shivank21/arc_subset_mistral_ours · Datasets at Hugging Face

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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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "forest", "desert", "glacier", "grasslands" ] }	A	ARC-Easy	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? Choices: A forest B desert C glacier D grasslands	B desert
Mercury_7001628	A change in the pattern of warm ocean currents can cause a climate change by	{ "label": [ "A", "B", "C", "D" ], "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." ] }	C	ARC-Easy	A change in the pattern of warm ocean currents can cause a climate change by Choices: A releasing thermal energy in irregular spurts. B absorbing thermal energy from the Sun's rays. C moving thermal energy from one place to another. D increasing the ocean's capacity for absorbing thermal energy.	C moving thermal energy from one place to another.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "flow chart", "pie chart", "data table", "bar graph" ] }	C	ARC-Easy	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? Choices: A flow chart B pie chart C data table D bar graph	C data table
NYSEDREGENTS_2010_4_26	The energy that is stored in food originally comes from	{ "label": [ "A", "B", "C", "D" ], "text": [ "air", "soil", "sunlight", "water" ] }	C	ARC-Easy	The energy that is stored in food originally comes from Choices: A air B soil C sunlight D water	C sunlight
Mercury_7003990	Tides occur in the oceans at regular times every day because of	{ "label": [ "A", "B", "C", "D" ], "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." ] }	D	ARC-Easy	Tides occur in the oceans at regular times every day because of Choices: A upper atmospheric disturbances. B the tilt of Earth's rotational axis. C density differences caused by temperature changes. D the gravitational pull of the Sun and the Moon.	D the gravitational pull of the Sun and the Moon.
Mercury_7033530	What is the primary source of stored thermal energy in oceans?	{ "label": [ "A", "B", "C", "D" ], "text": [ "sunlight", "plankton", "volcanoes", "hurricanes" ] }	A	ARC-Easy	What is the primary source of stored thermal energy in oceans? Choices: A sunlight B plankton C volcanoes D hurricanes	A) sunlight
Mercury_416411	Which of the following contains most of the water on Earth?	{ "label": [ "A", "B", "C", "D" ], "text": [ "the oceans", "watersheds", "the atmosphere", "ice and aquifers" ] }	A	ARC-Easy	Which of the following contains most of the water on Earth? Choices: A the oceans B watersheds C the atmosphere D ice and aquifers	A the oceans
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "the tilt of Earth", "the rotation of Earth", "the distance between Earth and the Sun", "the amount of rays produced by the Sun" ] }	A	ARC-Easy	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? Choices: A the tilt of Earth B the rotation of Earth C the distance between Earth and the Sun D the amount of r...	A the tilt of Earth
MCAS_2000_4_23	Cactus plants grow best in environments (habitats) that are	{ "label": [ "A", "B", "C", "D" ], "text": [ "hot and dry.", "hot and wet.", "cold and dry.", "cold and wet." ] }	A	ARC-Easy	Cactus plants grow best in environments (habitats) that are Choices: A hot and dry. B hot and wet. C cold and dry. D cold and wet.	A hot and dry.
Mercury_7109428	The nucleus contains DNA. Which statement best describes how DNA controls the working of the cell?	{ "label": [ "A", "B", "C", "D" ], "text": [ "It codes for proteins.", "It inhibits division of cells.", "It helps in energy transformation.", "It regulates traffic in and out of the cell." ] }	A	ARC-Easy	The nucleus contains DNA. Which statement best describes how DNA controls the working of the cell? Choices: A It codes for proteins. B It inhibits division of cells. C It helps in energy transformation. D It regulates traffic in and out of the cell.	A It codes for proteins.
NYSEDREGENTS_2012_8_31	Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator?	{ "label": [ "1", "2", "3", "4" ], "text": [ "warm and dry", "warm and humid", "cool and dry", "cool and humid" ] }	2	ARC-Easy	Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator? Choices: 1 warm and dry 2 warm and humid 3 cool and dry 4 cool and humid	2 warm and humid
VASoL_2007_5_38	A student sees many plants around a pond. The student can determine which plants are nonvascular by	{ "label": [ "A", "B", "C", "D" ], "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" ] }	A	ARC-Easy	A student sees many plants around a pond. The student can determine which plants are nonvascular by Choices: A observing if they lack true stems, roots, or leaves B examining the plants for spores C counting the number of leaves on each stalk D noticing if the plants are near rocks	A observing if they lack true stems, roots, or leaves
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "vertically", "diagonally", "horizontally", "circularly" ] }	A	ARC-Easy	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? Choices: A vertically B diagonally C horizontally D circularly	A vertically. Rain falls straight down from the clouds.
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 comb...	{ "label": [ "A", "B", "C", "D" ], "text": [ "propulsion", "suspension", "control", "structure" ] }	C	ARC-Easy	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 comb...	C control
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?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	A	ARC-Easy	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? Choices: A the mass of the water B the pressure in the container C the ...	D the position of the atoms in the container
NYSEDREGENTS_2010_4_25	The function of a plant's roots is to take in	{ "label": [ "A", "B", "C", "D" ], "text": [ "light and water", "light and air", "nutrients and water", "nutrients and soil" ] }	C	ARC-Easy	The function of a plant's roots is to take in Choices: A light and water B light and air C nutrients and water D nutrients and soil	C nutrients and water
Mercury_SC_400380	A student suggests to the school board that they use a renewable energy source. The student suggests they use	{ "label": [ "A", "B", "C", "D" ], "text": [ "coal.", "wind.", "wood.", "natural gas." ] }	B	ARC-Easy	A student suggests to the school board that they use a renewable energy source. The student suggests they use Choices: A coal. B wind. C wood. D natural gas.	B wind.
Mercury_SC_405219	Refrigerators were invented to keep food cold. This is helpful in	{ "label": [ "A", "B", "C", "D" ], "text": [ "growing food.", "cleaning food.", "keeping food dry.", "keeping food fresh." ] }	D	ARC-Easy	Refrigerators were invented to keep food cold. This is helpful in Choices: A growing food. B cleaning food. C keeping food dry. D keeping food fresh.	D keeping food fresh.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "burning the tires", "dumping the tires in a lake", "burying the tires in a landfill", "taking the tires to a recycling center" ] }	D	ARC-Easy	Old, worn-out rubber tires are called scrap tires. Which way of disposing of scrap tires is best for the environment? Choices: A burning the tires B dumping the tires in a lake C burying the tires in a landfill D taking the tires to a recycling center	D taking the tires to a recycling center
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?	{ "label": [ "1", "2", "3", "4" ], "text": [ "ozone", "methane", "water vapor", "carbon dioxide" ] }	4	ARC-Easy	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? Choices: 1 ozone 2 methane 3 water vapor 4 carbon dioxide	4 carbon dioxide
Mercury_SC_402124	About how long does it take Earth to make a complete revolution around the Sun?	{ "label": [ "A", "B", "C", "D" ], "text": [ "1 year", "1 week", "1 day", "1 hour" ] }	A	ARC-Easy	About how long does it take Earth to make a complete revolution around the Sun? Choices: A 1 year B 1 week C 1 day D 1 hour	[A, 1 year]
Mercury_7027108	Which event or principle cannot have its validity directly tested by laboratory experiment?	{ "label": [ "A", "B", "C", "D" ], "text": [ "the Big Bang Theory", "the Conservation of Energy", "the Periodicity of Element Properties", "the Acceleration of Objects due to Gravity" ] }	A	ARC-Easy	Which event or principle cannot have its validity directly tested by laboratory experiment? Choices: A the Big Bang Theory B the Conservation of Energy C the Periodicity of Element Properties D the Acceleration of Objects due to Gravity	A the Big Bang Theory
Mercury_7008033	Which is an example of mechanical weathering?	{ "label": [ "A", "B", "C", "D" ], "text": [ "a rockslide", "a volcano erupting", "an earthquake occurring", "a rock freezing and thawing" ] }	D	ARC-Easy	Which is an example of mechanical weathering? Choices: A a rockslide B a volcano erupting C an earthquake occurring D a rock freezing and thawing	A rockslide is an example of mechanical weathering.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "pie chart", "data table", "bar graph", "scatterplot" ] }	B	ARC-Easy	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? Choices: A pie chart B data table C bar graph D scatte...	B data table
LEAP__7_10346	Which relationship is mutualistic?	{ "label": [ "A", "B", "C", "D" ], "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 ...	B	ARC-Easy	Which relationship is mutualistic? Choices: A an insect that lives and feeds on the body of an alligator B an ant that lives on a plant and defends the plant from other insects C a bird that migrates to follow the movements of the butterflies that it eats D a deer that eats one kind of plant, which allows another kind...	B an ant that lives on a plant and defends the plant from other insects is a mutualistic relationship.
OHAT_2008_8_29	Which explains the relationship between hours of sunlight and seasons?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	B	ARC-Easy	Which explains the relationship between hours of sunlight and seasons? Choices: A the rotation of Earth on its axis B the tilt of Earth's axis relative to the sun C the location of Earth's orbit in the solar system D the motion of the moon as it travels around Earth	B the tilt of Earth's axis relative to the sun
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...	{ "label": [ "A", "B", "C", "D" ], "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" ] }	D	ARC-Easy	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...	D test the supplement on a larger sample of women
Mercury_7015663	What is the name of the process in which igneous, sedimentary, and metamorphic rocks are converted into one another in stages?	{ "label": [ "A", "B", "C", "D" ], "text": [ "rock cycle", "erosion cycle", "magma cycle", "tectonic cycle" ] }	A	ARC-Easy	What is the name of the process in which igneous, sedimentary, and metamorphic rocks are converted into one another in stages? Choices: A rock cycle B erosion cycle C magma cycle D tectonic cycle	A rock cycle
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "atomic mass", "negative electrical charge", "number of neutrons", "full valence electron shells" ] }	D	ARC-Easy	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? Choices: A atomic mass B negative electrical charge C number of neutrons D full valence electron shells	D full valence electron shells
Mercury_407263	Which part of digestion is mainly a chemical change?	{ "label": [ "A", "B", "C", "D" ], "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." ] }	C	ARC-Easy	Which part of digestion is mainly a chemical change? Choices: A Teeth break food into small pieces. B Throat muscles push food toward the stomach. C Stomach acids dissolve food into nutrients. D Intestinal cells transport nutrients into the blood.	C Stomach acids dissolve food into nutrients.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "amplitude", "wavelength", "frequency", "speed" ] }	D	ARC-Easy	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? Ch...	D speed
Mercury_SC_LBS10041	In plants, what is responsible for passing traits from one generation to the next?	{ "label": [ "A", "B", "C", "D" ], "text": [ "chloroplasts", "photosynthesis", "roots", "genes" ] }	D	ARC-Easy	In plants, what is responsible for passing traits from one generation to the next? Choices: A chloroplasts B photosynthesis C roots D genes	D genes
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "nitrogen and argon", "oxygen and sulfur dioxide", "carbon dioxide and water vapor", "hydrochloric acid and hydrogen" ] }	C	ARC-Easy	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? Choices: A nitrogen and argon B oxygen and sulfur dioxide C carbon dioxide and water vapor D hydroc...	C) Carbon dioxide and water vapor
Mercury_7269098	Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed	{ "label": [ "A", "B", "C", "D" ], "text": [ "only coal.", "only natural gas.", "oil and coal.", "oil and natural gas." ] }	D	ARC-Easy	Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed Choices: A only coal. B only natural gas. C oil and coal. D oil and natural gas.	C oil and coal.
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 ___.	{ "label": [ "A", "B", "C", "D" ], "text": [ "run", "mate", "hide", "hibernate" ] }	C	ARC-Easy	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 ___. Choices: A run B mate C hide D hibernate	C hide
Mercury_SC_405081	Some classrooms have computers. The computer is most useful to the students because it helps them	{ "label": [ "A", "B", "C", "D" ], "text": [ "play games.", "watch movies.", "listen to music.", "find information." ] }	D	ARC-Easy	Some classrooms have computers. The computer is most useful to the students because it helps them Choices: A play games. B watch movies. C listen to music. D find information.	D find information.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "rain", "fog", "groundwater", "surface water" ] }	C	ARC-Easy	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? Choices: A rain B fog C groundwater D surface w...	C groundwater
Mercury_7210630	Which of these includes Earth?	{ "label": [ "A", "B", "C", "D" ], "text": [ "the asteroid belt", "the Andromeda Galaxy", "the solar system", "the Eagle Nebula" ] }	C	ARC-Easy	Which of these includes Earth? Choices: A the asteroid belt B the Andromeda Galaxy C the solar system D the Eagle Nebula	C the solar system
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "friction", "gravity", "a convection current", "an electrical circuit" ] }	D	ARC-Easy	Students are attempting to make a doorbell ring using some wire and a battery. What is needed to make the bell ring? Choices: A friction B gravity C a convection current D an electrical circuit	D an electrical circuit
NAEP_2005_8_S13+8	Which is an example of water condensing? 1.	{ "label": [ "A", "B", "C", "D" ], "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" ] }	D	ARC-Easy	Which is an example of water condensing? 1. Choices: A puddle disappearing on a hot summer afternoon B Sweat forming on your forehead after you do a lot of exercise C Ice cubes melting when you put them out in the sun D Dew forming on plants during a cold night	D Dew forming on plants during a cold night is an example of water condensing.
Mercury_7056543	What should be added to soil to increase its water retention?	{ "label": [ "A", "B", "C", "D" ], "text": [ "pebbles", "sand", "rocks", "clay" ] }	D	ARC-Easy	What should be added to soil to increase its water retention? Choices: A pebbles B sand C rocks D clay	To increase water retention in soil, clay should be added. Clay has a high water retention capacity due to its porous structure and ability to absorb moisture. Adding clay to soil can help it retain more water, reducing the need for frequent watering.
Mercury_7008260	Which is a possible consequence of global warming?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	C	ARC-Easy	Which is a possible consequence of global warming? Choices: A an increase in the amount of coral reefs B a decrease in temperature, causing earlier frosts C an increase in the number of heat waves, causing droughts D a decrease in temperature, causing shorter growing seasons	C an increase in the number of heat waves, causing droughts
Mercury_7083458	A cut to the skin is treated with antiseptic first to avoid	{ "label": [ "A", "B", "C", "D" ], "text": [ "an immune response.", "a bacterial infection.", "bruising of tissues.", "an allergic reaction." ] }	B	ARC-Easy	A cut to the skin is treated with antiseptic first to avoid Choices: A an immune response. B a bacterial infection. C bruising of tissues. D an allergic reaction.	B a bacterial infection.
Mercury_7123533	Some astronauts may spend several months in space orbiting Earth. Where do these astronauts most likely stay while in space?	{ "label": [ "A", "B", "C", "D" ], "text": [ "on a space station", "in a space shuttle", "on a space probe", "in a lunar module" ] }	A	ARC-Easy	Some astronauts may spend several months in space orbiting Earth. Where do these astronauts most likely stay while in space? Choices: A on a space station B in a space shuttle C on a space probe D in a lunar module	A on a space station
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Nervous", "Digestive", "Circulatory", "Respiratory" ] }	D	ARC-Easy	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? Choices: A Nervous B Digestive C Circulatory D Respiratory	D Respiratory
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?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	D	ARC-Easy	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? Choices: A to search for life on planets other than Earth B to land on a planet in another solar system C to determine the composition the Sun D to ...	D to send a human to land on the Moon
Mercury_SC_411419	Plants that are different from each another may have similar structures. Which structure do all plants have in common?	{ "label": [ "A", "B", "C", "D" ], "text": [ "flowers", "fruit", "roots", "trunks" ] }	C	ARC-Easy	Plants that are different from each another may have similar structures. Which structure do all plants have in common? Choices: A flowers B fruit C roots D trunks	C roots
Mercury_SC_401817	All of these are examples of observation and measurement except	{ "label": [ "A", "B", "C", "D" ], "text": [ "charting where birds fly.", "attracting birds with birdseed.", "counting the number of birds that fly by.", "illustrating the different birds that fly by." ] }	B	ARC-Easy	All of these are examples of observation and measurement except Choices: A charting where birds fly. B attracting birds with birdseed. C counting the number of birds that fly by. D illustrating the different birds that fly by.	B attracting birds with birdseed is not an example of observation and measurement. Observation involves recording information about the world around us without changing it, while measurement involves assigning numerical values to physical quantities. In B, the person is actively changing the environment (by scattering ...
Mercury_SC_405090	Snow turns to liquid water when it	{ "label": [ "A", "B", "C", "D" ], "text": [ "freezes.", "melts.", "condenses.", "evaporates." ] }	B	ARC-Easy	Snow turns to liquid water when it Choices: A freezes. B melts. C condenses. D evaporates.	B melts.
NYSEDREGENTS_2013_4_13	Which organisms break down and recycle dead plants and animals?	{ "label": [ "A", "B", "C", "D" ], "text": [ "predators", "prey", "decomposers", "producers" ] }	C	ARC-Easy	Which organisms break down and recycle dead plants and animals? Choices: A predators B prey C decomposers D producers	C decomposers
ACTAAP_2007_7_9	What is the downward movement of water through pores and other spaces in soil due to the force of gravity?	{ "label": [ "A", "B", "C", "D" ], "text": [ "percolation", "evaporation", "precipitation", "condensation" ] }	A	ARC-Easy	What is the downward movement of water through pores and other spaces in soil due to the force of gravity? Choices: A percolation B evaporation C precipitation D condensation	A percolation
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "draw a picture", "make some notes", "make a chart or graph", "tell the science teacher" ] }	C	ARC-Easy	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? Choices: A draw a picture B make some notes C make a chart or graph D tell the scien...	C make a chart or graph
Mercury_7090563	Volcanoes are considered constructive because they	{ "label": [ "A", "B", "C", "D" ], "text": [ "deposit lava.", "cause erosion.", "trigger earthquakes.", "release gases." ] }	A	ARC-Easy	Volcanoes are considered constructive because they Choices: A deposit lava. B cause erosion. C trigger earthquakes. D release gases.	A deposit lava.
Mercury_415684	What is the effect of absorption of infrared light by human skin?	{ "label": [ "A", "B", "C", "D" ], "text": [ "sunburn on the skin surface", "disinfection of the skin tissues", "feeling of warmth on the skin", "immediate death of skin cells" ] }	C	ARC-Easy	What is the effect of absorption of infrared light by human skin? Choices: A sunburn on the skin surface B disinfection of the skin tissues C feeling of warmth on the skin D immediate death of skin cells	C feeling of warmth on the skin
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	{ "label": [ "A", "B", "C", "D" ], "text": [ "colder", "deeper", "larger", "smaller" ] }	D	ARC-Easy	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 Choices: A colder B deeper C larger D smaller	D smaller
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "because Earth rotates", "because Earth tilts on its axis", "because gravity pulls Earth toward the Sun", "because the Moon reflects sunlight onto Earth" ] }	B	ARC-Easy	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? Choices: A because Earth rotates B because Earth tilts on its axis C because gravit...	B because Earth tilts on its axis
MCAS_2015_5_11	What form of energy makes a compass needle point north?	{ "label": [ "A", "B", "C", "D" ], "text": [ "electrical", "heat", "light", "magnetic" ] }	D	ARC-Easy	What form of energy makes a compass needle point north? Choices: A electrical B heat C light D magnetic	D magnetic
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Grams", "Meters", "Milliliters", "Centimeters" ] }	C	ARC-Easy	Students collect pond water in their beakers. Which is the best unit of measurement for the volume of water they collect? Choices: A Grams B Meters C Milliliters D Centimeters	The best unit of measurement for the volume of water the students collect is C) Milliliters.
Mercury_SC_LBS11008	A lumber company plants new trees where a forest once stood. This is an example of	{ "label": [ "A", "B", "C", "D" ], "text": [ "conserving resources.", "consuming resources.", "recycling resources.", "replacing resources." ] }	D	ARC-Easy	A lumber company plants new trees where a forest once stood. This is an example of Choices: A conserving resources. B consuming resources. C recycling resources. D replacing resources.	D replacing resources.
NYSEDREGENTS_2015_8_31	Which type of energy is transferred by vibrational waves?	{ "label": [ "1", "2", "3", "4" ], "text": [ "nuclear", "light", "chemical", "sound" ] }	4	ARC-Easy	Which type of energy is transferred by vibrational waves? Choices: 1 nuclear 2 light 3 chemical 4 sound	4 sound
Mercury_SC_400611	Over a long time, oil can form when layers of sediment push down on decomposing	{ "label": [ "A", "B", "C", "D" ], "text": [ "trees.", "animals.", "fungi.", "algae." ] }	D	ARC-Easy	Over a long time, oil can form when layers of sediment push down on decomposing Choices: A trees. B animals. C fungi. D algae.	B animals.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Trees absorb these gases.", "Global temperatures are rising.", "Many variables affect global temperatures.", "Many human activities produce these gases." ] }	C	ARC-Easy	Many scientists are convinced that an increase of certain gases in the atmosphere is affecting global temperatures. What makes this hypothesis difficult to prove? Choices: A Trees absorb these gases. B Global temperatures are rising. C Many variables affect global temperatures. D Many human activities produce these ga...	C Many variables affect global temperatures.
Mercury_7085470	Which of these provides the best evidence that an environmental change has occurred?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	B	ARC-Easy	Which of these provides the best evidence that an environmental change has occurred? Choices: A a freshwater lake in the mountains B marine fossils in a freshwater lake C saltwater clams in the ocean D a sandy beach next to the ocean	B marine fossils in a freshwater lake provide the best evidence that an environmental change has occurred.
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?	{ "label": [ "A", "B", "C", "D" ], "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." ] }	D	ARC-Easy	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? Choices: A Non-native plants are able to mutate rapidly. B Non-native plants cause native animals to relocate. C Non-native plants are able to be used for medicine. D Non-nat...	D Non-native plants compete with native plants for resources.
NYSEDREGENTS_2008_8_16	Which substance do all living things require to survive?	{ "label": [ "1", "2", "3", "4" ], "text": [ "blood", "water", "carbon dioxide", "organic soil" ] }	2	ARC-Easy	Which substance do all living things require to survive? Choices: 1 blood 2 water 3 carbon dioxide 4 organic soil	2 water
Mercury_SC_415350	Which is an inherited characteristic on a horse?	{ "label": [ "A", "B", "C", "D" ], "text": [ "a long mane", "a steel shoe", "a missing tooth", "a bruised leg" ] }	A	ARC-Easy	Which is an inherited characteristic on a horse? Choices: A a long mane B a steel shoe C a missing tooth D a bruised leg	A a long mane
Mercury_SC_LBS10391	Which of the following is a first-level consumer?	{ "label": [ "A", "B", "C", "D" ], "text": [ "wolf", "hawk", "carrot", "rabbit" ] }	D	ARC-Easy	Which of the following is a first-level consumer? Choices: A wolf B hawk C carrot D rabbit	A wolf is a first-level consumer.
TAKS_2009_5_1	Which of the following items is necessary in a laboratory for safety purposes?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Triple-beam balance", "Metric ruler", "Computer monitor", "Fire extinguisher" ] }	D	ARC-Easy	Which of the following items is necessary in a laboratory for safety purposes? Choices: A Triple-beam balance B Metric ruler C Computer monitor D Fire extinguisher	D Fire extinguisher
Mercury_7058503	Which organisms break down dead matter and recycle nutrients back into the ecosystem?	{ "label": [ "A", "B", "C", "D" ], "text": [ "grasses and trees", "rabbits and deer", "lions and alligators", "mushrooms and bacteria" ] }	D	ARC-Easy	Which organisms break down dead matter and recycle nutrients back into the ecosystem? Choices: A grasses and trees B rabbits and deer C lions and alligators D mushrooms and bacteria	D mushrooms and bacteria
Mercury_7009835	When using a microscope, it is best to use a wet mount to	{ "label": [ "A", "B", "C", "D" ], "text": [ "observe live organisms.", "show the interior of sliced objects.", "highlight objects with chemical dyes.", "remove debris that is obscuring the object." ] }	A	ARC-Easy	When using a microscope, it is best to use a wet mount to Choices: A observe live organisms. B show the interior of sliced objects. C highlight objects with chemical dyes. D remove debris that is obscuring the object.	A observe live organisms.
Mercury_7008418	What major events cause islands to form in the Pacific Ocean?	{ "label": [ "A", "B", "C", "D" ], "text": [ "tsunamis", "severe storms", "volcanic eruptions", "erosion" ] }	C	ARC-Easy	What major events cause islands to form in the Pacific Ocean? Choices: A tsunamis B severe storms C volcanic eruptions D erosion	C volcanic eruptions
NYSEDREGENTS_2013_4_3	There is a shadow under a tree. Which form of energy must be present for the shadow to occur?	{ "label": [ "A", "B", "C", "D" ], "text": [ "heat", "light", "sound", "mechanical" ] }	B	ARC-Easy	There is a shadow under a tree. Which form of energy must be present for the shadow to occur? Choices: A heat B light C sound D mechanical	B light
Mercury_SC_408250	Robin compared the properties of some rocks. Which property did she most likely compare with a balance?	{ "label": [ "A", "B", "C", "D" ], "text": [ "density", "mass", "temperature", "volume" ] }	B	ARC-Easy	Robin compared the properties of some rocks. Which property did she most likely compare with a balance? Choices: A density B mass C temperature D volume	A density
CSZ20334	Gravity is responsible for the ___.	{ "label": [ "A", "B", "C", "D" ], "text": [ "orbits of the planets around the Sun", "rotation of a planet on its axis", "tilt of Earth's axis", "phases of the Moon" ] }	A	ARC-Easy	Gravity is responsible for the ___. Choices: A orbits of the planets around the Sun B rotation of a planet on its axis C tilt of Earth's axis D phases of the Moon	A orbits of the planets around the Sun
AKDE&ED_2008_8_39	A scientific explanation should include a demonstration of the relationships between	{ "label": [ "A", "B", "C", "D" ], "text": [ "measurement, form, and function.", "changes, interactions, and formulas.", "logic, evidence, and current knowledge.", "hypothesis, problem solving, and lab equipment." ] }	C	ARC-Easy	A scientific explanation should include a demonstration of the relationships between Choices: A measurement, form, and function. B changes, interactions, and formulas. C logic, evidence, and current knowledge. D hypothesis, problem solving, and lab equipment.	A scientific explanation should include a demonstration of the relationships between measurement, form, and function. This means that the explanation should provide a clear understanding of how the measurement is made, what its form is, and what function it serves in the scientific process. For example, the measurement...
Mercury_7263008	Which two theories of Moon formation propose that much or all of the material comprising the Moon came from Earth?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	C	ARC-Easy	Which two theories of Moon formation propose that much or all of the material comprising the Moon came from Earth? Choices: A The Fission Theory and The Coaccretion Theory B The Coaccretion Theory and The Capture Theory C The Fission Theory and the Giant Impact Theory D The Capture Theory and the Giant Impact Theory	B The Coaccretion Theory and The Capture Theory
ACTAAP_2008_5_13	Which is a characteristic of sedimentary rock?	{ "label": [ "A", "B", "C", "D" ], "text": [ "forms in layers", "looks very shiny", "contains crystals", "forms from magma" ] }	A	ARC-Easy	Which is a characteristic of sedimentary rock? Choices: A forms in layers B looks very shiny C contains crystals D forms from magma	A: forms in layers
Mercury_7241063	Which factor determines if two individuals are members of the same species?	{ "label": [ "A", "B", "C", "D" ], "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." ] }	C	ARC-Easy	Which factor determines if two individuals are members of the same species? Choices: A They live in the same habitat and niche. B They forage and eat the same type of food. C They mate and produce fertile offspring. D They are similar in appearance and color.	C They mate and produce fertile offspring.
Mercury_7128240	Mangrove trees are affected by several factors. Which is an abiotic factor contributing to the energy cycle of a mangrove ecosystem?	{ "label": [ "A", "B", "C", "D" ], "text": [ "bacteria", "climate", "fungi", "rocks" ] }	B	ARC-Easy	Mangrove trees are affected by several factors. Which is an abiotic factor contributing to the energy cycle of a mangrove ecosystem? Choices: A bacteria B climate C fungi D rocks	B climate
Mercury_406546	A plant that has traits identical to the parent plant provides evidence that the plant	{ "label": [ "A", "B", "C", "D" ], "text": [ "resulted from sexual reproduction.", "resulted from asexual reproduction.", "will develop many seeds.", "will have large leaves." ] }	B	ARC-Easy	A plant that has traits identical to the parent plant provides evidence that the plant Choices: A resulted from sexual reproduction. B resulted from asexual reproduction. C will develop many seeds. D will have large leaves.	A resulted from sexual reproduction.
Mercury_SC_415415	What happens to climate and weather over a summer?	{ "label": [ "A", "B", "C", "D" ], "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." ] }	A	ARC-Easy	What happens to climate and weather over a summer? Choices: A Weather varies more than climate. B Climate varies more than weather. C Climate varies, but weather stays the same. D Weather and climate vary to the same degree.	B Climate varies more than weather.
Mercury_7230125	The hypothesis of an expanding universe required which type of validation before being accepted as a significant part of scientific theory?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	B	ARC-Easy	The hypothesis of an expanding universe required which type of validation before being accepted as a significant part of scientific theory? Choices: A a controlled single-variable laboratory test B support through evidence from numerous observations C proposal of alternative explanations with predictive value D a full...	B support through evidence from numerous observations
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?	{ "label": [ "A", "B", "C", "D" ], "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 sp...	D	ARC-Easy	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? Choices: A Individual birds have different colored feathers. B Island finches have a large number of offspring. C Individual birds of an island finch ...	C Individual birds of an island finch species have many differences.
NAEP_2000_8_S21+8	Which of the following is designed to convert energy into mechanical work?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Electric fan", "Kerosene heater", "Flashlight", "Baking oven" ] }	A	ARC-Easy	Which of the following is designed to convert energy into mechanical work? Choices: A Electric fan B Kerosene heater C Flashlight D Baking oven	The device designed to convert energy into mechanical work is the electric fan.
NYSEDREGENTS_2008_4_8	A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is	{ "label": [ "A", "B", "C", "D" ], "text": [ "4 centimeters", "8 centimeters", "12 centimeters", "16 centimeters" ] }	A	ARC-Easy	A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is Choices: A 4 centimeters B 8 centimeters C 12 centimeters D 16 centimeters	B 8 centimeters
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?	{ "label": [ "A", "B", "C", "D" ], "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 f...	B	ARC-Easy	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? Choices: A how m...	B how much newly hatched fish in this species gain in the first year without the nutrient in their diet is the additional information needed to determine whether the nutrient is affecting the growth of the fish.
MCAS_2000_4_32	The parts of plants that make seeds are the	{ "label": [ "A", "B", "C", "D" ], "text": [ "roots.", "stems.", "flowers.", "leaves." ] }	C	ARC-Easy	The parts of plants that make seeds are the Choices: A roots. B stems. C flowers. D leaves.	The parts of plants that make seeds are the ovary (which is often referred to as a fruit or berry) and the surrounding ovary wall. In some cases, the seed may also be contained within the ovule (a developed egg), which is enclosed within the ovary. This is why flowers and
Mercury_7024360	Which human activity would have the greatest positive impact on the water quality of a stream?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	C	ARC-Easy	Which human activity would have the greatest positive impact on the water quality of a stream? Choices: A releasing warm water into the stream B driving cars through the stream C reducing use of fertilizers near the stream D increasing use of chemicals near the stream	C reducing use of fertilizers near the stream
MCAS_2004_9_6-v1	Which of the following is the best example of a wave?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	C	ARC-Easy	Which of the following is the best example of a wave? Choices: A a stone rolling downhill B a vehicle traveling on a bumpy road C a string vibrating on a guitar D a grasshopper jumping up and down occasionally	C a string vibrating on a guitar is the best example of a wave.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "supports body posture", "controls body functions", "supplies the blood with oxygen", "carries blood to and from the heart" ] }	B	ARC-Easy	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? Choices: A supports body posture B controls body functions C supplies the blood with oxygen D carries blood to and from the heart	B) controls body functions
Mercury_SC_LBS10611	Which of these best describes a fossil?	{ "label": [ "A", "B", "C", "D" ], "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" ] }	C	ARC-Easy	Which of these best describes a fossil? Choices: A a geometric pattern formed by a mineral B a solid element or compound from Earth's crust C remains of an extinct organism found in a rock layer D bits of weathered rocks and pieces of dead organisms	C) remains of an extinct organism found in a rock layer
MCAS_2006_8_21	Which of the following is the best example of a part of the propulsion system of a tractor?	{ "label": [ "A", "B", "C", "D" ], "text": [ "engine", "front headlight", "hood", "steering wheel" ] }	A	ARC-Easy	Which of the following is the best example of a part of the propulsion system of a tractor? Choices: A engine B front headlight C hood D steering wheel	A engine is the best example of a part of the propulsion system of a tractor.
Mercury_SC_402125	Two high tides and two low tides occur on Earth every	{ "label": [ "A", "B", "C", "D" ], "text": [ "day.", "hour.", "week.", "month." ] }	A	ARC-Easy	Two high tides and two low tides occur on Earth every Choices: A day. B hour. C week. D month.	A day.
Mercury_7032148	Which scientist is credited for the development of the polio vaccine?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Jonas Salk", "Neil Armstrong", "Albert Einstein", "Jacques Cousteau" ] }	A	ARC-Easy	Which scientist is credited for the development of the polio vaccine? Choices: A Jonas Salk B Neil Armstrong C Albert Einstein D Jacques Cousteau	A Jonas Salk
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 Ef...	{ "label": [ "A", "B", "C", "D" ], "text": [ "the gravity of Earth", "the rotation of Earth", "the axial tilt of Earth", "the revolution of Earth" ] }	B	ARC-Easy	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 Ef...	B the rotation of Earth
Mercury_SC_416166	What helps skin feel heat and pressure?	{ "label": [ "A", "B", "C", "D" ], "text": [ "muscle cells", "blood cells", "nerve cells", "bone cells" ] }	C	ARC-Easy	What helps skin feel heat and pressure? Choices: A muscle cells B blood cells C nerve cells D bone cells	C nerve cells
Mercury_7141890	Based on the organization of living things, tissues	{ "label": [ "A", "B", "C", "D" ], "text": [ "form systems.", "are made of cells.", "are made of organs.", "do the work of cells." ] }	B	ARC-Easy	Based on the organization of living things, tissues Choices: A form systems. B are made of cells. C are made of organs. D do the work of cells.	B: Tissues are made of cells.
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	{ "label": [ "A", "B", "C", "D" ], "text": [ "are solid at room temperature.", "are good electrical conductors.", "generally have very high densities.", "tend to form ions by gaining electrons." ] }	D	ARC-Easy	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 Choices: A are solid at room temperature. B are good electrical conductors. C generally have very high densities. D tend to form ions by gaining electrons.	D tend to form ions by gaining electrons.
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?	{ "label": [ "A", "B", "C", "D" ], "text": [ "Omnivore", "Carnivore", "Herbivore", "Producer" ] }	A	ARC-Easy	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? Choices: A Omnivore B Carnivore C Herbivore D Producer	A Omnivore
MDSA_2013_8_2	Each layer of Earth has different properties. Which statement best describes the mantle of Earth?	{ "label": [ "A", "B", "C", "D" ], "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." ] }	C	ARC-Easy	Each layer of Earth has different properties. Which statement best describes the mantle of Earth? Choices: A The mantle lies below the core. B The mantle is composed of hot gases. C The mantle lies between the core and the crust. D The mantle temperature is lower than the crust temperature.	C The mantle lies between the core and the crust.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "forest", "desert", "glacier", "grasslands" ] }

A

ARC-Easy

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? Choices: A forest B desert C glacier D grasslands

B desert

Mercury_7001628

A change in the pattern of warm ocean currents can cause a climate change by

{ "label": [ "A", "B", "C", "D" ], "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." ] }

C

ARC-Easy

A change in the pattern of warm ocean currents can cause a climate change by Choices: A releasing thermal energy in irregular spurts. B absorbing thermal energy from the Sun's rays. C moving thermal energy from one place to another. D increasing the ocean's capacity for absorbing thermal energy.

C moving thermal energy from one place to another.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "flow chart", "pie chart", "data table", "bar graph" ] }

C

ARC-Easy

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? Choices: A flow chart B pie chart C data table D bar graph

C data table

NYSEDREGENTS_2010_4_26

The energy that is stored in food originally comes from

{ "label": [ "A", "B", "C", "D" ], "text": [ "air", "soil", "sunlight", "water" ] }

C

ARC-Easy

The energy that is stored in food originally comes from Choices: A air B soil C sunlight D water

C sunlight

Mercury_7003990

Tides occur in the oceans at regular times every day because of

{ "label": [ "A", "B", "C", "D" ], "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." ] }

D

ARC-Easy

Tides occur in the oceans at regular times every day because of Choices: A upper atmospheric disturbances. B the tilt of Earth's rotational axis. C density differences caused by temperature changes. D the gravitational pull of the Sun and the Moon.

D the gravitational pull of the Sun and the Moon.

Mercury_7033530

What is the primary source of stored thermal energy in oceans?

{ "label": [ "A", "B", "C", "D" ], "text": [ "sunlight", "plankton", "volcanoes", "hurricanes" ] }

A

ARC-Easy

What is the primary source of stored thermal energy in oceans? Choices: A sunlight B plankton C volcanoes D hurricanes

A) sunlight

Mercury_416411

Which of the following contains most of the water on Earth?

{ "label": [ "A", "B", "C", "D" ], "text": [ "the oceans", "watersheds", "the atmosphere", "ice and aquifers" ] }

A

ARC-Easy

Which of the following contains most of the water on Earth? Choices: A the oceans B watersheds C the atmosphere D ice and aquifers

A the oceans

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "the tilt of Earth", "the rotation of Earth", "the distance between Earth and the Sun", "the amount of rays produced by the Sun" ] }

A

ARC-Easy

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? Choices: A the tilt of Earth B the rotation of Earth C the distance between Earth and the Sun D the amount of r...

A the tilt of Earth

MCAS_2000_4_23

Cactus plants grow best in environments (habitats) that are

{ "label": [ "A", "B", "C", "D" ], "text": [ "hot and dry.", "hot and wet.", "cold and dry.", "cold and wet." ] }

A

ARC-Easy

Cactus plants grow best in environments (habitats) that are Choices: A hot and dry. B hot and wet. C cold and dry. D cold and wet.

A hot and dry.

Mercury_7109428

The nucleus contains DNA. Which statement best describes how DNA controls the working of the cell?

{ "label": [ "A", "B", "C", "D" ], "text": [ "It codes for proteins.", "It inhibits division of cells.", "It helps in energy transformation.", "It regulates traffic in and out of the cell." ] }

A

ARC-Easy

The nucleus contains DNA. Which statement best describes how DNA controls the working of the cell? Choices: A It codes for proteins. B It inhibits division of cells. C It helps in energy transformation. D It regulates traffic in and out of the cell.

A It codes for proteins.

NYSEDREGENTS_2012_8_31

Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator?

{ "label": [ "1", "2", "3", "4" ], "text": [ "warm and dry", "warm and humid", "cool and dry", "cool and humid" ] }

2

ARC-Easy

Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator? Choices: 1 warm and dry 2 warm and humid 3 cool and dry 4 cool and humid

2 warm and humid

VASoL_2007_5_38

A student sees many plants around a pond. The student can determine which plants are nonvascular by

{ "label": [ "A", "B", "C", "D" ], "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" ] }

A

ARC-Easy

A student sees many plants around a pond. The student can determine which plants are nonvascular by Choices: A observing if they lack true stems, roots, or leaves B examining the plants for spores C counting the number of leaves on each stalk D noticing if the plants are near rocks

A observing if they lack true stems, roots, or leaves

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "vertically", "diagonally", "horizontally", "circularly" ] }

A

ARC-Easy

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? Choices: A vertically B diagonally C horizontally D circularly

A vertically. Rain falls straight down from the clouds.

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 comb...

{ "label": [ "A", "B", "C", "D" ], "text": [ "propulsion", "suspension", "control", "structure" ] }

C

ARC-Easy

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 comb...

C control

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?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

A

ARC-Easy

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? Choices: A the mass of the water B the pressure in the container C the ...

D the position of the atoms in the container

NYSEDREGENTS_2010_4_25

The function of a plant's roots is to take in

{ "label": [ "A", "B", "C", "D" ], "text": [ "light and water", "light and air", "nutrients and water", "nutrients and soil" ] }

C

ARC-Easy

The function of a plant's roots is to take in Choices: A light and water B light and air C nutrients and water D nutrients and soil

C nutrients and water

Mercury_SC_400380

A student suggests to the school board that they use a renewable energy source. The student suggests they use

{ "label": [ "A", "B", "C", "D" ], "text": [ "coal.", "wind.", "wood.", "natural gas." ] }

B

ARC-Easy

A student suggests to the school board that they use a renewable energy source. The student suggests they use Choices: A coal. B wind. C wood. D natural gas.

B wind.

Mercury_SC_405219

Refrigerators were invented to keep food cold. This is helpful in

{ "label": [ "A", "B", "C", "D" ], "text": [ "growing food.", "cleaning food.", "keeping food dry.", "keeping food fresh." ] }

D

ARC-Easy

Refrigerators were invented to keep food cold. This is helpful in Choices: A growing food. B cleaning food. C keeping food dry. D keeping food fresh.

D keeping food fresh.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "burning the tires", "dumping the tires in a lake", "burying the tires in a landfill", "taking the tires to a recycling center" ] }

D

ARC-Easy

Old, worn-out rubber tires are called scrap tires. Which way of disposing of scrap tires is best for the environment? Choices: A burning the tires B dumping the tires in a lake C burying the tires in a landfill D taking the tires to a recycling center

D taking the tires to a recycling center

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?

{ "label": [ "1", "2", "3", "4" ], "text": [ "ozone", "methane", "water vapor", "carbon dioxide" ] }

4

ARC-Easy

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? Choices: 1 ozone 2 methane 3 water vapor 4 carbon dioxide

4 carbon dioxide

Mercury_SC_402124

About how long does it take Earth to make a complete revolution around the Sun?

{ "label": [ "A", "B", "C", "D" ], "text": [ "1 year", "1 week", "1 day", "1 hour" ] }

A

ARC-Easy

About how long does it take Earth to make a complete revolution around the Sun? Choices: A 1 year B 1 week C 1 day D 1 hour

[A, 1 year]

Mercury_7027108

Which event or principle cannot have its validity directly tested by laboratory experiment?

{ "label": [ "A", "B", "C", "D" ], "text": [ "the Big Bang Theory", "the Conservation of Energy", "the Periodicity of Element Properties", "the Acceleration of Objects due to Gravity" ] }

A

ARC-Easy

Which event or principle cannot have its validity directly tested by laboratory experiment? Choices: A the Big Bang Theory B the Conservation of Energy C the Periodicity of Element Properties D the Acceleration of Objects due to Gravity

A the Big Bang Theory

Mercury_7008033

Which is an example of mechanical weathering?

{ "label": [ "A", "B", "C", "D" ], "text": [ "a rockslide", "a volcano erupting", "an earthquake occurring", "a rock freezing and thawing" ] }

D

ARC-Easy

Which is an example of mechanical weathering? Choices: A a rockslide B a volcano erupting C an earthquake occurring D a rock freezing and thawing

A rockslide is an example of mechanical weathering.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "pie chart", "data table", "bar graph", "scatterplot" ] }

B

ARC-Easy

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? Choices: A pie chart B data table C bar graph D scatte...

B data table

LEAP__7_10346

Which relationship is mutualistic?

{ "label": [ "A", "B", "C", "D" ], "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 ...

B

ARC-Easy

Which relationship is mutualistic? Choices: A an insect that lives and feeds on the body of an alligator B an ant that lives on a plant and defends the plant from other insects C a bird that migrates to follow the movements of the butterflies that it eats D a deer that eats one kind of plant, which allows another kind...

B an ant that lives on a plant and defends the plant from other insects is a mutualistic relationship.

OHAT_2008_8_29

Which explains the relationship between hours of sunlight and seasons?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

B

ARC-Easy

Which explains the relationship between hours of sunlight and seasons? Choices: A the rotation of Earth on its axis B the tilt of Earth's axis relative to the sun C the location of Earth's orbit in the solar system D the motion of the moon as it travels around Earth

B the tilt of Earth's axis relative to the sun

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...

{ "label": [ "A", "B", "C", "D" ], "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" ] }

D

ARC-Easy

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...

D test the supplement on a larger sample of women

Mercury_7015663

What is the name of the process in which igneous, sedimentary, and metamorphic rocks are converted into one another in stages?

{ "label": [ "A", "B", "C", "D" ], "text": [ "rock cycle", "erosion cycle", "magma cycle", "tectonic cycle" ] }

A

ARC-Easy

What is the name of the process in which igneous, sedimentary, and metamorphic rocks are converted into one another in stages? Choices: A rock cycle B erosion cycle C magma cycle D tectonic cycle

A rock cycle

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "atomic mass", "negative electrical charge", "number of neutrons", "full valence electron shells" ] }

D

ARC-Easy

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? Choices: A atomic mass B negative electrical charge C number of neutrons D full valence electron shells

D full valence electron shells

Mercury_407263

Which part of digestion is mainly a chemical change?

{ "label": [ "A", "B", "C", "D" ], "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." ] }

C

ARC-Easy

Which part of digestion is mainly a chemical change? Choices: A Teeth break food into small pieces. B Throat muscles push food toward the stomach. C Stomach acids dissolve food into nutrients. D Intestinal cells transport nutrients into the blood.

C Stomach acids dissolve food into nutrients.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "amplitude", "wavelength", "frequency", "speed" ] }

D

ARC-Easy

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? Ch...

D speed

Mercury_SC_LBS10041

In plants, what is responsible for passing traits from one generation to the next?

{ "label": [ "A", "B", "C", "D" ], "text": [ "chloroplasts", "photosynthesis", "roots", "genes" ] }

D

ARC-Easy

In plants, what is responsible for passing traits from one generation to the next? Choices: A chloroplasts B photosynthesis C roots D genes

D genes

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "nitrogen and argon", "oxygen and sulfur dioxide", "carbon dioxide and water vapor", "hydrochloric acid and hydrogen" ] }

C

ARC-Easy

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? Choices: A nitrogen and argon B oxygen and sulfur dioxide C carbon dioxide and water vapor D hydroc...

C) Carbon dioxide and water vapor

Mercury_7269098

Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed

{ "label": [ "A", "B", "C", "D" ], "text": [ "only coal.", "only natural gas.", "oil and coal.", "oil and natural gas." ] }

D

ARC-Easy

Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed Choices: A only coal. B only natural gas. C oil and coal. D oil and natural gas.

C oil and coal.

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 ___.

{ "label": [ "A", "B", "C", "D" ], "text": [ "run", "mate", "hide", "hibernate" ] }

C

ARC-Easy

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 ___. Choices: A run B mate C hide D hibernate

C hide

Mercury_SC_405081

Some classrooms have computers. The computer is most useful to the students because it helps them

{ "label": [ "A", "B", "C", "D" ], "text": [ "play games.", "watch movies.", "listen to music.", "find information." ] }

D

ARC-Easy

Some classrooms have computers. The computer is most useful to the students because it helps them Choices: A play games. B watch movies. C listen to music. D find information.

D find information.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "rain", "fog", "groundwater", "surface water" ] }

C

ARC-Easy

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? Choices: A rain B fog C groundwater D surface w...

C groundwater

Mercury_7210630

Which of these includes Earth?

{ "label": [ "A", "B", "C", "D" ], "text": [ "the asteroid belt", "the Andromeda Galaxy", "the solar system", "the Eagle Nebula" ] }

C

ARC-Easy

Which of these includes Earth? Choices: A the asteroid belt B the Andromeda Galaxy C the solar system D the Eagle Nebula

C the solar system

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "friction", "gravity", "a convection current", "an electrical circuit" ] }

D

ARC-Easy

Students are attempting to make a doorbell ring using some wire and a battery. What is needed to make the bell ring? Choices: A friction B gravity C a convection current D an electrical circuit

D an electrical circuit

NAEP_2005_8_S13+8

Which is an example of water condensing? 1.

{ "label": [ "A", "B", "C", "D" ], "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" ] }

D

ARC-Easy

Which is an example of water condensing? 1. Choices: A puddle disappearing on a hot summer afternoon B Sweat forming on your forehead after you do a lot of exercise C Ice cubes melting when you put them out in the sun D Dew forming on plants during a cold night

D Dew forming on plants during a cold night is an example of water condensing.

Mercury_7056543

What should be added to soil to increase its water retention?

{ "label": [ "A", "B", "C", "D" ], "text": [ "pebbles", "sand", "rocks", "clay" ] }

D

ARC-Easy

What should be added to soil to increase its water retention? Choices: A pebbles B sand C rocks D clay

To increase water retention in soil, clay should be added. Clay has a high water retention capacity due to its porous structure and ability to absorb moisture. Adding clay to soil can help it retain more water, reducing the need for frequent watering.

Mercury_7008260

Which is a possible consequence of global warming?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

C

ARC-Easy

Which is a possible consequence of global warming? Choices: A an increase in the amount of coral reefs B a decrease in temperature, causing earlier frosts C an increase in the number of heat waves, causing droughts D a decrease in temperature, causing shorter growing seasons

C an increase in the number of heat waves, causing droughts

Mercury_7083458

A cut to the skin is treated with antiseptic first to avoid

{ "label": [ "A", "B", "C", "D" ], "text": [ "an immune response.", "a bacterial infection.", "bruising of tissues.", "an allergic reaction." ] }

B

ARC-Easy

A cut to the skin is treated with antiseptic first to avoid Choices: A an immune response. B a bacterial infection. C bruising of tissues. D an allergic reaction.

B a bacterial infection.

Mercury_7123533

Some astronauts may spend several months in space orbiting Earth. Where do these astronauts most likely stay while in space?

{ "label": [ "A", "B", "C", "D" ], "text": [ "on a space station", "in a space shuttle", "on a space probe", "in a lunar module" ] }

A

ARC-Easy

Some astronauts may spend several months in space orbiting Earth. Where do these astronauts most likely stay while in space? Choices: A on a space station B in a space shuttle C on a space probe D in a lunar module

A on a space station

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Nervous", "Digestive", "Circulatory", "Respiratory" ] }

D

ARC-Easy

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? Choices: A Nervous B Digestive C Circulatory D Respiratory

D Respiratory

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?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

D

ARC-Easy

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? Choices: A to search for life on planets other than Earth B to land on a planet in another solar system C to determine the composition the Sun D to ...

D to send a human to land on the Moon

Mercury_SC_411419

Plants that are different from each another may have similar structures. Which structure do all plants have in common?

{ "label": [ "A", "B", "C", "D" ], "text": [ "flowers", "fruit", "roots", "trunks" ] }

C

ARC-Easy

Plants that are different from each another may have similar structures. Which structure do all plants have in common? Choices: A flowers B fruit C roots D trunks

C roots

Mercury_SC_401817

All of these are examples of observation and measurement except

{ "label": [ "A", "B", "C", "D" ], "text": [ "charting where birds fly.", "attracting birds with birdseed.", "counting the number of birds that fly by.", "illustrating the different birds that fly by." ] }

B

ARC-Easy

All of these are examples of observation and measurement except Choices: A charting where birds fly. B attracting birds with birdseed. C counting the number of birds that fly by. D illustrating the different birds that fly by.

B attracting birds with birdseed is not an example of observation and measurement. Observation involves recording information about the world around us without changing it, while measurement involves assigning numerical values to physical quantities. In B, the person is actively changing the environment (by scattering ...

Mercury_SC_405090

Snow turns to liquid water when it

{ "label": [ "A", "B", "C", "D" ], "text": [ "freezes.", "melts.", "condenses.", "evaporates." ] }

B

ARC-Easy

Snow turns to liquid water when it Choices: A freezes. B melts. C condenses. D evaporates.

B melts.

NYSEDREGENTS_2013_4_13

Which organisms break down and recycle dead plants and animals?

{ "label": [ "A", "B", "C", "D" ], "text": [ "predators", "prey", "decomposers", "producers" ] }

C

ARC-Easy

Which organisms break down and recycle dead plants and animals? Choices: A predators B prey C decomposers D producers

C decomposers

ACTAAP_2007_7_9

What is the downward movement of water through pores and other spaces in soil due to the force of gravity?

{ "label": [ "A", "B", "C", "D" ], "text": [ "percolation", "evaporation", "precipitation", "condensation" ] }

A

ARC-Easy

What is the downward movement of water through pores and other spaces in soil due to the force of gravity? Choices: A percolation B evaporation C precipitation D condensation

A percolation

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "draw a picture", "make some notes", "make a chart or graph", "tell the science teacher" ] }

C

ARC-Easy

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? Choices: A draw a picture B make some notes C make a chart or graph D tell the scien...

C make a chart or graph

Mercury_7090563

Volcanoes are considered constructive because they

{ "label": [ "A", "B", "C", "D" ], "text": [ "deposit lava.", "cause erosion.", "trigger earthquakes.", "release gases." ] }

A

ARC-Easy

Volcanoes are considered constructive because they Choices: A deposit lava. B cause erosion. C trigger earthquakes. D release gases.

A deposit lava.

Mercury_415684

What is the effect of absorption of infrared light by human skin?

{ "label": [ "A", "B", "C", "D" ], "text": [ "sunburn on the skin surface", "disinfection of the skin tissues", "feeling of warmth on the skin", "immediate death of skin cells" ] }

C

ARC-Easy

What is the effect of absorption of infrared light by human skin? Choices: A sunburn on the skin surface B disinfection of the skin tissues C feeling of warmth on the skin D immediate death of skin cells

C feeling of warmth on the skin

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

{ "label": [ "A", "B", "C", "D" ], "text": [ "colder", "deeper", "larger", "smaller" ] }

D

ARC-Easy

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 Choices: A colder B deeper C larger D smaller

D smaller

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "because Earth rotates", "because Earth tilts on its axis", "because gravity pulls Earth toward the Sun", "because the Moon reflects sunlight onto Earth" ] }

B

ARC-Easy

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? Choices: A because Earth rotates B because Earth tilts on its axis C because gravit...

B because Earth tilts on its axis

MCAS_2015_5_11

What form of energy makes a compass needle point north?

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

D

ARC-Easy

What form of energy makes a compass needle point north? Choices: A electrical B heat C light D magnetic

D magnetic

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Grams", "Meters", "Milliliters", "Centimeters" ] }

C

ARC-Easy

Students collect pond water in their beakers. Which is the best unit of measurement for the volume of water they collect? Choices: A Grams B Meters C Milliliters D Centimeters

The best unit of measurement for the volume of water the students collect is C) Milliliters.

Mercury_SC_LBS11008

A lumber company plants new trees where a forest once stood. This is an example of

{ "label": [ "A", "B", "C", "D" ], "text": [ "conserving resources.", "consuming resources.", "recycling resources.", "replacing resources." ] }

D

ARC-Easy

A lumber company plants new trees where a forest once stood. This is an example of Choices: A conserving resources. B consuming resources. C recycling resources. D replacing resources.

D replacing resources.

NYSEDREGENTS_2015_8_31

Which type of energy is transferred by vibrational waves?

{ "label": [ "1", "2", "3", "4" ], "text": [ "nuclear", "light", "chemical", "sound" ] }

4

ARC-Easy

Which type of energy is transferred by vibrational waves? Choices: 1 nuclear 2 light 3 chemical 4 sound

4 sound

Mercury_SC_400611

Over a long time, oil can form when layers of sediment push down on decomposing

{ "label": [ "A", "B", "C", "D" ], "text": [ "trees.", "animals.", "fungi.", "algae." ] }

D

ARC-Easy

Over a long time, oil can form when layers of sediment push down on decomposing Choices: A trees. B animals. C fungi. D algae.

B animals.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Trees absorb these gases.", "Global temperatures are rising.", "Many variables affect global temperatures.", "Many human activities produce these gases." ] }

C

ARC-Easy

Many scientists are convinced that an increase of certain gases in the atmosphere is affecting global temperatures. What makes this hypothesis difficult to prove? Choices: A Trees absorb these gases. B Global temperatures are rising. C Many variables affect global temperatures. D Many human activities produce these ga...

C Many variables affect global temperatures.

Mercury_7085470

Which of these provides the best evidence that an environmental change has occurred?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

B

ARC-Easy

Which of these provides the best evidence that an environmental change has occurred? Choices: A a freshwater lake in the mountains B marine fossils in a freshwater lake C saltwater clams in the ocean D a sandy beach next to the ocean

B marine fossils in a freshwater lake provide the best evidence that an environmental change has occurred.

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?

{ "label": [ "A", "B", "C", "D" ], "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." ] }

D

ARC-Easy

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? Choices: A Non-native plants are able to mutate rapidly. B Non-native plants cause native animals to relocate. C Non-native plants are able to be used for medicine. D Non-nat...

D Non-native plants compete with native plants for resources.

NYSEDREGENTS_2008_8_16

Which substance do all living things require to survive?

{ "label": [ "1", "2", "3", "4" ], "text": [ "blood", "water", "carbon dioxide", "organic soil" ] }

2

ARC-Easy

Which substance do all living things require to survive? Choices: 1 blood 2 water 3 carbon dioxide 4 organic soil

2 water

Mercury_SC_415350

Which is an inherited characteristic on a horse?

{ "label": [ "A", "B", "C", "D" ], "text": [ "a long mane", "a steel shoe", "a missing tooth", "a bruised leg" ] }

A

ARC-Easy

Which is an inherited characteristic on a horse? Choices: A a long mane B a steel shoe C a missing tooth D a bruised leg

A a long mane

Mercury_SC_LBS10391

Which of the following is a first-level consumer?

{ "label": [ "A", "B", "C", "D" ], "text": [ "wolf", "hawk", "carrot", "rabbit" ] }

D

ARC-Easy

Which of the following is a first-level consumer? Choices: A wolf B hawk C carrot D rabbit

A wolf is a first-level consumer.

TAKS_2009_5_1

Which of the following items is necessary in a laboratory for safety purposes?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Triple-beam balance", "Metric ruler", "Computer monitor", "Fire extinguisher" ] }

D

ARC-Easy

Which of the following items is necessary in a laboratory for safety purposes? Choices: A Triple-beam balance B Metric ruler C Computer monitor D Fire extinguisher

D Fire extinguisher

Mercury_7058503

Which organisms break down dead matter and recycle nutrients back into the ecosystem?

{ "label": [ "A", "B", "C", "D" ], "text": [ "grasses and trees", "rabbits and deer", "lions and alligators", "mushrooms and bacteria" ] }

D

ARC-Easy

Which organisms break down dead matter and recycle nutrients back into the ecosystem? Choices: A grasses and trees B rabbits and deer C lions and alligators D mushrooms and bacteria

D mushrooms and bacteria

Mercury_7009835

When using a microscope, it is best to use a wet mount to

{ "label": [ "A", "B", "C", "D" ], "text": [ "observe live organisms.", "show the interior of sliced objects.", "highlight objects with chemical dyes.", "remove debris that is obscuring the object." ] }

A

ARC-Easy

When using a microscope, it is best to use a wet mount to Choices: A observe live organisms. B show the interior of sliced objects. C highlight objects with chemical dyes. D remove debris that is obscuring the object.

A observe live organisms.

Mercury_7008418

What major events cause islands to form in the Pacific Ocean?

{ "label": [ "A", "B", "C", "D" ], "text": [ "tsunamis", "severe storms", "volcanic eruptions", "erosion" ] }

C

ARC-Easy

What major events cause islands to form in the Pacific Ocean? Choices: A tsunamis B severe storms C volcanic eruptions D erosion

C volcanic eruptions

NYSEDREGENTS_2013_4_3

There is a shadow under a tree. Which form of energy must be present for the shadow to occur?

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

B

ARC-Easy

There is a shadow under a tree. Which form of energy must be present for the shadow to occur? Choices: A heat B light C sound D mechanical

B light

Mercury_SC_408250

Robin compared the properties of some rocks. Which property did she most likely compare with a balance?

{ "label": [ "A", "B", "C", "D" ], "text": [ "density", "mass", "temperature", "volume" ] }

B

ARC-Easy

Robin compared the properties of some rocks. Which property did she most likely compare with a balance? Choices: A density B mass C temperature D volume

A density

CSZ20334

Gravity is responsible for the ___.

{ "label": [ "A", "B", "C", "D" ], "text": [ "orbits of the planets around the Sun", "rotation of a planet on its axis", "tilt of Earth's axis", "phases of the Moon" ] }

A

ARC-Easy

Gravity is responsible for the ___. Choices: A orbits of the planets around the Sun B rotation of a planet on its axis C tilt of Earth's axis D phases of the Moon

A orbits of the planets around the Sun

AKDE&ED_2008_8_39

A scientific explanation should include a demonstration of the relationships between

{ "label": [ "A", "B", "C", "D" ], "text": [ "measurement, form, and function.", "changes, interactions, and formulas.", "logic, evidence, and current knowledge.", "hypothesis, problem solving, and lab equipment." ] }

C

ARC-Easy

A scientific explanation should include a demonstration of the relationships between Choices: A measurement, form, and function. B changes, interactions, and formulas. C logic, evidence, and current knowledge. D hypothesis, problem solving, and lab equipment.

A scientific explanation should include a demonstration of the relationships between measurement, form, and function. This means that the explanation should provide a clear understanding of how the measurement is made, what its form is, and what function it serves in the scientific process. For example, the measurement...

Mercury_7263008

Which two theories of Moon formation propose that much or all of the material comprising the Moon came from Earth?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

C

ARC-Easy

Which two theories of Moon formation propose that much or all of the material comprising the Moon came from Earth? Choices: A The Fission Theory and The Coaccretion Theory B The Coaccretion Theory and The Capture Theory C The Fission Theory and the Giant Impact Theory D The Capture Theory and the Giant Impact Theory

B The Coaccretion Theory and The Capture Theory

ACTAAP_2008_5_13

Which is a characteristic of sedimentary rock?

{ "label": [ "A", "B", "C", "D" ], "text": [ "forms in layers", "looks very shiny", "contains crystals", "forms from magma" ] }

A

ARC-Easy

Which is a characteristic of sedimentary rock? Choices: A forms in layers B looks very shiny C contains crystals D forms from magma

A: forms in layers

Mercury_7241063

Which factor determines if two individuals are members of the same species?

{ "label": [ "A", "B", "C", "D" ], "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." ] }

C

ARC-Easy

Which factor determines if two individuals are members of the same species? Choices: A They live in the same habitat and niche. B They forage and eat the same type of food. C They mate and produce fertile offspring. D They are similar in appearance and color.

C They mate and produce fertile offspring.

Mercury_7128240

Mangrove trees are affected by several factors. Which is an abiotic factor contributing to the energy cycle of a mangrove ecosystem?

{ "label": [ "A", "B", "C", "D" ], "text": [ "bacteria", "climate", "fungi", "rocks" ] }

B

ARC-Easy

Mangrove trees are affected by several factors. Which is an abiotic factor contributing to the energy cycle of a mangrove ecosystem? Choices: A bacteria B climate C fungi D rocks

B climate

Mercury_406546

A plant that has traits identical to the parent plant provides evidence that the plant

{ "label": [ "A", "B", "C", "D" ], "text": [ "resulted from sexual reproduction.", "resulted from asexual reproduction.", "will develop many seeds.", "will have large leaves." ] }

B

ARC-Easy

A plant that has traits identical to the parent plant provides evidence that the plant Choices: A resulted from sexual reproduction. B resulted from asexual reproduction. C will develop many seeds. D will have large leaves.

A resulted from sexual reproduction.

Mercury_SC_415415

What happens to climate and weather over a summer?

{ "label": [ "A", "B", "C", "D" ], "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." ] }

A

ARC-Easy

What happens to climate and weather over a summer? Choices: A Weather varies more than climate. B Climate varies more than weather. C Climate varies, but weather stays the same. D Weather and climate vary to the same degree.

B Climate varies more than weather.

Mercury_7230125

The hypothesis of an expanding universe required which type of validation before being accepted as a significant part of scientific theory?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

B

ARC-Easy

The hypothesis of an expanding universe required which type of validation before being accepted as a significant part of scientific theory? Choices: A a controlled single-variable laboratory test B support through evidence from numerous observations C proposal of alternative explanations with predictive value D a full...

B support through evidence from numerous observations

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?

{ "label": [ "A", "B", "C", "D" ], "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 sp...

D

ARC-Easy

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? Choices: A Individual birds have different colored feathers. B Island finches have a large number of offspring. C Individual birds of an island finch ...

C Individual birds of an island finch species have many differences.

NAEP_2000_8_S21+8

Which of the following is designed to convert energy into mechanical work?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Electric fan", "Kerosene heater", "Flashlight", "Baking oven" ] }

A

ARC-Easy

Which of the following is designed to convert energy into mechanical work? Choices: A Electric fan B Kerosene heater C Flashlight D Baking oven

The device designed to convert energy into mechanical work is the electric fan.

NYSEDREGENTS_2008_4_8

A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is

{ "label": [ "A", "B", "C", "D" ], "text": [ "4 centimeters", "8 centimeters", "12 centimeters", "16 centimeters" ] }

A

ARC-Easy

A magnet and a metal paper clip have the strongest magnetic attraction when the distance between them is Choices: A 4 centimeters B 8 centimeters C 12 centimeters D 16 centimeters

B 8 centimeters

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?

{ "label": [ "A", "B", "C", "D" ], "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 f...

B

ARC-Easy

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? Choices: A how m...

B how much newly hatched fish in this species gain in the first year without the nutrient in their diet is the additional information needed to determine whether the nutrient is affecting the growth of the fish.

MCAS_2000_4_32

The parts of plants that make seeds are the

{ "label": [ "A", "B", "C", "D" ], "text": [ "roots.", "stems.", "flowers.", "leaves." ] }

C

ARC-Easy

The parts of plants that make seeds are the Choices: A roots. B stems. C flowers. D leaves.

The parts of plants that make seeds are the ovary (which is often referred to as a fruit or berry) and the surrounding ovary wall. In some cases, the seed may also be contained within the ovule (a developed egg), which is enclosed within the ovary. This is why flowers and

Mercury_7024360

Which human activity would have the greatest positive impact on the water quality of a stream?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

C

ARC-Easy

Which human activity would have the greatest positive impact on the water quality of a stream? Choices: A releasing warm water into the stream B driving cars through the stream C reducing use of fertilizers near the stream D increasing use of chemicals near the stream

C reducing use of fertilizers near the stream

MCAS_2004_9_6-v1

Which of the following is the best example of a wave?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

C

ARC-Easy

Which of the following is the best example of a wave? Choices: A a stone rolling downhill B a vehicle traveling on a bumpy road C a string vibrating on a guitar D a grasshopper jumping up and down occasionally

C a string vibrating on a guitar is the best example of a wave.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "supports body posture", "controls body functions", "supplies the blood with oxygen", "carries blood to and from the heart" ] }

B

ARC-Easy

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? Choices: A supports body posture B controls body functions C supplies the blood with oxygen D carries blood to and from the heart

B) controls body functions

Mercury_SC_LBS10611

Which of these best describes a fossil?

{ "label": [ "A", "B", "C", "D" ], "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" ] }

C

ARC-Easy

Which of these best describes a fossil? Choices: A a geometric pattern formed by a mineral B a solid element or compound from Earth's crust C remains of an extinct organism found in a rock layer D bits of weathered rocks and pieces of dead organisms

C) remains of an extinct organism found in a rock layer

MCAS_2006_8_21

Which of the following is the best example of a part of the propulsion system of a tractor?

{ "label": [ "A", "B", "C", "D" ], "text": [ "engine", "front headlight", "hood", "steering wheel" ] }

A

ARC-Easy

Which of the following is the best example of a part of the propulsion system of a tractor? Choices: A engine B front headlight C hood D steering wheel

A engine is the best example of a part of the propulsion system of a tractor.

Mercury_SC_402125

Two high tides and two low tides occur on Earth every

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

A

ARC-Easy

Two high tides and two low tides occur on Earth every Choices: A day. B hour. C week. D month.

A day.

Mercury_7032148

Which scientist is credited for the development of the polio vaccine?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Jonas Salk", "Neil Armstrong", "Albert Einstein", "Jacques Cousteau" ] }

A

ARC-Easy

Which scientist is credited for the development of the polio vaccine? Choices: A Jonas Salk B Neil Armstrong C Albert Einstein D Jacques Cousteau

A Jonas Salk

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 Ef...

{ "label": [ "A", "B", "C", "D" ], "text": [ "the gravity of Earth", "the rotation of Earth", "the axial tilt of Earth", "the revolution of Earth" ] }

B

ARC-Easy

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 Ef...

B the rotation of Earth

Mercury_SC_416166

What helps skin feel heat and pressure?

{ "label": [ "A", "B", "C", "D" ], "text": [ "muscle cells", "blood cells", "nerve cells", "bone cells" ] }

C

ARC-Easy

What helps skin feel heat and pressure? Choices: A muscle cells B blood cells C nerve cells D bone cells

C nerve cells

Mercury_7141890

Based on the organization of living things, tissues

{ "label": [ "A", "B", "C", "D" ], "text": [ "form systems.", "are made of cells.", "are made of organs.", "do the work of cells." ] }

B

ARC-Easy

Based on the organization of living things, tissues Choices: A form systems. B are made of cells. C are made of organs. D do the work of cells.

B: Tissues are made of cells.

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

{ "label": [ "A", "B", "C", "D" ], "text": [ "are solid at room temperature.", "are good electrical conductors.", "generally have very high densities.", "tend to form ions by gaining electrons." ] }

D

ARC-Easy

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 Choices: A are solid at room temperature. B are good electrical conductors. C generally have very high densities. D tend to form ions by gaining electrons.

D tend to form ions by gaining electrons.

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?

{ "label": [ "A", "B", "C", "D" ], "text": [ "Omnivore", "Carnivore", "Herbivore", "Producer" ] }

A

ARC-Easy

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? Choices: A Omnivore B Carnivore C Herbivore D Producer

A Omnivore

MDSA_2013_8_2

Each layer of Earth has different properties. Which statement best describes the mantle of Earth?

{ "label": [ "A", "B", "C", "D" ], "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." ] }

C

ARC-Easy

Each layer of Earth has different properties. Which statement best describes the mantle of Earth? Choices: A The mantle lies below the core. B The mantle is composed of hot gases. C The mantle lies between the core and the crust. D The mantle temperature is lower than the crust temperature.

C The mantle lies between the core and the crust.