id
stringlengths
8
22
question
stringlengths
59
724
choices
sequence
answerKey
stringclasses
9 values
OHAT_2007_8_25
Which cell structure carries out a function for a cell that is similar to the function that bark carries out for a tree? A: cell wall B: nucleus C: chloroplast D: mitochondrion
{ "text": [ "cell wall", "nucleus", "chloroplast", "mitochondrion" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7081515
The number of squirrels in a certain ecosystem changes over time. These changes can be represented as a number of connected data points. Which method would a student most likely use to show this information? A: pie chart B: line graph C: pictogram D: data table
{ "text": [ "pie chart", "line graph", "pictogram", "data table" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7133840
Pedro shook a can of soda. When the soda was opened, foam and soda burst from the can. Which statement best explains what happened? A: A new substance was formed. B: The gas pressure was released from the can. C: The sugar in the soda turned into a gas. D: The can absorbed heat from the air.
{ "text": [ "A new substance was formed.", "The gas pressure was released from the can.", "The sugar in the soda turned into a gas.", "The can absorbed heat from the air." ], "label": [ "A", "B", "C", "D" ] }
B
CSZ10053
Where is most of Earth's water located? A: glaciers B: lakes C: oceans D: rivers
{ "text": [ "glaciers", "lakes", "oceans", "rivers" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7144848
Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation? A: to test a hypothesis B: to form a theory C: to produce a scientific paper D: to change previous results
{ "text": [ "to test a hypothesis", "to form a theory", "to produce a scientific paper", "to change previous results" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7001820
Two seismographs are placed 500 km from an active fault line, one on each side of the active fault line. During an earthquake, what most likely accounts for the different readings on the seismographs? A: the pull of gravity on the waves B: the interaction of light with waves C: the differences in the strength of the waves' origins D: the different media through which the waves travel
{ "text": [ "the pull of gravity on the waves", "the interaction of light with waves", "the differences in the strength of the waves' origins", "the different media through which the waves travel" ], "label": [ "A", "B", "C", "D" ] }
D
ACTAAP_2011_5_11
Scientists dig in a dry area at the bottom of a mountain range. Fossilized shells of freshwater mussels are found in the area. Which is a likely conclusion that scientists will draw based on this evidence? A: Rivers once flowed through the area. B: Volcanoes were once active in the area. C: The ocean shoreline once reached this area. D: Floods were a common occurrence in this area.
{ "text": [ "Rivers once flowed through the area.", "Volcanoes were once active in the area.", "The ocean shoreline once reached this area.", "Floods were a common occurrence in this area." ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_188965
An apple appears red when struck by white light. This appearance is because the red light is reflected and the other colors are absorbed. What color will this apple appear to be when struck by blue light? A: black B: blue C: red D: white
{ "text": [ "black", "blue", "red", "white" ], "label": [ "A", "B", "C", "D" ] }
A
NYSEDREGENTS_2009_8_3
In New York State, an observer will usually see the Sun rise in the 1: north 2: south 3: east 4: west
{ "text": [ "north", "south", "east", "west" ], "label": [ "1", "2", "3", "4" ] }
3
Mercury_SC_410875
Burning coal and natural gas are ways to produce electricity. Both coal and natural gas are nonrenewable resources. Which is an example of producing electricity using a renewable source of energy? A: using food pieces to make compost B: gliding a boat through the water using sails C: putting an energy-saving lightbulb in a lamp D: heating a home with energy collected by solar panels
{ "text": [ "using food pieces to make compost", "gliding a boat through the water using sails", "putting an energy-saving lightbulb in a lamp", "heating a home with energy collected by solar panels" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_SC_401258
When liquid water freezes, it forms ice. What is the physical state of an ice cube? A: gas B: solid C: liquid D: plasma
{ "text": [ "gas", "solid", "liquid", "plasma" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_400372
A student uses a hand lens to observe which of these objects? A: a mountain B: the Moon C: an insect D: bacteria
{ "text": [ "a mountain", "the Moon", "an insect", "bacteria" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_405133
Which type of rock would most likely contain a fossil? A: metamorphic rock B: sedimentary rock C: igneous rock D: molten rock
{ "text": [ "metamorphic rock", "sedimentary rock", "igneous rock", "molten rock" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_410744
Some events on Earth happen instantly while others take thousands of years to occur. Which process takes the longest time to complete? A: rivers rising due to storms and floods B: evaporation of water from the leaves of a plant C: weathering of a rock to form small rocks and sand D: movement of small pieces of rock by flowing water
{ "text": [ "rivers rising due to storms and floods", "evaporation of water from the leaves of a plant", "weathering of a rock to form small rocks and sand", "movement of small pieces of rock by flowing water" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_405938
Where do many of the basic life functions take place in organisms? A: brain B: cells C: heart D: nerves
{ "text": [ "brain", "cells", "heart", "nerves" ], "label": [ "A", "B", "C", "D" ] }
B
NYSEDREGENTS_2009_4_14
Which physical structure would best help a bear to survive a winter in New York State? A: big ears B: black nose C: thick fur D: brown eyes
{ "text": [ "big ears", "black nose", "thick fur", "brown eyes" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_SC_402081
What is made when sugar is dissolved in water? A: a colloid B: a solution C: a suspension D: an evaporation
{ "text": [ "a colloid", "a solution", "a suspension", "an evaporation" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7093118
Gasoline for cars is produced from fossil fuels. Using gasoline can most likely lead to which environmental problem? A: soil erosion B: water pollution C: wildlife extinction D: global warming
{ "text": [ "soil erosion", "water pollution", "wildlife extinction", "global warming" ], "label": [ "A", "B", "C", "D" ] }
D
MCAS_2016_8_9
Which of the following is a cause of the ocean levels periodically rising and then falling? A: the slight tilt of the Moon B: the force of gravity from the Moon C: the convection within Earth's mantle D: the revolution of Earth around the Sun
{ "text": [ "the slight tilt of the Moon", "the force of gravity from the Moon", "the convection within Earth's mantle", "the revolution of Earth around the Sun" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_188633
A scientist is searching for areas where new solar systems might form. What feature is the scientist looking for? A: a star similar to our Sun B: a cloud of dust and gas C: an oxygen-rich atmosphere D: a gravitational acceleration of 9.8 m/sec2
{ "text": [ "a star similar to our Sun", "a cloud of dust and gas", "an oxygen-rich atmosphere", "a gravitational acceleration of 9.8 m/sec2" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7043750
About how often is a full moon observed from Earth's surface? A: each week B: once a month C: every two weeks D: once each leap year
{ "text": [ "each week", "once a month", "every two weeks", "once each leap year" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_LBS10945
When animals use energy, they produce A: nitrogen B: iron sulfide C: oxygen D: carbon dioxide
{ "text": [ "nitrogen", "iron sulfide", "oxygen", "carbon dioxide" ], "label": [ "A", "B", "C", "D" ] }
D
ACTAAP_2009_7_7
Which would provide evidence of seafloor spreading? A: higher levels of salinity in the ocean water B: stronger currents at the surface of the ocean C: cooled magma found on the edge of the plates D: greater reproduction levels for organisms at the bottom of the ocean
{ "text": [ "higher levels of salinity in the ocean water", "stronger currents at the surface of the ocean", "cooled magma found on the edge of the plates", "greater reproduction levels for organisms at the bottom of the ocean" ], "label": [ "A", "B", "C", "D" ] }
C
MCAS_2000_8_5
Mitosis occurs in living things when a cell divides to produce two cells. Compared to the original cell, how many chromosomes are in each of the resulting cells? A: half as many B: the same number C: twice as many D: an unpredictable number
{ "text": [ "half as many", "the same number", "twice as many", "an unpredictable number" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7138583
Which organ directly works to protect the human body from disease? A: heart B: kidney C: pancreas D: skin
{ "text": [ "heart", "kidney", "pancreas", "skin" ], "label": [ "A", "B", "C", "D" ] }
D
AIMS_2009_8_4
Steven went to a farm and picked a bright red tomato from a broken branch on the plant. The tomato had a rotten spot with a worm inside of it. Instead of eating the tomato, Steven decided to plant the seeds and grow new tomato plants. Which characteristic of the tomato plant is inherited and could change over several generations? A: color of the skin B: size of rotten spots C: length of worms inside D: number of broken branches
{ "text": [ "color of the skin", "size of rotten spots", "length of worms inside", "number of broken branches" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_SC_401231
Many leaves appear green because the leaves A: resist green light. B: bend all colors except green. C: reflect green light. D: reflect all colors except green.
{ "text": [ "resist green light.", "bend all colors except green.", "reflect green light.", "reflect all colors except green." ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7271338
Which of these is the best definition of heredity? A: the transfer of learning from one generation to the next B: the transfer of visible features from one generation to the next C: the passage of dominant genes from one generation to the next D: the passage of genetic information from one generation to the next
{ "text": [ "the transfer of learning from one generation to the next", "the transfer of visible features from one generation to the next", "the passage of dominant genes from one generation to the next", "the passage of genetic information from one generation to the next" ], "label": [ "A", "B", "C", "D" ] }
D
MCAS_2005_9_2-v1
Which of the following describes how a microwave oven heats food? A: The oven's interior reflects heat onto the food. B: The oven's interior, like a lens, focuses heat onto the food. C: Water molecules in the food reflect energy from microwave radiation. D: Water molecules in the food absorb the energy of microwave radiation.
{ "text": [ "The oven's interior reflects heat onto the food.", "The oven's interior, like a lens, focuses heat onto the food.", "Water molecules in the food reflect energy from microwave radiation.", "Water molecules in the food absorb the energy of microwave radiation." ], "label": [ "A", "B", "C", "D" ] }
D
NYSEDREGENTS_2005_8_30
Which three systems of the human body function together to move and control body parts? 1: nervous, skeletal, and muscular 2: muscular, endocrine, and excretory 3: digestive, excretory, and reproductive 4: circulatory, endocrine, and respiratory
{ "text": [ "nervous, skeletal, and muscular", "muscular, endocrine, and excretory", "digestive, excretory, and reproductive", "circulatory, endocrine, and respiratory" ], "label": [ "1", "2", "3", "4" ] }
1
Mercury_7166933
Astronomers have found evidence for the existence of a super-massive black hole in the center of the giant elliptical galaxy M87. What is thought to cause black holes to form? A: the death of a low-mass star B: the gravity of a large nebula C: the collapse of a high-mass star D: the combining of material from planets
{ "text": [ "the death of a low-mass star", "the gravity of a large nebula", "the collapse of a high-mass star", "the combining of material from planets" ], "label": [ "A", "B", "C", "D" ] }
C
NYSEDREGENTS_2007_8_10
A research team wanted to produce a smaller variety of German shepherd dogs. They mated the smallest dogs from different litters for several generations. This is an example of which concept? 1: extinction 2: mutation 3: selective breeding 4: natural selection
{ "text": [ "extinction", "mutation", "selective breeding", "natural selection" ], "label": [ "1", "2", "3", "4" ] }
3
Mercury_SC_410961
A class learns about weather. The students in the class measure the outside air temperature at the same time each day. Which way of measuring the temperature would provide the most accurate data? A: taking the measurement in the shade B: placing the thermometer on the ground C: taking a measurement using a different tool each day D: recording the measurements from three thermometers
{ "text": [ "taking the measurement in the shade", "placing the thermometer on the ground", "taking a measurement using a different tool each day", "recording the measurements from three thermometers" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7263725
Earth's magnetosphere is not uniformly shaped. It is compressed on the side facing the Sun and has a long tail extending away from the Sun. Which phenomenon is responsible for this shape? A: centripetal force of Earth's rotation B: gravitational attraction between Earth and the Sun C: solar winds bringing high-energy particles toward Earth D: differences in the distance between Earth and the Sun during Earth's orbit
{ "text": [ "centripetal force of Earth's rotation", "gravitational attraction between Earth and the Sun", "solar winds bringing high-energy particles toward Earth", "differences in the distance between Earth and the Sun during Earth's orbit" ], "label": [ "A", "B", "C", "D" ] }
C
TIMSS_2007_4_pg99
Which living organism makes its own food using sunlight? A: lizard B: tree C: deer D: hawk
{ "text": [ "lizard", "tree", "deer", "hawk" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_182858
Who was the first person to base a system of classification on organisms having similar structures? A: Aristotle B: Darwin C: Einstein D: Linnaeus
{ "text": [ "Aristotle", "Darwin", "Einstein", "Linnaeus" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7064540
Which is a process that converts sunlight energy into a compound that stores chemical energy? A: phototropism B: photosynthesis C: respiration D: pollination
{ "text": [ "phototropism", "photosynthesis", "respiration", "pollination" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7001733
Which most likely contributed to the extinction of many species and endangered the survival of others? A: pollution B: habitat destruction C: an asteroid hitting Earth D: tectonic plate movement
{ "text": [ "pollution", "habitat destruction", "an asteroid hitting Earth", "tectonic plate movement" ], "label": [ "A", "B", "C", "D" ] }
B
TIMSS_1995_8_N6
Which is the most basic unit of living things? A: Cells B: Bones C: Tissues D: Organs
{ "text": [ "Cells", "Bones", "Tissues", "Organs" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_SC_416158
What are the two main jobs of the skeletal system? A: support and protect the body B: digest food and carry messages for the body C: get rid of wastes and defend the body from disease D: sense changes in the environment and carry food through the body
{ "text": [ "support and protect the body", "digest food and carry messages for the body", "get rid of wastes and defend the body from disease", "sense changes in the environment and carry food through the body" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7135870
Which is an example of a chemical change? A: sand separated from water by filtering B: water evaporating from a puddle C: a rock being eroded by wind D: a nail rusting in water
{ "text": [ "sand separated from water by filtering", "water evaporating from a puddle", "a rock being eroded by wind", "a nail rusting in water" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7218330
Which of these is a renewable resource found in Nevada? A: zinc metal B: gravel deposits C: petroleum products D: geothermal energy
{ "text": [ "zinc metal", "gravel deposits", "petroleum products", "geothermal energy" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7043558
Which two body systems are involved in inhaling oxygen and exhaling carbon dioxide? A: endocrine and skeletal B: excretory and nervous C: circulatory and respiratory D: digestive and reproductive
{ "text": [ "endocrine and skeletal", "excretory and nervous", "circulatory and respiratory", "digestive and reproductive" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7165323
Materials such as carbon and nitrogen go through cycles. The cycling of nitrogen waste materials is mostly dependent upon the role of which factor? A: atmosphere B: bacteria C: sunlight D: trees
{ "text": [ "atmosphere", "bacteria", "sunlight", "trees" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7206413
Which of these is unique to the process of scientific investigation? A: observing an event as it occurs B: discussing results with other experts C: publishing the results on a webpage D: collecting data in an experiment
{ "text": [ "observing an event as it occurs", "discussing results with other experts", "publishing the results on a webpage", "collecting data in an experiment" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_LBS10054
Which did Thomas Edison invent? A: microscope B: compass C: light bulb D: steam engine
{ "text": [ "microscope", "compass", "light bulb", "steam engine" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_LBS10522
If soil is permeable A: water cannot flow through it. B: water easily flows through it. C: it contains many minerals. D: it contains few minerals.
{ "text": [ "water cannot flow through it.", "water easily flows through it.", "it contains many minerals.", "it contains few minerals." ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_405147
Sally is making candy on the stove. She places a thermometer in the candy. What is she measuring? A: length B: speed C: temperature D: weight
{ "text": [ "length", "speed", "temperature", "weight" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_SC_408027
Anthony and Zach want to know how the temperature of the air affects the temperature of lake water. Which type of tool should they use to measure the temperatures? A: balance B: ruler C: scale D: thermometer
{ "text": [ "balance", "ruler", "scale", "thermometer" ], "label": [ "A", "B", "C", "D" ] }
D
ACTAAP_2013_5_2
Which serve as evidence for a scientific theory? A: guesses B: opinions C: arguments D: observations
{ "text": [ "guesses", "opinions", "arguments", "observations" ], "label": [ "A", "B", "C", "D" ] }
D
MCAS_2007_8_5170
Which of the following identifies the primary function of a radio station tower in a communication system? A: decoder B: encoder C: receiver D: transmitter
{ "text": [ "decoder", "encoder", "receiver", "transmitter" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_SC_400660
Down feathers are used by many sleeping bag manufacturers because down feathers are A: fire resistant. B: comfortable padding. C: good insulators. D: water resistant.
{ "text": [ "fire resistant.", "comfortable padding.", "good insulators.", "water resistant." ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7195318
A farmer sprayed his orange trees with a pesticide to eliminate the insects damaging the trees. Some of the insects survived and produced offspring that were also resistant to the insecticide. Which process is illustrated by the pesticide resistance of the offspring? A: natural selection B: selective breeding C: aerobic respiration D: sexual reproduction
{ "text": [ "natural selection", "selective breeding", "aerobic respiration", "sexual reproduction" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7167020
An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult? A: the size of each body cell B: the number of cells in its body C: the amount of energy in its cells D: the collection of water in each cell
{ "text": [ "the size of each body cell", "the number of cells in its body", "the amount of energy in its cells", "the collection of water in each cell" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7132423
The human body is made up of organ systems that work together as one unit. Which systems work together to prepare and distribute food for cells? A: digestive and circulatory B: digestive and endocrine C: nervous and respiratory D: nervous and excretory
{ "text": [ "digestive and circulatory", "digestive and endocrine", "nervous and respiratory", "nervous and excretory" ], "label": [ "A", "B", "C", "D" ] }
A
MSA_2012_8_35
The human body is composed of different systems made of specialized cells, tissues, and organs. Each of these structures has a specific function that aids in the survival of the human species. Which organs are used in reproduction? A: brain, spinal cord, and eyes B: lungs, esophagus, and heart C: mouth, stomach, and gallbladder D: ovaries, uterus, and fallopian tubes
{ "text": [ "brain, spinal cord, and eyes", "lungs, esophagus, and heart", "mouth, stomach, and gallbladder", "ovaries, uterus, and fallopian tubes" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7058100
Which type of organism is at the lowest level of the food chain? A: autotroph B: heterotroph C: carnivore D: omnivore
{ "text": [ "autotroph", "heterotroph", "carnivore", "omnivore" ], "label": [ "A", "B", "C", "D" ] }
A
VASoL_2010_3_7
Jake's cats eat food from a can. The cats come running into the kitchen when they hear the electric can opener. Now, each time Jake's mother opens a can of corn, the cats come running. This is an example of A: learned behavior B: correct behavior C: instinct D: migration
{ "text": [ "learned behavior", "correct behavior", "instinct", "migration" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7027073
A team of surveyors takes measurements of ground altitude at horizontal intervals of 1 meter over a 400 square meter area. These measurements can best be used to produce which representation of the area? A: a topographical map B: a map of wind currents C: a plate tectonic diagram D: a chart of sedimentary layers
{ "text": [ "a topographical map", "a map of wind currents", "a plate tectonic diagram", "a chart of sedimentary layers" ], "label": [ "A", "B", "C", "D" ] }
A
MDSA_2009_5_21
Some schools have programs to recycle paper products such as student papers, newspapers, and cardboard boxes. Which of these statements describes a positive effect of recycling paper products? A: Schools need to buy less paper. B: Fewer trees need to be cut. C: Landfills have less room for other trash. D: Recycling consumes more energy than making new paper.
{ "text": [ "Schools need to buy less paper.", "Fewer trees need to be cut.", "Landfills have less room for other trash.", "Recycling consumes more energy than making new paper." ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7211943
Light sometimes behaves as waves and other times as particles. Which property of light is equally explainable by treating light as either particles or waves? A: interference of light B: reflection of light C: diffraction of light D: polarization of light
{ "text": [ "interference of light", "reflection of light", "diffraction of light", "polarization of light" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7071785
The topography of Nevada is dominated by basins and mountain ranges associated with which geological phenomena? A: faults B: trenches C: hot spots D: hydrothermal vents
{ "text": [ "faults", "trenches", "hot spots", "hydrothermal vents" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7007805
Which biological activity occurs in a repeated rhythm? A: sneezing B: coughing C: breathing D: blinking
{ "text": [ "sneezing", "coughing", "breathing", "blinking" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7269080
Which model best illustrates the wave property that enables scientists to explore Earth's interior using seismic waves? A: shining a light on rock in a bowl B: shining a light through a prism C: shining a light through a periscope D: shining a light on a sundial
{ "text": [ "shining a light on rock in a bowl", "shining a light through a prism", "shining a light through a periscope", "shining a light on a sundial" ], "label": [ "A", "B", "C", "D" ] }
B
MDSA_2007_5_14
In 1933, a hurricane came ashore at Ocean City, Maryland. A hurricane negatively affects a coastline by A: causing erosion B: causing earthquakes C: increasing food production D: increasing the growth of grasses
{ "text": [ "causing erosion", "causing earthquakes", "increasing food production", "increasing the growth of grasses" ], "label": [ "A", "B", "C", "D" ] }
A
MEA_2010_8_4-v1
Which statement describes the location of our Sun in the universe? A: Our Sun orbits Earth in the Andromeda galaxy. B: Our Sun orbits Earth in the Milky Way galaxy. C: Our Sun is the center of a solar system in the Milky Way galaxy. D: Our Sun is the center of a solar system in the Andromeda galaxy.
{ "text": [ "Our Sun orbits Earth in the Andromeda galaxy.", "Our Sun orbits Earth in the Milky Way galaxy.", "Our Sun is the center of a solar system in the Milky Way galaxy.", "Our Sun is the center of a solar system in the Andromeda galaxy." ], "label": [ "A", "B", "C", "D" ] }
C
AIMS_2009_4_17
Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim? A: Dinosaur footprints were found near the Grand Canyon. B: Fish were found living in the rivers of the Grand Canyon. C: Fossils of ocean animals were found at the Grand Canyon. D: Bones from desert animals were found at the Grand Canyon.
{ "text": [ "Dinosaur footprints were found near the Grand Canyon.", "Fish were found living in the rivers of the Grand Canyon.", "Fossils of ocean animals were found at the Grand Canyon.", "Bones from desert animals were found at the Grand Canyon." ], "label": [ "A", "B", "C", "D" ] }
C
ACTAAP_2007_7_32
Which is true of scientific discoveries? A: All scientific discoveries are based solely on observation and never experimentation. B: Sometimes scientific discoveries are made by accident, like the discovery of penicillin. C: If a scientist cannot provide the exact time and place his or her discovery was made, it is dismissed. D: All scientific discoveries are regulated by government agencies, like the Food and Drug Administration.
{ "text": [ "All scientific discoveries are based solely on observation and never experimentation.", "Sometimes scientific discoveries are made by accident, like the discovery of penicillin.", "If a scientist cannot provide the exact time and place his or her discovery was made, it is dismissed.", "All scientific discoveries are regulated by government agencies, like the Food and Drug Administration." ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_401768
Which is a process that most likely formed the Appalachian Mountains found in the eastern part of North America? A: earthquake B: folded rock C: plate tectonics D: volcanic activity
{ "text": [ "earthquake", "folded rock", "plate tectonics", "volcanic activity" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7093135
Which technology used to generate electrical power involves a trade-off between economical electricity and long-term waste disposal problems? A: fossil fuel B: nuclear reactor C: solar collector D: wind turbine
{ "text": [ "fossil fuel", "nuclear reactor", "solar collector", "wind turbine" ], "label": [ "A", "B", "C", "D" ] }
B
MCAS_2010_5_9
All the ponds in an area dried up during a drought. The population of which of the following animals that live in the area is most affected by the drought? A: deer B: frog C: hawk D: squirrel
{ "text": [ "deer", "frog", "hawk", "squirrel" ], "label": [ "A", "B", "C", "D" ] }
B
NYSEDREGENTS_2005_4_16
Which substance is usually found in nature as a liquid, solid, and gas? A: water B: rock C: metal D: glass
{ "text": [ "water", "rock", "metal", "glass" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_417474
The scientific name for a giraffe is Giraffa camelopardalis. What two levels of classification does this name represent? A: family and order B: kingdom and genus C: phylum and domain D: genus and species
{ "text": [ "family and order", "kingdom and genus", "phylum and domain", "genus and species" ], "label": [ "A", "B", "C", "D" ] }
D
NYSEDREGENTS_2007_8_39
The Moon has the greatest effect on Earth's 1: year 2: seasons 3: ocean tides 4: daylight hours
{ "text": [ "year", "seasons", "ocean tides", "daylight hours" ], "label": [ "1", "2", "3", "4" ] }
3
Mercury_405160
Granite is classified as a rock because it A: is made of minerals. B: is hard and rounded. C: has crystals. D: has mass.
{ "text": [ "is made of minerals.", "is hard and rounded.", "has crystals.", "has mass." ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7011375
The measure of the amount of light received on Earth from a star is known as A: parallax. B: redshift. C: absolute magnitude. D: apparent magnitude.
{ "text": [ "parallax.", "redshift.", "absolute magnitude.", "apparent magnitude." ], "label": [ "A", "B", "C", "D" ] }
D
MCAS_2007_8_5162
Heat from deep in Earth's interior is transferred to its crust by which of the following? A: conduction in the ocean B: convection in the mantle C: radiation from the solid core D: evaporation at mid-ocean ridges
{ "text": [ "conduction in the ocean", "convection in the mantle", "radiation from the solid core", "evaporation at mid-ocean ridges" ], "label": [ "A", "B", "C", "D" ] }
B
TAKS_2009_8_26
The growth of which of the following usually occurs first in primary succession on a bare rock? A: Lichens B: Grasses C: Trees D: Shrubs
{ "text": [ "Lichens", "Grasses", "Trees", "Shrubs" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7011428
The process by which water vapor in the atmosphere cools and becomes a liquid is called A: evaporation. B: perspiration. C: condensation. D: transportation.
{ "text": [ "evaporation.", "perspiration.", "condensation.", "transportation." ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_SC_400023
A student is dropping objects of various sizes and shapes and recording the time it takes for each object to hit the ground. Which question is the student most likely trying to answer? A: What force slows some objects down? B: What force pulls objects to the ground? C: Do some objects fall more quickly than others? D: Do objects break or bounce when hitting the ground?
{ "text": [ "What force slows some objects down?", "What force pulls objects to the ground?", "Do some objects fall more quickly than others?", "Do objects break or bounce when hitting the ground?" ], "label": [ "A", "B", "C", "D" ] }
C
AKDE&ED_2012_8_41
Which two processes in the water cycle are primarily responsible for the creation of a lake? A: evaporation and runoff B: evaporation and condensation C: precipitation and runoff D: precipitation and condensation
{ "text": [ "evaporation and runoff", "evaporation and condensation", "precipitation and runoff", "precipitation and condensation" ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7010220
The correct procedure after completing a laboratory experiment is to A: put all non-reusable glass in the trash. B: pour all used chemicals down the sink. C: collect and store recyclable material. D: return used samples to natural settings.
{ "text": [ "put all non-reusable glass in the trash.", "pour all used chemicals down the sink.", "collect and store recyclable material.", "return used samples to natural settings." ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_7245770
Which is an example of primary ecological succession? A: plants and animals invading an abandoned crop field B: mangroves stabilizing the soils on tropical coasts C: minerals spurring rapid plant growth D: lichen growth on rocks
{ "text": [ "plants and animals invading an abandoned crop field", "mangroves stabilizing the soils on tropical coasts", "minerals spurring rapid plant growth", "lichen growth on rocks" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7284078
What is true of mutualistic relationships among organisms? A: The organisms ignore each other. B: The organisms cooperate with each other. C: The organisms prey on each other. D: The organisms compete with each other.
{ "text": [ "The organisms ignore each other.", "The organisms cooperate with each other.", "The organisms prey on each other.", "The organisms compete with each other." ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_405793
Carolina uses a microscope to view a soil sample taken from her backyard. Which part of the soil would she ONLY be able to see with a microscope? A: bacteria B: grass C: rainwater D: rocks
{ "text": [ "bacteria", "grass", "rainwater", "rocks" ], "label": [ "A", "B", "C", "D" ] }
A
Mercury_7014280
The part of the rock cycle that transforms compressed rock formed from sea organism shells into a harder, denser rock is A: igneous rock becoming sedimentary rock. B: igneous rock becoming metamorphic rock. C: metamorphic rock becoming igneous rock. D: sedimentary rock becoming metamorphic rock.
{ "text": [ "igneous rock becoming sedimentary rock.", "igneous rock becoming metamorphic rock.", "metamorphic rock becoming igneous rock.", "sedimentary rock becoming metamorphic rock." ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_416384
A group of scientists predicts that Earth's oceans will be able to take up more carbon dioxide as atmospheric carbon dioxide levels increase and the atmosphere warms. Which of these statements about the solubility of gases in ocean water would lead you to question this prediction? A: Solubility decreases with an increase in salinity. B: Solubility decreases with an increase in temperature. C: Solubility increases with an increase in pressure. D: Solubility increases with an increase in pH.
{ "text": [ "Solubility decreases with an increase in salinity.", "Solubility decreases with an increase in temperature.", "Solubility increases with an increase in pressure.", "Solubility increases with an increase in pH." ], "label": [ "A", "B", "C", "D" ] }
B
CSZ_2009_8_CSZ30768
Which of the following elements is best able to combine with itself and hydrogen [H] to form large molecules? A: sodium [Na] B: lithium [Li] C: sulfur [S] D: carbon [C]
{ "text": [ "sodium [Na]", "lithium [Li]", "sulfur [S]", "carbon [C]" ], "label": [ "A", "B", "C", "D" ] }
D
NYSEDREGENTS_2007_4_16
Growing thicker fur in the winter helps some animals to A: hide from danger B: attract a mate C: find food D: keep warm
{ "text": [ "hide from danger", "attract a mate", "find food", "keep warm" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7042683
Several types of mechanisms in the body regulate the rate of chemical reactions in the digestive system. Among the most important are feedback systems, which control the release rate of A: lipids. B: enzymes. C: nucleic acids. D: carbohydrates.
{ "text": [ "lipids.", "enzymes.", "nucleic acids.", "carbohydrates." ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_SC_413301
The water in a pond gets colder one night. Which tool is best to observe its temperature change? A: balance B: magnifying glass C: ruler D: thermometer
{ "text": [ "balance", "magnifying glass", "ruler", "thermometer" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7091998
During subduction, one tectonic plate is forced below another. The subducting plate is forced into the A: asthenosphere. B: lithosphere. C: outer core. D: inner core.
{ "text": [ "asthenosphere.", "lithosphere.", "outer core.", "inner core." ], "label": [ "A", "B", "C", "D" ] }
A
NAEP_2005_8_S11+9
What two gases make up most of the Earth's atmosphere? A: Hydrogen and oxygen B: Hydrogen and nitrogen C: Oxygen and carbon dioxide D: Oxygen and nitrogen
{ "text": [ "Hydrogen and oxygen", "Hydrogen and nitrogen", "Oxygen and carbon dioxide", "Oxygen and nitrogen" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7015785
A light-year is a measure of A: time. B: energy. C: distance. D: direction.
{ "text": [ "time.", "energy.", "distance.", "direction." ], "label": [ "A", "B", "C", "D" ] }
C
NYSEDREGENTS_2016_4_10
Some birds live in a forest. If many of the trees in the forest are cut down, the shelter for the birds will A: decrease B: increase C: remain the same
{ "text": [ "decrease", "increase", "remain the same" ], "label": [ "A", "B", "C" ] }
A
Mercury_7188125
In the human body, cellular respiration breaks down sugar molecules after they enter the cell. What results from this process? A: growth of bacteria B: release of energy C: activity of enzymes D: production of oxygen
{ "text": [ "growth of bacteria", "release of energy", "activity of enzymes", "production of oxygen" ], "label": [ "A", "B", "C", "D" ] }
B
MEA_2011_8_2
What causes a person to have blue eyes? A: eating foods high in protein at a young age B: having a brother or sister with blue eyes C: being overexposed to the Sun at a young age D: receiving a gene for blue eyes from each parent
{ "text": [ "eating foods high in protein at a young age", "having a brother or sister with blue eyes", "being overexposed to the Sun at a young age", "receiving a gene for blue eyes from each parent" ], "label": [ "A", "B", "C", "D" ] }
D
Mercury_7009503
When an atom loses or gains an electron, it changes A: atomic mass. B: atomic number. C: charge. D: element.
{ "text": [ "atomic mass.", "atomic number.", "charge.", "element." ], "label": [ "A", "B", "C", "D" ] }
C
Mercury_411730
In which pair of elements are both metalloids? A: Sn and Sb B: Sb and Te C: Te and I D: I and Xe
{ "text": [ "Sn and Sb", "Sb and Te", "Te and I", "I and Xe" ], "label": [ "A", "B", "C", "D" ] }
B
Mercury_7136045
Florida has a large supply of phosphate that ancient seas deposited millions of years ago. The phosphate contains the remains of animals that were deposited in layers on the sea floor. Which type of rock did the phosphate become? A: intrusive igneous B: extrusive igneous C: clastic sedimentary D: organic sedimentary
{ "text": [ "intrusive igneous", "extrusive igneous", "clastic sedimentary", "organic sedimentary" ], "label": [ "A", "B", "C", "D" ] }
D