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shivank21
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arc_easy_subset

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ACTAAP_2014_5_6
Scientists found large areas of fossilized wood in a desert in Arizona. The fossilized wood is evidence of the ancient environment. Based on the evidence, what was the ancient environment in this area?
{ "text": [ "forest", "desert", "glacier", "grasslands" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7001628
A change in the pattern of warm ocean currents can cause a climate change by
{ "text": [ "releasing thermal energy in irregular spurts.", "absorbing thermal energy from the Sun's rays.", "moving thermal energy from one place to another.", "increasing the ocean's capacity for absorbing thermal energy." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7206623
A student measures the rising temperature of heated water for 20 minutes in two-minute intervals. Which of these tools will best help the student organize the data?
{ "text": [ "flow chart", "pie chart", "data table", "bar graph" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
NYSEDREGENTS_2010_4_26
The energy that is stored in food originally comes from
{ "text": [ "air", "soil", "sunlight", "water" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7003990
Tides occur in the oceans at regular times every day because of
{ "text": [ "upper atmospheric disturbances.", "the tilt of Earth's rotational axis.", "density differences caused by temperature changes.", "the gravitational pull of the Sun and the Moon." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7033530
What is the primary source of stored thermal energy in oceans?
{ "text": [ "sunlight", "plankton", "volcanoes", "hurricanes" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_416411
Which of the following contains most of the water on Earth?
{ "text": [ "the oceans", "watersheds", "the atmosphere", "ice and aquifers" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_SC_409563
Jamil studied how the position of Earth around the Sun affects the energy available on Earth. Which best explains why a particular place on Earth receives more energy during summer months than winter months?
{ "text": [ "the tilt of Earth", "the rotation of Earth", "the distance between Earth and the Sun", "the amount of rays produced by the Sun" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
MCAS_2000_4_23
Cactus plants grow best in environments (habitats) that are
{ "text": [ "hot and dry.", "hot and wet.", "cold and dry.", "cold and wet." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7109428
The nucleus contains DNA. Which statement best describes how DNA controls the working of the cell?
{ "text": [ "It codes for proteins.", "It inhibits division of cells.", "It helps in energy transformation.", "It regulates traffic in and out of the cell." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
NYSEDREGENTS_2012_8_31
Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator?
{ "text": [ "warm and dry", "warm and humid", "cool and dry", "cool and humid" ], "label": [ "1", "2", "3", "4" ] }
2
ARC-Easy
VASoL_2007_5_38
A student sees many plants around a pond. The student can determine which plants are nonvascular by
{ "text": [ "observing if they lack true stems, roots, or leaves", "examining the plants for spores", "counting the number of leaves on each stalk", "noticing if the plants are near rocks" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7017920
To a person standing motionless on the Earth's surface on a day with no wind, in which direction would the rain appear to fall?
{ "text": [ "vertically", "diagonally", "horizontally", "circularly" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
MCAS_2001_8_19
Use the information below to answer the question. In solid fuel rockets, a fuel mixture is burned and once the mixture starts burning it cannot be stopped. In liquid fuel rockets, there is a tank of fuel and a tank of oxygen. The burning of the fuel can be stopped by preventing the flow of fuel and oxygen into the combustion chamber. Based on this information, which system is more highly developed in liquid fuel rockets than in solid fuel rockets?
{ "text": [ "propulsion", "suspension", "control", "structure" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
MCAS_2004_8_25
In a laboratory, a sealed container with 100 g of steam is cooled until all the steam becomes a liquid. The container is then cooled further until all the water becomes a solid. Which of the following remains constant during both of these changes?
{ "text": [ "the mass of the water", "the pressure in the container", "the total energy of the water", "the position of the atoms in the container" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
NYSEDREGENTS_2010_4_25
The function of a plant's roots is to take in
{ "text": [ "light and water", "light and air", "nutrients and water", "nutrients and soil" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_400380
A student suggests to the school board that they use a renewable energy source. The student suggests they use
{ "text": [ "coal.", "wind.", "wood.", "natural gas." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_405219
Refrigerators were invented to keep food cold. This is helpful in
{ "text": [ "growing food.", "cleaning food.", "keeping food dry.", "keeping food fresh." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
MSA_2012_5_34
Old, worn-out rubber tires are called scrap tires. Which way of disposing of scrap tires is best for the environment?
{ "text": [ "burning the tires", "dumping the tires in a lake", "burying the tires in a landfill", "taking the tires to a recycling center" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
NYSEDREGENTS_2013_8_35
The amount of which greenhouse gas in the air will increase the most if large forests are cut down to be used for building materials without planting new trees in their place?
{ "text": [ "ozone", "methane", "water vapor", "carbon dioxide" ], "label": [ "1", "2", "3", "4" ] }
4
ARC-Easy
Mercury_SC_402124
About how long does it take Earth to make a complete revolution around the Sun?
{ "text": [ "1 year", "1 week", "1 day", "1 hour" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7027108
Which event or principle cannot have its validity directly tested by laboratory experiment?
{ "text": [ "the Big Bang Theory", "the Conservation of Energy", "the Periodicity of Element Properties", "the Acceleration of Objects due to Gravity" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7008033
Which is an example of mechanical weathering?
{ "text": [ "a rockslide", "a volcano erupting", "an earthquake occurring", "a rock freezing and thawing" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7081550
A student counts ants in an ant colony every day at the same time. The student writes the date of observation in one column in a notebook and the number of ants counted on each date in a second column. Which best describes how the student arranged the information?
{ "text": [ "pie chart", "data table", "bar graph", "scatterplot" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
LEAP__7_10346
Which relationship is mutualistic?
{ "text": [ "an insect that lives and feeds on the body of an alligator", "an ant that lives on a plant and defends the plant from other insects", "a bird that migrates to follow the movements of the butterflies that it eats", "a deer that eats one kind of plant, which allows another kind of plant to grow in its place" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
OHAT_2008_8_29
Which explains the relationship between hours of sunlight and seasons?
{ "text": [ "the rotation of Earth on its axis", "the tilt of Earth's axis relative to the sun", "the location of Earth's orbit in the solar system", "the motion of the moon as it travels around Earth" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_409465
A dietary supplement manufacturer developed a new calcium supplement that appears to increase the bone density in middle-aged women. When tested in a small clinical trial, the supplement was shown to cause a 15% increase in bone density in 8 out of 10 women. Before the supplement is offered to the general public, which step should the manufacturer take next?
{ "text": [ "add a variety of vitamins to the supplement", "test the supplement on mice in the laboratory", "develop packaging that is attractive to women", "test the supplement on a larger sample of women" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7015663
What is the name of the process in which igneous, sedimentary, and metamorphic rocks are converted into one another in stages?
{ "text": [ "rock cycle", "erosion cycle", "magma cycle", "tectonic cycle" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7001873
Neon (Ne), argon (Ar), and krypton (Kr) are in the same column on the Periodic Table of the Elements. What characteristic do these elements have in common?
{ "text": [ "atomic mass", "negative electrical charge", "number of neutrons", "full valence electron shells" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_407263
Which part of digestion is mainly a chemical change?
{ "text": [ "Teeth break food into small pieces.", "Throat muscles push food toward the stomach.", "Stomach acids dissolve food into nutrients.", "Intestinal cells transport nutrients into the blood." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7009748
Sonar can be used to measure distances underwater. This is accomplished by sending a sound wave to a "target" while measuring the total time it takes for the wave to reach the target and then return to its source. Which of the following sound wave characteristics must be known when using sonar to measure distances?
{ "text": [ "amplitude", "wavelength", "frequency", "speed" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_SC_LBS10041
In plants, what is responsible for passing traits from one generation to the next?
{ "text": [ "chloroplasts", "photosynthesis", "roots", "genes" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7207060
Greenhouse gases in the atmosphere absorb infrared radiation from Earth's surface and re-radiates some of it back to Earth. Which of these gases have the most significant impact on the temperature of Earth's atmosphere?
{ "text": [ "nitrogen and argon", "oxygen and sulfur dioxide", "carbon dioxide and water vapor", "hydrochloric acid and hydrogen" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7269098
Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed
{ "text": [ "only coal.", "only natural gas.", "oil and coal.", "oil and natural gas." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
VASoL_2009_5_17
In winter, the arctic fox has white fur. In summer, its fur changes color to brown and gray. The change in fur color helps the arctic fox to ___.
{ "text": [ "run", "mate", "hide", "hibernate" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_405081
Some classrooms have computers. The computer is most useful to the students because it helps them
{ "text": [ "play games.", "watch movies.", "listen to music.", "find information." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7093083
Radioactive waste from nuclear power plants is sealed in containers and deeply buried in the ground. Sealing and burying waste reduces the chances that water will become contaminated. At which point in the water cycle would radioactive contamination most likely be found?
{ "text": [ "rain", "fog", "groundwater", "surface water" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7210630
Which of these includes Earth?
{ "text": [ "the asteroid belt", "the Andromeda Galaxy", "the solar system", "the Eagle Nebula" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_404975
Students are attempting to make a doorbell ring using some wire and a battery. What is needed to make the bell ring?
{ "text": [ "friction", "gravity", "a convection current", "an electrical circuit" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
NAEP_2005_8_S13+8
Which is an example of water condensing? 1.
{ "text": [ "puddle disappearing on a hot summer afternoon", "Sweat forming on your forehead after you do a lot of exercise", "Ice cubes melting when you put them out in the sun", "Dew forming on plants during a cold night" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7056543
What should be added to soil to increase its water retention?
{ "text": [ "pebbles", "sand", "rocks", "clay" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7008260
Which is a possible consequence of global warming?
{ "text": [ "an increase in the amount of coral reefs", "a decrease in temperature, causing earlier frosts", "an increase in the number of heat waves, causing droughts", "a decrease in temperature, causing shorter growing seasons" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7083458
A cut to the skin is treated with antiseptic first to avoid
{ "text": [ "an immune response.", "a bacterial infection.", "bruising of tissues.", "an allergic reaction." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_7123533
Some astronauts may spend several months in space orbiting Earth. Where do these astronauts most likely stay while in space?
{ "text": [ "on a space station", "in a space shuttle", "on a space probe", "in a lunar module" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
ACTAAP_2010_7_8
The list below gives some symptoms of people with the common cold. Symptoms of the Common Cold stuffy nose low fever sore throat cough Which body system is most affected by the common cold?
{ "text": [ "Nervous", "Digestive", "Circulatory", "Respiratory" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_414500
The National Aeronautics and Space Administration (NASA) is the agency responsible for the space program in the United States. What was the goal of NASA's Apollo program?
{ "text": [ "to search for life on planets other than Earth", "to land on a planet in another solar system", "to determine the composition the Sun", "to send a human to land on the Moon" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_SC_411419
Plants that are different from each another may have similar structures. Which structure do all plants have in common?
{ "text": [ "flowers", "fruit", "roots", "trunks" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_401817
All of these are examples of observation and measurement except
{ "text": [ "charting where birds fly.", "attracting birds with birdseed.", "counting the number of birds that fly by.", "illustrating the different birds that fly by." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_405090
Snow turns to liquid water when it
{ "text": [ "freezes.", "melts.", "condenses.", "evaporates." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
NYSEDREGENTS_2013_4_13
Which organisms break down and recycle dead plants and animals?
{ "text": [ "predators", "prey", "decomposers", "producers" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
ACTAAP_2007_7_9
What is the downward movement of water through pores and other spaces in soil due to the force of gravity?
{ "text": [ "percolation", "evaporation", "precipitation", "condensation" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_SC_402112
Students are conducting an investigation to see how sunlight affects the speed of plant growth. They measure the growth of the plant at the end of two weeks. What would be the best way to communicate the results of this investigation?
{ "text": [ "draw a picture", "make some notes", "make a chart or graph", "tell the science teacher" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7090563
Volcanoes are considered constructive because they
{ "text": [ "deposit lava.", "cause erosion.", "trigger earthquakes.", "release gases." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_415684
What is the effect of absorption of infrared light by human skin?
{ "text": [ "sunburn on the skin surface", "disinfection of the skin tissues", "feeling of warmth on the skin", "immediate death of skin cells" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
MDSA_2009_8_25
A growing community relies on a nearby lake to provide fresh water for drinking and bathing. An increase in the use of fresh water will cause the lake to become
{ "text": [ "colder", "deeper", "larger", "smaller" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_SC_408336
On January 15th, there were 10 hours and 24 minutes of daylight in Jacksonville, Florida. On the same day, there were only 9 hours and 37 minutes of daylight in New York City. Why did New York have fewer hours of daylight than Florida?
{ "text": [ "because Earth rotates", "because Earth tilts on its axis", "because gravity pulls Earth toward the Sun", "because the Moon reflects sunlight onto Earth" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
MCAS_2015_5_11
What form of energy makes a compass needle point north?
{ "text": [ "electrical", "heat", "light", "magnetic" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
VASoL_2008_5_11
Students collect pond water in their beakers. Which is the best unit of measurement for the volume of water they collect?
{ "text": [ "Grams", "Meters", "Milliliters", "Centimeters" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_LBS11008
A lumber company plants new trees where a forest once stood. This is an example of
{ "text": [ "conserving resources.", "consuming resources.", "recycling resources.", "replacing resources." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
NYSEDREGENTS_2015_8_31
Which type of energy is transferred by vibrational waves?
{ "text": [ "nuclear", "light", "chemical", "sound" ], "label": [ "1", "2", "3", "4" ] }
4
ARC-Easy
Mercury_SC_400611
Over a long time, oil can form when layers of sediment push down on decomposing
{ "text": [ "trees.", "animals.", "fungi.", "algae." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_SC_401611
Many scientists are convinced that an increase of certain gases in the atmosphere is affecting global temperatures. What makes this hypothesis difficult to prove?
{ "text": [ "Trees absorb these gases.", "Global temperatures are rising.", "Many variables affect global temperatures.", "Many human activities produce these gases." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7085470
Which of these provides the best evidence that an environmental change has occurred?
{ "text": [ "a freshwater lake in the mountains", "marine fossils in a freshwater lake", "saltwater clams in the ocean", "a sandy beach next to the ocean" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
MDSA_2010_8_38
When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do non-native plants threaten native plants?
{ "text": [ "Non-native plants are able to mutate rapidly.", "Non-native plants cause native animals to relocate.", "Non-native plants are able to be used for medicine.", "Non-native plants compete with native plants for resources." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
NYSEDREGENTS_2008_8_16
Which substance do all living things require to survive?
{ "text": [ "blood", "water", "carbon dioxide", "organic soil" ], "label": [ "1", "2", "3", "4" ] }
2
ARC-Easy
Mercury_SC_415350
Which is an inherited characteristic on a horse?
{ "text": [ "a long mane", "a steel shoe", "a missing tooth", "a bruised leg" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_SC_LBS10391
Which of the following is a first-level consumer?
{ "text": [ "wolf", "hawk", "carrot", "rabbit" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
TAKS_2009_5_1
Which of the following items is necessary in a laboratory for safety purposes?
{ "text": [ "Triple-beam balance", "Metric ruler", "Computer monitor", "Fire extinguisher" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7058503
Which organisms break down dead matter and recycle nutrients back into the ecosystem?
{ "text": [ "grasses and trees", "rabbits and deer", "lions and alligators", "mushrooms and bacteria" ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
Mercury_7009835
When using a microscope, it is best to use a wet mount to
{ "text": [ "observe live organisms.", "show the interior of sliced objects.", "highlight objects with chemical dyes.", "remove debris that is obscuring the object." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7008418
What major events cause islands to form in the Pacific Ocean?
{ "text": [ "tsunamis", "severe storms", "volcanic eruptions", "erosion" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
NYSEDREGENTS_2013_4_3
There is a shadow under a tree. Which form of energy must be present for the shadow to occur?
{ "text": [ "heat", "light", "sound", "mechanical" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_408250
Robin compared the properties of some rocks. Which property did she most likely compare with a balance?
{ "text": [ "density", "mass", "temperature", "volume" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
CSZ20334
Gravity is responsible for the ___.
{ "text": [ "orbits of the planets around the Sun", "rotation of a planet on its axis", "tilt of Earth's axis", "phases of the Moon" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
AKDE&ED_2008_8_39
A scientific explanation should include a demonstration of the relationships between
{ "text": [ "measurement, form, and function.", "changes, interactions, and formulas.", "logic, evidence, and current knowledge.", "hypothesis, problem solving, and lab equipment." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7263008
Which two theories of Moon formation propose that much or all of the material comprising the Moon came from Earth?
{ "text": [ "The Fission Theory and The Coaccretion Theory", "The Coaccretion Theory and The Capture Theory", "The Fission Theory and the Giant Impact Theory", "The Capture Theory and the Giant Impact Theory" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
ACTAAP_2008_5_13
Which is a characteristic of sedimentary rock?
{ "text": [ "forms in layers", "looks very shiny", "contains crystals", "forms from magma" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7241063
Which factor determines if two individuals are members of the same species?
{ "text": [ "They live in the same habitat and niche.", "They forage and eat the same type of food.", "They mate and produce fertile offspring.", "They are similar in appearance and color." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7128240
Mangrove trees are affected by several factors. Which is an abiotic factor contributing to the energy cycle of a mangrove ecosystem?
{ "text": [ "bacteria", "climate", "fungi", "rocks" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_406546
A plant that has traits identical to the parent plant provides evidence that the plant
{ "text": [ "resulted from sexual reproduction.", "resulted from asexual reproduction.", "will develop many seeds.", "will have large leaves." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_415415
What happens to climate and weather over a summer?
{ "text": [ "Weather varies more than climate.", "Climate varies more than weather.", "Climate varies, but weather stays the same.", "Weather and climate vary to the same degree." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7230125
The hypothesis of an expanding universe required which type of validation before being accepted as a significant part of scientific theory?
{ "text": [ "a controlled single-variable laboratory test", "support through evidence from numerous observations", "proposal of alternative explanations with predictive value", "a full-scale replication of each event in the proper sequence" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
AKDE&ED_2008_8_43
Charles Darwin made a number of observations and inferences during his travels. He studied island finches during a long period of time. Which statement is an inference?
{ "text": [ "Individual birds have different colored feathers.", "Island finches have a large number of offspring.", "Individual birds of an island finch species have many differences.", "Island finches share a common ancestry with mainland finch species." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
NAEP_2000_8_S21+8
Which of the following is designed to convert energy into mechanical work?
{ "text": [ "Electric fan", "Kerosene heater", "Flashlight", "Baking oven" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
NYSEDREGENTS_2008_4_8
A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is
{ "text": [ "4 centimeters", "8 centimeters", "12 centimeters", "16 centimeters" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
LEAP__7_10341
A scientist studied a species of fish. She found that when a certain nutrient was added to the diet of the fish just after hatching, the fish gained an average of 3 kilograms in the first year. What additional information is needed to determine whether the nutrient is affecting the growth of the fish?
{ "text": [ "how much adult fish gained on average when the same nutrient was added to their diet", "how much newly hatched fish in this species gain in the first year without the nutrient in their diet", "how much of the nutrient is available for the fish species in their natural surroundings", "how much other species of fish gain in the first year when the nutrient is added to their diet" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
MCAS_2000_4_32
The parts of plants that make seeds are the
{ "text": [ "roots.", "stems.", "flowers.", "leaves." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7024360
Which human activity would have the greatest positive impact on the water quality of a stream?
{ "text": [ "releasing warm water into the stream", "driving cars through the stream", "reducing use of fertilizers near the stream", "increasing use of chemicals near the stream" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
MCAS_2004_9_6-v1
Which of the following is the best example of a wave?
{ "text": [ "a stone rolling downhill", "a vehicle traveling on a bumpy road", "a string vibrating on a guitar", "a grasshopper jumping up and down occasionally" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_SC_406012
The nervous system consists of the brain, spinal cord, and nerves that run throughout the entire body. Which of these is one function of the nervous system?
{ "text": [ "supports body posture", "controls body functions", "supplies the blood with oxygen", "carries blood to and from the heart" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_LBS10611
Which of these best describes a fossil?
{ "text": [ "a geometric pattern formed by a mineral", "a solid element or compound from Earth's crust", "remains of an extinct organism found in a rock layer", "bits of weathered rocks and pieces of dead organisms" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
MCAS_2006_8_21
Which of the following is the best example of a part of the propulsion system of a tractor?
{ "text": [ "engine", "front headlight", "hood", "steering wheel" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_SC_402125
Two high tides and two low tides occur on Earth every
{ "text": [ "day.", "hour.", "week.", "month." ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7032148
Which scientist is credited for the development of the polio vaccine?
{ "text": [ "Jonas Salk", "Neil Armstrong", "Albert Einstein", "Jacques Cousteau" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
Mercury_7148155
Air that travels away from the equator fails to maintain a straight path. The path of the air is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. The apparent deflection of air to either the right or left is known as the Coriolis Effect. Which factor produces the Coriolis Effect?
{ "text": [ "the gravity of Earth", "the rotation of Earth", "the axial tilt of Earth", "the revolution of Earth" ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_SC_416166
What helps skin feel heat and pressure?
{ "text": [ "muscle cells", "blood cells", "nerve cells", "bone cells" ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy
Mercury_7141890
Based on the organization of living things, tissues
{ "text": [ "form systems.", "are made of cells.", "are made of organs.", "do the work of cells." ], "label": [ "A", "B", "C", "D" ] }
B
ARC-Easy
Mercury_7222145
Elements on the right side of the periodic table differ from the elements on the left side in that the elements on the right side
{ "text": [ "are solid at room temperature.", "are good electrical conductors.", "generally have very high densities.", "tend to form ions by gaining electrons." ], "label": [ "A", "B", "C", "D" ] }
D
ARC-Easy
VASoL_2008_3_35
A black bear eats many different things, including grasses, roots, and berries. It also eats insects, fish, and other small animals. Which of these BEST describes a black bear?
{ "text": [ "Omnivore", "Carnivore", "Herbivore", "Producer" ], "label": [ "A", "B", "C", "D" ] }
A
ARC-Easy
MDSA_2013_8_2
Each layer of Earth has different properties. Which statement best describes the mantle of Earth?
{ "text": [ "The mantle lies below the core.", "The mantle is composed of hot gases.", "The mantle lies between the core and the crust.", "The mantle temperature is lower than the crust temperature." ], "label": [ "A", "B", "C", "D" ] }
C
ARC-Easy