.", "The refrigerator door is a good conductor.", "The refrigerator door has electric wires in it." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "cooling of flowing magma.", "converging of crustal plates.", "deposition of river sediments.", "solution of carbonate minerals." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "worldwide disease", "global mountain building", "rise of mammals that preyed upon plants and animals", "impact of an asteroid created dust that blocked the sunlight" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "west", "east", "north", "south" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "valleys carved by a moving glacier", "piles of rocks deposited by a melting glacier", "grooves created in a granite surface by a glacier", "bedrock hills roughened by the passing of a glacier" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Tissues in a single-celled organism are like the cells in a multi-celled organism.", "The nucleus in a single-celled organism is like the skin of a multi-celled organism.", "Organelles in a single-celled organism are like the organs in a multi-celled organism.", "The cytoplasm in a single-celled organism is like the nervous system in a multi-celled organism." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "31 pounds and 14 kilograms", "31 pounds and 84 kilograms", "186 pounds and 14 kilograms", "186 pounds and 84 kilograms" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "the length of its fur", "the shape of its nose", "the size of its appetite", "the color of its fur" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "help the turtles have better chances at reproducing.", "cause the shell of the sea turtles to become stronger.", "reduce the chances of turtles surviving to reproduce.", "help in the development of a new species of sea turtles." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "O_{2} + H_{2}O + energy -> C_{6}H_{12}O_{6} + CO_{2}", "CO_{2} + H_{2}O -> C_{6}H_{6}O_{3} + O_{2} + energy", "6O_{2} + 6H_{2}O -> C_{6}H_{12}O_{6} + 6CO_{2} + energy", "6CO_{2} + 6H_{2}O + energy -> C_{6}H_{12}O_{6} + 6O_{2}" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "lighting a match", "breaking a glass", "burning of gasoline", "rusting of iron" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a sea floor", "a windblown desert", "a site deep underground", "a site covered by a glacier" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "No, because the insects would still mate.", "No, because it would not change the offspring mutation rate.", "Yes, because it would sharply decrease the reproduction rate.", "Yes, because the males would die." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "the sun", "the wind", "ocean currents", "the metal core" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Fish reproduction rates will increase.", "Water birds will be unable to use their wings.", "Water plants will be exposed to more sunlight.", "Coastal plants will have access to more nutrients." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "breaks easily when struck with a hammer", "bubbles when acid is placed on it", "is easily scratched by a fingernail", "reflects light from its surface" ], "label": [ "1", "2", "3", "4" ] }

{ "text": [ "The sun's light is reflected by the clouds.", "The sun's light is refracted by the atmosphere.", "The sun moves from west to east each day.", "The sun appears to move due to Earth's rotation." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "has a pleasant flavor.", "is recommended by dentists.", "promotes good dental hygiene.", "is the most expensive brand sold." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "food", "water", "chlorophyll", "carbon dioxide" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "0°C", "15°C", "37°C", "50°C" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "sensory neurons", "interneurons", "motor neurons", "mechanoreceptor neurons" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Sandy soils because they provide high silica content.", "Loamy soils because they contain sand and clay.", "Slightly rocky soils because they provide needed minerals.", "Clay soils because they are heavy soils and retain water." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "once", "twice", "24 times", "365 times" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "it does not matter how the students label their charts.", "there are multiple ways to organize information.", "the waves have the same properties.", "the students are being encouraged to do their work." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "coal is made mostly of skeletal remains of animals.", "coal is formed from magma that has solidified over time.", "it quickly becomes petrified when water is removed.", "geologic processes continue over millions of years." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "visible color", "composition", "surface texture", "temperature" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "day becoming night", "winter changing to spring", "January changing to February", "a new moon becoming a full moon" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The grasshoppers will live longest in a container filled with plants.", "The grasshoppers are green with long back legs and antennae.", "The grasshoppers will probably eat more grass than tree leaves.", "The grasshoppers all hatched from eggs laid the year before." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "which genes are present", "how many copies of each gene are present", "which genes are active", "what protein is produced by a gene" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "fuel", "energy", "matter", "electricity" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "an atomic number of 6", "an atomic mass of 12", "the same electron configuration", "the number of valence electrons" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "hunting", "habitat destruction", "restoration ecology", "introduced nonnative species" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The production of lactase decreases over time.", "The digestion of food breaks down lactase.", "Lactose intolerance is an allergic reaction.", "Lactose intolerance is contagious." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "air", "ice", "sand", "water" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "a planet", "a comet", "a nebula", "a neutron star" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The lack of weathering reduces the availability of the minerals.", "The nutrients are being utilized by the plant life.", "The forest floor does not get enough sunlight.", "The animals eat the nutrients." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "height", "hair color", "skin color", "intelligence" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "heat", "clouds", "air", "water" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "In which material does sound travel fastest?", "In which material does sound travel farthest?", "Does frequency affect the distance sound travels?", "Does the shape of the medium affect the speed of sound?" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "g, kg, cg", "dL, L, mL", "ft, yd, mi", "N, J, W" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "It creates a cocoon.", "It becomes an adult.", "It lays eggs.", "It eats leaves." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "in an estuary", "in an open ocean", "at an intertidal zone", "at a hydrothermal vent" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "volume.", "weight.", "mass.", "size." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "releasing nitrogen in the soil.", "crowding out non-native species.", "adding carbon dioxide to the atmosphere.", "removing water from the soil and returning it to the atmosphere." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "one day", "one week", "one month", "one year" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Earth", "Venus", "Jupiter", "Neptune" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "oil", "trees", "solar energy", "food crops" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "June 30", "June 28", "June 23", "June 15" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Nucleotides are linked to make up DNA.", "Amino acids are linked to make up DNA.", "Proteins are linked to make up nucleotides.", "Nucleic acids are linked to make up proteins." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "change the experiment.", "keep their opinions to themselves.", "find out what other scientists think about the results.", "repeat the experiment several times and compare results." ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "pick up the pieces with a paper towel", "use a chemical spill kit", "use a dustpan and broom", "pick up the pieces by hand" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The amount of oxygen increased.", "The amount of oxygen decreased.", "The oxygen was transformed into water.", "The oxygen was transformed into carbon dioxide." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "beryllium, Be", "potassium, K", "titanium, Ti", "yttrium, Y" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Crops grew well that year.", "One year was unusually dry.", "The tree was planted long ago.", "The area used to have more trees." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The plant has flowers.", "The plant is very pretty.", "The plant will grow berries.", "The plant might be poisonous." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "planetary mass", "planetary color", "a planet's core temperature", "a planet's distance from the Sun" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Limiting the number of cars on the roads", "Switching to wood stoves for home heating", "Requiring large vehicles to use diesel fuel", "Maintaining filters in large buildings" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "incomplete metamorphosis", "complete metamorphosis", "alternation of generations", "spontaneous mutation" ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "Add the distances and the times.", "Divide the distances by the times.", "Multiply the distances by the times.", "Subtract the distances from the times." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The females will find another type of male animal to mate with and produce more Siberian tigers.", "The females will mate with each other and produce more Siberian tigers.", "The females will only be able to produce female Siberian tigers.", "The females will not be able to produce more Siberian tigers, and they will die out." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Frost", "Ice", "Rain", "Steam" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "industrial emissions from factories.", "coal that is burned to produce heat and power.", "automobile exhaust.", "nuclear power plants that produce radiation." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Boston is close to an ocean.", "Boston is at a low elevation.", "Boston is near many mountains.", "Boston is far north of the equator." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Star X is larger than star Y.", "Star Y is larger than star X.", "Star X reflects the Sun’s light better than star Y.", "Star Y reflects the Sun’s light better than star X." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "the ability to live in salt water", "the ability to use oxygen in respiration", "the ability to cope with daily dry periods", "the ability to blend into the surroundings" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "There are generally more clouds near the oceans.", "Landlocked areas are usually at a lower altitude than coastline areas.", "Coastlines are usually surrounded by mountains that block air masses.", "Oceans change temperature slowly and regulate the temperature of nearby land." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "atomic mass.", "number of protons.", "atomic size.", "chemical reactivity." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "plant biomass", "the atmosphere", "fossil fuels", "the deep ocean" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "increasing the need to search for more oil.", "reducing the time it takes for oil to be renewed.", "decreasing the amount of oil that exists underground.", "extending the time that oil will be available for people to use." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "decreasing soil fertility", "decreasing oil transportation", "increasing the greenhouse effect", "increasing carbon dioxide emissions" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "to make it easier to test the prototype", "to reduce the cost of making the computer", "to make it easier to transport the computer", "to reduce the cost of building the prototype" ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "luster", "mass", "weight", "hardness" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The adult has more cells than the baby.", "The baby has simpler cells than an adult.", "The baby has smaller cells than the adult.", "The adult has different types of cells than the baby." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "They change chemical energy into kinetic energy.", "They change solar energy into chemical energy.", "They change wind energy into heat energy.", "They change mechanical energy into solar energy." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "3", "6", "9", "12" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "saving water conserves future resources", "using old materials can waste money", "plants need water to be healthy", "everyday materials can be reused" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The Sun is far away.", "The Sun makes heat.", "The ice cube is a solid.", "The ice cube looks clear." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "WW or ww", "WW or Ww", "WW only", "Ww only" ], "label": [ "A", "B", "C", "D" ] }

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

{ "text": [ "Earth’s climate is constantly changing.", "The continents of Earth are continually moving.", "Dinosaurs became extinct about 65 million years ago.", "The oceans are much deeper today than millions years ago." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "wind", "Sun's radiation", "Earth's radiation", "Sun's gravity" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Earth revolves around the sun.", "The sun revolves around Earth.", "The constellations revolve around Earth.", "Earth revolves around the constellations." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "absorption.", "refraction.", "reflection.", "diffraction." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "glaciation", "flooding", "faulting", "erosion" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "record the weights and heights of many dogs", "measure the speeds and hair lengths of many dogs", "research to find the type of dog with the longest hair", "race one long-haired dog against one short-haired dog" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "applying too much fertilizer to agricultural fields", "operation of coal-fired electric generating plants", "a hot summer day", "too much rain" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "makes more land available for local farmers", "removes valuable habitat for local species", "increases local groundwater levels", "provides income for local residents" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The soft drink cans will absorb cold energy from the stream's water.", "The cans will cool until their temperature is the same as the stream's.", "The temperature of the soft drinks will not change since the cans are sealed.", "The temperature of the cans will decrease to freezing as long as the stream is flowing." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Consumers at the lower level require more energy than the top-level consumers.", "Consumers at the top level require more energy than the lower-level consumers.", "The consumers are feeding on larger organisms that have less energy.", "The consumers are feeding on smaller organisms that have less energy." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "reuse the cups", "dispose of the cups", "recycle the cups", "relabel the cups" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "pulley.", "lever.", "wedge.", "screw." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "oxygen and energy", "glucose and glycogen", "lactic acid and alcohol", "carbon dioxide and water" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "1.0 x 10^3", "1.0 x 10^4", "1.0 x 10^-3", "1.0 x 10^-4" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "the distance of the planets from the sun", "the depths of the major oceans on Earth", "the amount of rainfall each day for a month", "the percent of various materials in solid waste" ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "The offspring experienced a genetic mutation.", "The offspring resulted from asexual reproduction.", "The genes for flower color exhibited incomplete dominance.", "A gene for pink-colored flowers was recessive in one of the parents." ], "label": [ "A", "B", "C", "D" ] }

{ "text": [ "Alternative fuels are at every gas station.", "Gasoline comes from a limited resource.", "Alternative fuels cause pollution.", "Gasoline engines are too expensive to make." ], "label": [ "A", "B", "C", "D" ] }