id
stringlengths 8
22
| question
stringlengths 17
586
| choices
dict | answerKey
stringclasses 9
values | prompt
stringlengths 74
739
| chosen
stringlengths 14
159
| rejected
stringlengths 13
146
| text
stringlengths 91
815
|
|---|---|---|---|---|---|---|---|
Mercury_7081113 | Which step will most likely ensure that the results of an investigation are valid? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"using a computer to graph results",
"verifying that results match the original hypothesis",
"comparing the results with those of other scientists",
"eliminating any results that appear to be abnormal"
]
} | C | Question: Which step will most likely ensure that the results of an investigation are valid?
(A) using a computer to graph results
(B) verifying that results match the original hypothesis
(C) comparing the results with those of other scientists
(D) eliminating any results that appear to be abnormal
| Answer: (C) comparing the results with those of other scientists | Answer: (B) verifying that results match the original hypothesis | Question: Which step will most likely ensure that the results of an investigation are valid?
(A) using a computer to graph results
(B) verifying that results match the original hypothesis
(C) comparing the results with those of other scientists
(D) eliminating any results that appear to be abnormal
Answer: (C) comparing the results with those of other scientists |
Mercury_7085855 | What is formed when a sodium atom and chlorine atom react chemically? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"an element",
"a compound",
"an electron",
"a neutron"
]
} | B | Question: What is formed when a sodium atom and chlorine atom react chemically?
(A) an element
(B) a compound
(C) an electron
(D) a neutron
| Answer: (B) a compound | Answer: (A) an element | Question: What is formed when a sodium atom and chlorine atom react chemically?
(A) an element
(B) a compound
(C) an electron
(D) a neutron
Answer: (B) a compound |
Mercury_7013143 | Which of these is an example of an endothermic process? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fireworks display",
"glowing light stick",
"first-aid instant cold pack",
"gasoline-burning car engine"
]
} | C | Question: Which of these is an example of an endothermic process?
(A) fireworks display
(B) glowing light stick
(C) first-aid instant cold pack
(D) gasoline-burning car engine
| Answer: (C) first-aid instant cold pack | Answer: (B) glowing light stick | Question: Which of these is an example of an endothermic process?
(A) fireworks display
(B) glowing light stick
(C) first-aid instant cold pack
(D) gasoline-burning car engine
Answer: (C) first-aid instant cold pack |
Mercury_7043663 | The distance from Earth to the Sun is about 150,000,000 km. What abbreviation do scientists use to describe this distance? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"meters per second (m/s)",
"light-year (ly)",
"astronomical unit (AU)",
"electromagnetic unit (EMU)"
]
} | C | Question: The distance from Earth to the Sun is about 150,000,000 km. What abbreviation do scientists use to describe this distance?
(A) meters per second (m/s)
(B) light-year (ly)
(C) astronomical unit (AU)
(D) electromagnetic unit (EMU)
| Answer: (C) astronomical unit (AU) | Answer: (B) light-year (ly) | Question: The distance from Earth to the Sun is about 150,000,000 km. What abbreviation do scientists use to describe this distance?
(A) meters per second (m/s)
(B) light-year (ly)
(C) astronomical unit (AU)
(D) electromagnetic unit (EMU)
Answer: (C) astronomical unit (AU) |
NYSEDREGENTS_2004_4_1 | In New York State, the longest period of daylight occurs during which month? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"June",
"March",
"December",
"September"
]
} | A | Question: In New York State, the longest period of daylight occurs during which month?
(A) June
(B) March
(C) December
(D) September
| Answer: (A) June | Answer: (D) September | Question: In New York State, the longest period of daylight occurs during which month?
(A) June
(B) March
(C) December
(D) September
Answer: (A) June |
Mercury_400014 | Which trait does a puppy inherit from its parents? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fur color and pattern",
"obedience to commands",
"food brand preferences",
"affection for a specific home"
]
} | A | Question: Which trait does a puppy inherit from its parents?
(A) fur color and pattern
(B) obedience to commands
(C) food brand preferences
(D) affection for a specific home
| Answer: (A) fur color and pattern | Answer: (D) affection for a specific home | Question: Which trait does a puppy inherit from its parents?
(A) fur color and pattern
(B) obedience to commands
(C) food brand preferences
(D) affection for a specific home
Answer: (A) fur color and pattern |
Mercury_SC_411888 | Which material is most easily recycled at school? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"plastic wrap",
"notebook paper",
"ice cream sticks",
"rubber erasers"
]
} | B | Question: Which material is most easily recycled at school?
(A) plastic wrap
(B) notebook paper
(C) ice cream sticks
(D) rubber erasers
| Answer: (B) notebook paper | Answer: (A) plastic wrap | Question: Which material is most easily recycled at school?
(A) plastic wrap
(B) notebook paper
(C) ice cream sticks
(D) rubber erasers
Answer: (B) notebook paper |
Mercury_7109480 | Plants make sugars in the presence of sunlight in a process called photosynthesis. What form of carbon do the plants take in for this process? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"glucose molecule",
"carbon dioxide",
"single carbon atoms",
"complex organic compounds"
]
} | B | Question: Plants make sugars in the presence of sunlight in a process called photosynthesis. What form of carbon do the plants take in for this process?
(A) glucose molecule
(B) carbon dioxide
(C) single carbon atoms
(D) complex organic compounds
| Answer: (B) carbon dioxide | Answer: (A) glucose molecule | Question: Plants make sugars in the presence of sunlight in a process called photosynthesis. What form of carbon do the plants take in for this process?
(A) glucose molecule
(B) carbon dioxide
(C) single carbon atoms
(D) complex organic compounds
Answer: (B) carbon dioxide |
OHAT_2011_5_19 | The sun is a star of average size and brightness. From Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Daylight brightens the sun, making it appear larger.",
"Starlight bends as it passes planets, making the stars appear smaller.",
"The sun is closer to Earth than other stars, making the sun appear larger.",
"Earth's atmosphere filters out light from other stars, making them appear smaller."
]
} | C | Question: The sun is a star of average size and brightness. From Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night?
(A) Daylight brightens the sun, making it appear larger.
(B) Starlight bends as it passes planets, making the stars appear smaller.
(C) The sun is closer to Earth than other stars, making the sun appear larger.
(D) Earth's atmosphere filters out light from other stars, making them appear smaller.
| Answer: (C) The sun is closer to Earth than other stars, making the sun appear larger. | Answer: (A) Daylight brightens the sun, making it appear larger. | Question: The sun is a star of average size and brightness. From Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night?
(A) Daylight brightens the sun, making it appear larger.
(B) Starlight bends as it passes planets, making the stars appear smaller.
(C) The sun is closer to Earth than other stars, making the sun appear larger.
(D) Earth's atmosphere filters out light from other stars, making them appear smaller.
Answer: (C) The sun is closer to Earth than other stars, making the sun appear larger. |
TAKS_2009_8_2 | A drain cleaner consists of sodium hydroxide and aluminum. When the drain cleaner is added to water, bubbles of hydrogen are produced, and the solution becomes very hot. Which of these best describes what happens to form the bubbles when the cleaner is added to water? F | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"chemical reaction",
"Condensation",
"A physical change",
"Evaporation"
]
} | A | Question: A drain cleaner consists of sodium hydroxide and aluminum. When the drain cleaner is added to water, bubbles of hydrogen are produced, and the solution becomes very hot. Which of these best describes what happens to form the bubbles when the cleaner is added to water? F
(A) chemical reaction
(B) Condensation
(C) A physical change
(D) Evaporation
| Answer: (A) chemical reaction | Answer: (C) A physical change | Question: A drain cleaner consists of sodium hydroxide and aluminum. When the drain cleaner is added to water, bubbles of hydrogen are produced, and the solution becomes very hot. Which of these best describes what happens to form the bubbles when the cleaner is added to water? F
(A) chemical reaction
(B) Condensation
(C) A physical change
(D) Evaporation
Answer: (A) chemical reaction |
TIMSS_2011_8_pg28 | John has diabetes. Which of the following should he be careful about eating or drinking? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"beef",
"eggs",
"milk",
"fruit juice"
]
} | D | Question: John has diabetes. Which of the following should he be careful about eating or drinking?
(A) beef
(B) eggs
(C) milk
(D) fruit juice
| Answer: (D) fruit juice | Answer: (A) beef | Question: John has diabetes. Which of the following should he be careful about eating or drinking?
(A) beef
(B) eggs
(C) milk
(D) fruit juice
Answer: (D) fruit juice |
CSZ20827 | Within a substance, atoms that collide frequently and move independently of one another are most likely in a | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"liquid.",
"solid.",
"gas.",
"crystal."
]
} | C | Question: Within a substance, atoms that collide frequently and move independently of one another are most likely in a
(A) liquid.
(B) solid.
(C) gas.
(D) crystal.
| Answer: (C) gas. | Answer: (A) liquid. | Question: Within a substance, atoms that collide frequently and move independently of one another are most likely in a
(A) liquid.
(B) solid.
(C) gas.
(D) crystal.
Answer: (C) gas. |
Mercury_SC_400861 | Which object best reflects light? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"gray door",
"white floor",
"black sweater",
"brown carpet"
]
} | B | Question: Which object best reflects light?
(A) gray door
(B) white floor
(C) black sweater
(D) brown carpet
| Answer: (B) white floor | Answer: (D) brown carpet | Question: Which object best reflects light?
(A) gray door
(B) white floor
(C) black sweater
(D) brown carpet
Answer: (B) white floor |
Mercury_SC_400039 | The gravitational attraction of the Moon causes which effect on Earth? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"ocean tides",
"time of day",
"energy from the Sun",
"phases of the Moon"
]
} | A | Question: The gravitational attraction of the Moon causes which effect on Earth?
(A) ocean tides
(B) time of day
(C) energy from the Sun
(D) phases of the Moon
| Answer: (A) ocean tides | Answer: (D) phases of the Moon | Question: The gravitational attraction of the Moon causes which effect on Earth?
(A) ocean tides
(B) time of day
(C) energy from the Sun
(D) phases of the Moon
Answer: (A) ocean tides |
Mercury_7245228 | A forest was cleared for the building of a resort, but before construction began, secondary succession set in. Which of these describes why secondary succession appeared so rapidly? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The clearing allowed mosses to grow quickly.",
"Rock weathering occurred for lichens to grow.",
"Exposed substrates allowed microbes to grow.",
"The soil components remained for plants to grow."
]
} | D | Question: A forest was cleared for the building of a resort, but before construction began, secondary succession set in. Which of these describes why secondary succession appeared so rapidly?
(A) The clearing allowed mosses to grow quickly.
(B) Rock weathering occurred for lichens to grow.
(C) Exposed substrates allowed microbes to grow.
(D) The soil components remained for plants to grow.
| Answer: (D) The soil components remained for plants to grow. | Answer: (A) The clearing allowed mosses to grow quickly. | Question: A forest was cleared for the building of a resort, but before construction began, secondary succession set in. Which of these describes why secondary succession appeared so rapidly?
(A) The clearing allowed mosses to grow quickly.
(B) Rock weathering occurred for lichens to grow.
(C) Exposed substrates allowed microbes to grow.
(D) The soil components remained for plants to grow.
Answer: (D) The soil components remained for plants to grow. |
Mercury_SC_401633 | Which object is made to reflect light? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"telescope",
"window",
"mirror",
"eyeglasses"
]
} | C | Question: Which object is made to reflect light?
(A) telescope
(B) window
(C) mirror
(D) eyeglasses
| Answer: (C) mirror | Answer: (A) telescope | Question: Which object is made to reflect light?
(A) telescope
(B) window
(C) mirror
(D) eyeglasses
Answer: (C) mirror |
Mercury_409817 | A car may produce many forms of energy from the fuel it uses. Which indicates that a car does not use fuel with 100% efficiency? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The car changes speed.",
"The car engine gets hot.",
"The car stops quickly.",
"The car slides on slippery streets."
]
} | B | Question: A car may produce many forms of energy from the fuel it uses. Which indicates that a car does not use fuel with 100% efficiency?
(A) The car changes speed.
(B) The car engine gets hot.
(C) The car stops quickly.
(D) The car slides on slippery streets.
| Answer: (B) The car engine gets hot. | Answer: (A) The car changes speed. | Question: A car may produce many forms of energy from the fuel it uses. Which indicates that a car does not use fuel with 100% efficiency?
(A) The car changes speed.
(B) The car engine gets hot.
(C) The car stops quickly.
(D) The car slides on slippery streets.
Answer: (B) The car engine gets hot. |
Mercury_7091840 | After nitrogen becomes part of the lithosphere, what is the next change that nitrogen will undergo? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"used as a nutrient by plants",
"fixed by bacteria in the soil",
"converted into oxygen",
"absorbed into the atmosphere by lightning"
]
} | B | Question: After nitrogen becomes part of the lithosphere, what is the next change that nitrogen will undergo?
(A) used as a nutrient by plants
(B) fixed by bacteria in the soil
(C) converted into oxygen
(D) absorbed into the atmosphere by lightning
| Answer: (B) fixed by bacteria in the soil | Answer: (A) used as a nutrient by plants | Question: After nitrogen becomes part of the lithosphere, what is the next change that nitrogen will undergo?
(A) used as a nutrient by plants
(B) fixed by bacteria in the soil
(C) converted into oxygen
(D) absorbed into the atmosphere by lightning
Answer: (B) fixed by bacteria in the soil |
MCAS_1999_4_11 | Which of the following would be more likely to pollute a river? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"allowing beavers to build a dam",
"spreading fertilizer near the river",
"mowing the grass on the river bank",
"fishing from a bridge over the river"
]
} | B | Question: Which of the following would be more likely to pollute a river?
(A) allowing beavers to build a dam
(B) spreading fertilizer near the river
(C) mowing the grass on the river bank
(D) fishing from a bridge over the river
| Answer: (B) spreading fertilizer near the river | Answer: (C) mowing the grass on the river bank | Question: Which of the following would be more likely to pollute a river?
(A) allowing beavers to build a dam
(B) spreading fertilizer near the river
(C) mowing the grass on the river bank
(D) fishing from a bridge over the river
Answer: (B) spreading fertilizer near the river |
Mercury_417473 | For two organisms to be classified as the same species, they must produce offspring that are | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fertile.",
"adaptable.",
"alive at birth.",
"identical to the parents."
]
} | A | Question: For two organisms to be classified as the same species, they must produce offspring that are
(A) fertile.
(B) adaptable.
(C) alive at birth.
(D) identical to the parents.
| Answer: (A) fertile. | Answer: (C) alive at birth. | Question: For two organisms to be classified as the same species, they must produce offspring that are
(A) fertile.
(B) adaptable.
(C) alive at birth.
(D) identical to the parents.
Answer: (A) fertile. |
MEA_2016_8_3 | Which sentence best describes the organization of the heart? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The heart is an organ made up of different types of tissues, each of which has different types of cells.",
"The heart is a tissue made up of different types of organs, each of which has different types of cells.",
"The heart is a system made up of one type of tissue and identical cells.",
"The heart is a tissue made up of one type of organ and identical cells."
]
} | A | Question: Which sentence best describes the organization of the heart?
(A) The heart is an organ made up of different types of tissues, each of which has different types of cells.
(B) The heart is a tissue made up of different types of organs, each of which has different types of cells.
(C) The heart is a system made up of one type of tissue and identical cells.
(D) The heart is a tissue made up of one type of organ and identical cells.
| Answer: (A) The heart is an organ made up of different types of tissues, each of which has different types of cells. | Answer: (B) The heart is a tissue made up of different types of organs, each of which has different types of cells. | Question: Which sentence best describes the organization of the heart?
(A) The heart is an organ made up of different types of tissues, each of which has different types of cells.
(B) The heart is a tissue made up of different types of organs, each of which has different types of cells.
(C) The heart is a system made up of one type of tissue and identical cells.
(D) The heart is a tissue made up of one type of organ and identical cells.
Answer: (A) The heart is an organ made up of different types of tissues, each of which has different types of cells. |
Mercury_SC_406700 | Which stage in the reptile life cycle is most like the birth of a lion cub? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"hatching from an egg",
"shedding the skin",
"hunting for food",
"finding a mate"
]
} | A | Question: Which stage in the reptile life cycle is most like the birth of a lion cub?
(A) hatching from an egg
(B) shedding the skin
(C) hunting for food
(D) finding a mate
| Answer: (A) hatching from an egg | Answer: (C) hunting for food | Question: Which stage in the reptile life cycle is most like the birth of a lion cub?
(A) hatching from an egg
(B) shedding the skin
(C) hunting for food
(D) finding a mate
Answer: (A) hatching from an egg |
Mercury_7042823 | What would be the best way to determine the role of squirrels in a forest ecosystem? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"measure the length and mass of several squirrels",
"determine the genes that control squirrel traits",
"make field observations of squirrels in their natural habitat",
"read articles about the energy and nutrient requirements of squirrels"
]
} | C | Question: What would be the best way to determine the role of squirrels in a forest ecosystem?
(A) measure the length and mass of several squirrels
(B) determine the genes that control squirrel traits
(C) make field observations of squirrels in their natural habitat
(D) read articles about the energy and nutrient requirements of squirrels
| Answer: (C) make field observations of squirrels in their natural habitat | Answer: (A) measure the length and mass of several squirrels | Question: What would be the best way to determine the role of squirrels in a forest ecosystem?
(A) measure the length and mass of several squirrels
(B) determine the genes that control squirrel traits
(C) make field observations of squirrels in their natural habitat
(D) read articles about the energy and nutrient requirements of squirrels
Answer: (C) make field observations of squirrels in their natural habitat |
CSZ10304 | Which of the following systems breaks food into nutrients that can be used by the body? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"circulatory",
"digestive",
"respiratory",
"reproductive"
]
} | B | Question: Which of the following systems breaks food into nutrients that can be used by the body?
(A) circulatory
(B) digestive
(C) respiratory
(D) reproductive
| Answer: (B) digestive | Answer: (A) circulatory | Question: Which of the following systems breaks food into nutrients that can be used by the body?
(A) circulatory
(B) digestive
(C) respiratory
(D) reproductive
Answer: (B) digestive |
VASoL_2007_3_22 | Barry collected four different rocks. The rock with the GREATEST mass will feel the ___. | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"heaviest",
"smoothest",
"sharpest",
"hardest"
]
} | A | Question: Barry collected four different rocks. The rock with the GREATEST mass will feel the ___.
(A) heaviest
(B) smoothest
(C) sharpest
(D) hardest
| Answer: (A) heaviest | Answer: (D) hardest | Question: Barry collected four different rocks. The rock with the GREATEST mass will feel the ___.
(A) heaviest
(B) smoothest
(C) sharpest
(D) hardest
Answer: (A) heaviest |
MCAS_2004_5_6 | Which of the following is not an inherited trait of humans? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"eye color",
"hair color",
"favorite food",
"height"
]
} | C | Question: Which of the following is not an inherited trait of humans?
(A) eye color
(B) hair color
(C) favorite food
(D) height
| Answer: (C) favorite food | Answer: (D) height | Question: Which of the following is not an inherited trait of humans?
(A) eye color
(B) hair color
(C) favorite food
(D) height
Answer: (C) favorite food |
Mercury_407663 | When a person chews, saliva from the mouth mixes with starches in food. These starches begin to turn into sugars. Changing starches into sugars is best described as | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a phase change.",
"a cellular change.",
"a physical change.",
"a chemical change."
]
} | D | Question: When a person chews, saliva from the mouth mixes with starches in food. These starches begin to turn into sugars. Changing starches into sugars is best described as
(A) a phase change.
(B) a cellular change.
(C) a physical change.
(D) a chemical change.
| Answer: (D) a chemical change. | Answer: (C) a physical change. | Question: When a person chews, saliva from the mouth mixes with starches in food. These starches begin to turn into sugars. Changing starches into sugars is best described as
(A) a phase change.
(B) a cellular change.
(C) a physical change.
(D) a chemical change.
Answer: (D) a chemical change. |
Mercury_7085995 | Which of these renewable resources results in an increase in pollution when used to produce energy? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"water",
"wind",
"biomass",
"geothermal"
]
} | C | Question: Which of these renewable resources results in an increase in pollution when used to produce energy?
(A) water
(B) wind
(C) biomass
(D) geothermal
| Answer: (C) biomass | Answer: (B) wind | Question: Which of these renewable resources results in an increase in pollution when used to produce energy?
(A) water
(B) wind
(C) biomass
(D) geothermal
Answer: (C) biomass |
Mercury_7207270 | Granite is an igneous rock. Which of these describes what usually happens to granite after it is weathered, broken into small particles, buried deep underground, and compacted? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The granite becomes a new rock type.",
"The granite forms an active volcano.",
"The granite becomes part of a deep fault.",
"The granite forms a tall mountain."
]
} | A | Question: Granite is an igneous rock. Which of these describes what usually happens to granite after it is weathered, broken into small particles, buried deep underground, and compacted?
(A) The granite becomes a new rock type.
(B) The granite forms an active volcano.
(C) The granite becomes part of a deep fault.
(D) The granite forms a tall mountain.
| Answer: (A) The granite becomes a new rock type. | Answer: (C) The granite becomes part of a deep fault. | Question: Granite is an igneous rock. Which of these describes what usually happens to granite after it is weathered, broken into small particles, buried deep underground, and compacted?
(A) The granite becomes a new rock type.
(B) The granite forms an active volcano.
(C) The granite becomes part of a deep fault.
(D) The granite forms a tall mountain.
Answer: (A) The granite becomes a new rock type. |
Mercury_SC_400373 | The features below are all present on Earth. Which feature could also be found on the Moon? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"crater",
"clouds",
"electrical storms",
"nitrogen based atmosphere"
]
} | A | Question: The features below are all present on Earth. Which feature could also be found on the Moon?
(A) crater
(B) clouds
(C) electrical storms
(D) nitrogen based atmosphere
| Answer: (A) crater | Answer: (B) clouds | Question: The features below are all present on Earth. Which feature could also be found on the Moon?
(A) crater
(B) clouds
(C) electrical storms
(D) nitrogen based atmosphere
Answer: (A) crater |
Mercury_SC_415536 | What is the highest temperature that water can reach in a pot on a stove? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"50°C",
"90°C",
"100°C",
"212°C"
]
} | C | Question: What is the highest temperature that water can reach in a pot on a stove?
(A) 50°C
(B) 90°C
(C) 100°C
(D) 212°C
| Answer: (C) 100°C | Answer: (D) 212°C | Question: What is the highest temperature that water can reach in a pot on a stove?
(A) 50°C
(B) 90°C
(C) 100°C
(D) 212°C
Answer: (C) 100°C |
Mercury_7222968 | In 2004 the Hubble space telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a black hole",
"a galaxy",
"a nebula",
"a solar system"
]
} | B | Question: In 2004 the Hubble space telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure?
(A) a black hole
(B) a galaxy
(C) a nebula
(D) a solar system
| Answer: (B) a galaxy | Answer: (C) a nebula | Question: In 2004 the Hubble space telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure?
(A) a black hole
(B) a galaxy
(C) a nebula
(D) a solar system
Answer: (B) a galaxy |
Mercury_7132003 | Where is most of the mass of the atom located? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"in the protons",
"in the nucleus",
"in the neutrons",
"in the electrons"
]
} | B | Question: Where is most of the mass of the atom located?
(A) in the protons
(B) in the nucleus
(C) in the neutrons
(D) in the electrons
| Answer: (B) in the nucleus | Answer: (A) in the protons | Question: Where is most of the mass of the atom located?
(A) in the protons
(B) in the nucleus
(C) in the neutrons
(D) in the electrons
Answer: (B) in the nucleus |
NYSEDREGENTS_2005_8_45 | Which situation is the best example of ecological succession? | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"An organism survives a difficult winter.",
"The populations in an area remain the same.",
"One species replaces another species in an ecosystem.",
"Each of several species uses the same amount of resources."
]
} | 3 | Question: Which situation is the best example of ecological succession?
(1) An organism survives a difficult winter.
(2) The populations in an area remain the same.
(3) One species replaces another species in an ecosystem.
(4) Each of several species uses the same amount of resources.
| Answer: (3) One species replaces another species in an ecosystem. | Answer: (4) Each of several species uses the same amount of resources. | Question: Which situation is the best example of ecological succession?
(1) An organism survives a difficult winter.
(2) The populations in an area remain the same.
(3) One species replaces another species in an ecosystem.
(4) Each of several species uses the same amount of resources.
Answer: (3) One species replaces another species in an ecosystem. |
MCAS_2000_4_3 | The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"height of both trees.",
"number of leaves on the trees.",
"size of the root systems of the trees.",
"shape of the leaves."
]
} | D | Question: The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the
(A) height of both trees.
(B) number of leaves on the trees.
(C) size of the root systems of the trees.
(D) shape of the leaves.
| Answer: (D) shape of the leaves. | Answer: (B) number of leaves on the trees. | Question: The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the
(A) height of both trees.
(B) number of leaves on the trees.
(C) size of the root systems of the trees.
(D) shape of the leaves.
Answer: (D) shape of the leaves. |
Mercury_7213605 | Which example describes a learned behavior in a dog? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"smelling the air for odors",
"barking when disturbed",
"sitting on command",
"digging in soil"
]
} | C | Question: Which example describes a learned behavior in a dog?
(A) smelling the air for odors
(B) barking when disturbed
(C) sitting on command
(D) digging in soil
| Answer: (C) sitting on command | Answer: (B) barking when disturbed | Question: Which example describes a learned behavior in a dog?
(A) smelling the air for odors
(B) barking when disturbed
(C) sitting on command
(D) digging in soil
Answer: (C) sitting on command |
Mercury_7081218 | In a lab investigation, a student notes that two metal blocks have the same mass. Based on this observation, if the two blocks were put on opposite sides of a balance, they would best represent | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"balanced forces.",
"unbalanced forces.",
"equal and opposite reactions.",
"objects in motion."
]
} | A | Question: In a lab investigation, a student notes that two metal blocks have the same mass. Based on this observation, if the two blocks were put on opposite sides of a balance, they would best represent
(A) balanced forces.
(B) unbalanced forces.
(C) equal and opposite reactions.
(D) objects in motion.
| Answer: (A) balanced forces. | Answer: (B) unbalanced forces. | Question: In a lab investigation, a student notes that two metal blocks have the same mass. Based on this observation, if the two blocks were put on opposite sides of a balance, they would best represent
(A) balanced forces.
(B) unbalanced forces.
(C) equal and opposite reactions.
(D) objects in motion.
Answer: (A) balanced forces. |
Mercury_7216370 | A scientist was investigating why several fish caught from a local stream displayed similar mutations. He found that the water temperature of the stream was elevated since an industrial plant began discharging heated water into the stream. The scientist concluded that increased water temperature during the egg phase led to the mutation in the fish. According to this conclusion, the mutation was caused by | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"an autoimmune disorder.",
"a congenital defect.",
"an environmental condition.",
"an injury from a predator."
]
} | C | Question: A scientist was investigating why several fish caught from a local stream displayed similar mutations. He found that the water temperature of the stream was elevated since an industrial plant began discharging heated water into the stream. The scientist concluded that increased water temperature during the egg phase led to the mutation in the fish. According to this conclusion, the mutation was caused by
(A) an autoimmune disorder.
(B) a congenital defect.
(C) an environmental condition.
(D) an injury from a predator.
| Answer: (C) an environmental condition. | Answer: (B) a congenital defect. | Question: A scientist was investigating why several fish caught from a local stream displayed similar mutations. He found that the water temperature of the stream was elevated since an industrial plant began discharging heated water into the stream. The scientist concluded that increased water temperature during the egg phase led to the mutation in the fish. According to this conclusion, the mutation was caused by
(A) an autoimmune disorder.
(B) a congenital defect.
(C) an environmental condition.
(D) an injury from a predator.
Answer: (C) an environmental condition. |
Mercury_SC_400581 | Solar radiation has a part in the water cycle by | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"affecting ocean tides.",
"helping in the absorption of groundwater.",
"determining the type of clouds formed.",
"changing water to a vapor."
]
} | D | Question: Solar radiation has a part in the water cycle by
(A) affecting ocean tides.
(B) helping in the absorption of groundwater.
(C) determining the type of clouds formed.
(D) changing water to a vapor.
| Answer: (D) changing water to a vapor. | Answer: (C) determining the type of clouds formed. | Question: Solar radiation has a part in the water cycle by
(A) affecting ocean tides.
(B) helping in the absorption of groundwater.
(C) determining the type of clouds formed.
(D) changing water to a vapor.
Answer: (D) changing water to a vapor. |
OHAT_2010_5_37 | A student sets a block at the top of a wooden ramp. The student pushes the block. As the block slides down the ramp, it slows down and then comes to a stop. What force causes the block to slow down? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the force of gravity",
"the force of friction",
"the force of magnetism",
"the force of the student's push"
]
} | B | Question: A student sets a block at the top of a wooden ramp. The student pushes the block. As the block slides down the ramp, it slows down and then comes to a stop. What force causes the block to slow down?
(A) the force of gravity
(B) the force of friction
(C) the force of magnetism
(D) the force of the student's push
| Answer: (B) the force of friction | Answer: (D) the force of the student's push | Question: A student sets a block at the top of a wooden ramp. The student pushes the block. As the block slides down the ramp, it slows down and then comes to a stop. What force causes the block to slow down?
(A) the force of gravity
(B) the force of friction
(C) the force of magnetism
(D) the force of the student's push
Answer: (B) the force of friction |
Mercury_7246330 | Which of these explains how a trench can form? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"two oceanic plates converging",
"two continental plates converging",
"two continental plates diverging",
"two oceanic plates diverging"
]
} | A | Question: Which of these explains how a trench can form?
(A) two oceanic plates converging
(B) two continental plates converging
(C) two continental plates diverging
(D) two oceanic plates diverging
| Answer: (A) two oceanic plates converging | Answer: (D) two oceanic plates diverging | Question: Which of these explains how a trench can form?
(A) two oceanic plates converging
(B) two continental plates converging
(C) two continental plates diverging
(D) two oceanic plates diverging
Answer: (A) two oceanic plates converging |
Mercury_7137760 | Pepsin is an enzyme that acts in the stomach for protein digestion. Which of these is most likely the main role of pepsin in this metabolic reaction? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"to speed up the rate of reaction",
"to reduce the loss of energy as heat",
"to control the direction of the reaction",
"to protect the reaction from other chemicals"
]
} | A | Question: Pepsin is an enzyme that acts in the stomach for protein digestion. Which of these is most likely the main role of pepsin in this metabolic reaction?
(A) to speed up the rate of reaction
(B) to reduce the loss of energy as heat
(C) to control the direction of the reaction
(D) to protect the reaction from other chemicals
| Answer: (A) to speed up the rate of reaction | Answer: (C) to control the direction of the reaction | Question: Pepsin is an enzyme that acts in the stomach for protein digestion. Which of these is most likely the main role of pepsin in this metabolic reaction?
(A) to speed up the rate of reaction
(B) to reduce the loss of energy as heat
(C) to control the direction of the reaction
(D) to protect the reaction from other chemicals
Answer: (A) to speed up the rate of reaction |
ACTAAP_2009_7_2 | Sodium chloride, commonly called "table salt," is made up of sodium and chlorine that have been combined chemically. Which term best describes sodium chloride? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Acid",
"Atom",
"Element",
"Compound"
]
} | D | Question: Sodium chloride, commonly called "table salt," is made up of sodium and chlorine that have been combined chemically. Which term best describes sodium chloride?
(A) Acid
(B) Atom
(C) Element
(D) Compound
| Answer: (D) Compound | Answer: (C) Element | Question: Sodium chloride, commonly called "table salt," is made up of sodium and chlorine that have been combined chemically. Which term best describes sodium chloride?
(A) Acid
(B) Atom
(C) Element
(D) Compound
Answer: (D) Compound |
Mercury_7159408 | Katia was listening to music on the radio. In order for the sound to be produced, the electrical energy must be converted into which type of energy? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"thermal energy",
"magnetic energy",
"chemical energy",
"mechanical energy"
]
} | D | Question: Katia was listening to music on the radio. In order for the sound to be produced, the electrical energy must be converted into which type of energy?
(A) thermal energy
(B) magnetic energy
(C) chemical energy
(D) mechanical energy
| Answer: (D) mechanical energy | Answer: (C) chemical energy | Question: Katia was listening to music on the radio. In order for the sound to be produced, the electrical energy must be converted into which type of energy?
(A) thermal energy
(B) magnetic energy
(C) chemical energy
(D) mechanical energy
Answer: (D) mechanical energy |
Mercury_7176015 | Studies of snail fossils in Egypt indicate that areas of Egypt that are now desert were once thriving savannahs approximately 130,000 years ago. What does the presence of these fossils indicate about the area of Egypt that was thriving 130,000 years ago? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"There was more humidity in the air.",
"There were fewer nutrients in the soil.",
"There was more snowfall in the region.",
"There was less solar radiation in the region."
]
} | A | Question: Studies of snail fossils in Egypt indicate that areas of Egypt that are now desert were once thriving savannahs approximately 130,000 years ago. What does the presence of these fossils indicate about the area of Egypt that was thriving 130,000 years ago?
(A) There was more humidity in the air.
(B) There were fewer nutrients in the soil.
(C) There was more snowfall in the region.
(D) There was less solar radiation in the region.
| Answer: (A) There was more humidity in the air. | Answer: (C) There was more snowfall in the region. | Question: Studies of snail fossils in Egypt indicate that areas of Egypt that are now desert were once thriving savannahs approximately 130,000 years ago. What does the presence of these fossils indicate about the area of Egypt that was thriving 130,000 years ago?
(A) There was more humidity in the air.
(B) There were fewer nutrients in the soil.
(C) There was more snowfall in the region.
(D) There was less solar radiation in the region.
Answer: (A) There was more humidity in the air. |
Mercury_405139 | Which statement identifies an energy source as renewable? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Oil, because it is found underground.",
"Wind, because it is always available.",
"Water, because it is becoming scarce.",
"Coal, because it was formed from plants."
]
} | B | Question: Which statement identifies an energy source as renewable?
(A) Oil, because it is found underground.
(B) Wind, because it is always available.
(C) Water, because it is becoming scarce.
(D) Coal, because it was formed from plants.
| Answer: (B) Wind, because it is always available. | Answer: (A) Oil, because it is found underground. | Question: Which statement identifies an energy source as renewable?
(A) Oil, because it is found underground.
(B) Wind, because it is always available.
(C) Water, because it is becoming scarce.
(D) Coal, because it was formed from plants.
Answer: (B) Wind, because it is always available. |
TIMSS_2003_8_pg90 | A wet towel will dry when it is left in the Sun. Which process occurs to make this happen? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"melting",
"boiling",
"condensation",
"evaporation"
]
} | D | Question: A wet towel will dry when it is left in the Sun. Which process occurs to make this happen?
(A) melting
(B) boiling
(C) condensation
(D) evaporation
| Answer: (D) evaporation | Answer: (C) condensation | Question: A wet towel will dry when it is left in the Sun. Which process occurs to make this happen?
(A) melting
(B) boiling
(C) condensation
(D) evaporation
Answer: (D) evaporation |
Mercury_SC_408377 | Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Inertia decreased.",
"Gravity increased.",
"Friction increased.",
"Magnetism decreased."
]
} | C | Question: Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
(A) Inertia decreased.
(B) Gravity increased.
(C) Friction increased.
(D) Magnetism decreased.
| Answer: (C) Friction increased. | Answer: (B) Gravity increased. | Question: Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?
(A) Inertia decreased.
(B) Gravity increased.
(C) Friction increased.
(D) Magnetism decreased.
Answer: (C) Friction increased. |
MDSA_2007_4_49 | Eye color is a physical trait. Which statement best explains why a child has a specific eye color? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Eye color is a learned trait.",
"Eye color is an inherited trait.",
"Eye color is a trait that changes over time.",
"Eye color is a trait that happens by chance."
]
} | B | Question: Eye color is a physical trait. Which statement best explains why a child has a specific eye color?
(A) Eye color is a learned trait.
(B) Eye color is an inherited trait.
(C) Eye color is a trait that changes over time.
(D) Eye color is a trait that happens by chance.
| Answer: (B) Eye color is an inherited trait. | Answer: (A) Eye color is a learned trait. | Question: Eye color is a physical trait. Which statement best explains why a child has a specific eye color?
(A) Eye color is a learned trait.
(B) Eye color is an inherited trait.
(C) Eye color is a trait that changes over time.
(D) Eye color is a trait that happens by chance.
Answer: (B) Eye color is an inherited trait. |
Mercury_400805 | Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"25",
"30",
"55",
"80"
]
} | C | Question: Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus?
(A) 25
(B) 30
(C) 55
(D) 80
| Answer: (C) 55 | Answer: (A) 25 | Question: Manganese has an atomic number of 25 and an atomic mass of 55 amu. How many particles are found in its nucleus?
(A) 25
(B) 30
(C) 55
(D) 80
Answer: (C) 55 |
Mercury_SC_400215 | Students researched monkeys at a zoo. They recorded the monkeys' traits and behaviors. This investigation activity is best described as | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"controlling.",
"hypothesizing.",
"observing.",
"inferring."
]
} | C | Question: Students researched monkeys at a zoo. They recorded the monkeys' traits and behaviors. This investigation activity is best described as
(A) controlling.
(B) hypothesizing.
(C) observing.
(D) inferring.
| Answer: (C) observing. | Answer: (B) hypothesizing. | Question: Students researched monkeys at a zoo. They recorded the monkeys' traits and behaviors. This investigation activity is best described as
(A) controlling.
(B) hypothesizing.
(C) observing.
(D) inferring.
Answer: (C) observing. |
NYSEDREGENTS_2016_4_9 | The fur of an arctic fox turns from brown to white as winter approaches. This is an example of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"camouflage",
"hibernation",
"migration",
"movement"
]
} | A | Question: The fur of an arctic fox turns from brown to white as winter approaches. This is an example of
(A) camouflage
(B) hibernation
(C) migration
(D) movement
| Answer: (A) camouflage | Answer: (D) movement | Question: The fur of an arctic fox turns from brown to white as winter approaches. This is an example of
(A) camouflage
(B) hibernation
(C) migration
(D) movement
Answer: (A) camouflage |
MCAS_2000_8_4 | Which is an example of a chemical change? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a rusting car fender",
"a spinning top",
"a spilled bucket of water",
"a melting popsicle"
]
} | A | Question: Which is an example of a chemical change?
(A) a rusting car fender
(B) a spinning top
(C) a spilled bucket of water
(D) a melting popsicle
| Answer: (A) a rusting car fender | Answer: (C) a spilled bucket of water | Question: Which is an example of a chemical change?
(A) a rusting car fender
(B) a spinning top
(C) a spilled bucket of water
(D) a melting popsicle
Answer: (A) a rusting car fender |
Mercury_SC_414016 | Which statement is describing climate? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"It snowed 12 centimeters last night.",
"Last winter was colder than normal.",
"There is a thunderstorm watch for the local area.",
"The temperature will be between 32°C and 37°C all week."
]
} | B | Question: Which statement is describing climate?
(A) It snowed 12 centimeters last night.
(B) Last winter was colder than normal.
(C) There is a thunderstorm watch for the local area.
(D) The temperature will be between 32°C and 37°C all week.
| Answer: (B) Last winter was colder than normal. | Answer: (A) It snowed 12 centimeters last night. | Question: Which statement is describing climate?
(A) It snowed 12 centimeters last night.
(B) Last winter was colder than normal.
(C) There is a thunderstorm watch for the local area.
(D) The temperature will be between 32°C and 37°C all week.
Answer: (B) Last winter was colder than normal. |
Mercury_404792 | Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize trees is based on the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"types of nutrients needed to grow.",
"amount of oxygen that is released into the air.",
"color of leaves that are produced.",
"type of fruit that is produced."
]
} | D | Question: Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize trees is based on the
(A) types of nutrients needed to grow.
(B) amount of oxygen that is released into the air.
(C) color of leaves that are produced.
(D) type of fruit that is produced.
| Answer: (D) type of fruit that is produced. | Answer: (C) color of leaves that are produced. | Question: Scientists have categorized trees based on whether they keep or lose their leaves each year. Another logical way to categorize trees is based on the
(A) types of nutrients needed to grow.
(B) amount of oxygen that is released into the air.
(C) color of leaves that are produced.
(D) type of fruit that is produced.
Answer: (D) type of fruit that is produced. |
NYSEDREGENTS_2011_8_39 | Which resource is considered nonrenewable? | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"wind power",
"solar energy",
"moving water",
"fossil fuels"
]
} | 4 | Question: Which resource is considered nonrenewable?
(1) wind power
(2) solar energy
(3) moving water
(4) fossil fuels
| Answer: (4) fossil fuels | Answer: (2) solar energy | Question: Which resource is considered nonrenewable?
(1) wind power
(2) solar energy
(3) moving water
(4) fossil fuels
Answer: (4) fossil fuels |
NYSEDREGENTS_2006_8_11 | Sand and iron particles that are similar in size and color are mixed together in a beaker. What would be the best method of separating the particles? | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"Use tweezers to separate them.",
"Use a magnet to separate them.",
"Add water to the mixture.",
"Pour the mixture into a filter."
]
} | 2 | Question: Sand and iron particles that are similar in size and color are mixed together in a beaker. What would be the best method of separating the particles?
(1) Use tweezers to separate them.
(2) Use a magnet to separate them.
(3) Add water to the mixture.
(4) Pour the mixture into a filter.
| Answer: (2) Use a magnet to separate them. | Answer: (1) Use tweezers to separate them. | Question: Sand and iron particles that are similar in size and color are mixed together in a beaker. What would be the best method of separating the particles?
(1) Use tweezers to separate them.
(2) Use a magnet to separate them.
(3) Add water to the mixture.
(4) Pour the mixture into a filter.
Answer: (2) Use a magnet to separate them. |
MCAS_2005_5_28 | Which habitat on Earth would probably 28 add the greatest amount of water to the water cycle through evaporation? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"cold lake",
"desert sand",
"warm ocean",
"mountain rock"
]
} | C | Question: Which habitat on Earth would probably 28 add the greatest amount of water to the water cycle through evaporation?
(A) cold lake
(B) desert sand
(C) warm ocean
(D) mountain rock
| Answer: (C) warm ocean | Answer: (B) desert sand | Question: Which habitat on Earth would probably 28 add the greatest amount of water to the water cycle through evaporation?
(A) cold lake
(B) desert sand
(C) warm ocean
(D) mountain rock
Answer: (C) warm ocean |
Mercury_7207235 | Which of these actions will change a sedimentary rock, such as limestone, into a metamorphic rock, such as marble? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"pressure from a glacier",
"heat from magma",
"erosion from flowing water",
"radiation from the Sun"
]
} | B | Question: Which of these actions will change a sedimentary rock, such as limestone, into a metamorphic rock, such as marble?
(A) pressure from a glacier
(B) heat from magma
(C) erosion from flowing water
(D) radiation from the Sun
| Answer: (B) heat from magma | Answer: (D) radiation from the Sun | Question: Which of these actions will change a sedimentary rock, such as limestone, into a metamorphic rock, such as marble?
(A) pressure from a glacier
(B) heat from magma
(C) erosion from flowing water
(D) radiation from the Sun
Answer: (B) heat from magma |
Mercury_400635 | A loaf of bread is baking in a pan in a 350° F oven. What would cause a burn to a hand the quickest because of its low specific heat? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the metal pan",
"the air in the oven",
"the surface of the bread",
"the outside of the oven door"
]
} | A | Question: A loaf of bread is baking in a pan in a 350° F oven. What would cause a burn to a hand the quickest because of its low specific heat?
(A) the metal pan
(B) the air in the oven
(C) the surface of the bread
(D) the outside of the oven door
| Answer: (A) the metal pan | Answer: (C) the surface of the bread | Question: A loaf of bread is baking in a pan in a 350° F oven. What would cause a burn to a hand the quickest because of its low specific heat?
(A) the metal pan
(B) the air in the oven
(C) the surface of the bread
(D) the outside of the oven door
Answer: (A) the metal pan |
Mercury_SC_414042 | A student poured some sugar into a glass of water. After the water was stirred, no solid sugar remained in the glass. Which statement best describes what happened? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The sugar reacted with water to form elements.",
"The sugar reacted with water to form a mixture.",
"The sugar dissolved in water to form a solution.",
"The sugar dissolved in water to form compounds."
]
} | C | Question: A student poured some sugar into a glass of water. After the water was stirred, no solid sugar remained in the glass. Which statement best describes what happened?
(A) The sugar reacted with water to form elements.
(B) The sugar reacted with water to form a mixture.
(C) The sugar dissolved in water to form a solution.
(D) The sugar dissolved in water to form compounds.
| Answer: (C) The sugar dissolved in water to form a solution. | Answer: (D) The sugar dissolved in water to form compounds. | Question: A student poured some sugar into a glass of water. After the water was stirred, no solid sugar remained in the glass. Which statement best describes what happened?
(A) The sugar reacted with water to form elements.
(B) The sugar reacted with water to form a mixture.
(C) The sugar dissolved in water to form a solution.
(D) The sugar dissolved in water to form compounds.
Answer: (C) The sugar dissolved in water to form a solution. |
Mercury_7085960 | The magnitude of the gravitational force between two planets depends on the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"speed the planets rotate.",
"other nearby planets.",
"volume of the planets.",
"distance between the planets."
]
} | D | Question: The magnitude of the gravitational force between two planets depends on the
(A) speed the planets rotate.
(B) other nearby planets.
(C) volume of the planets.
(D) distance between the planets.
| Answer: (D) distance between the planets. | Answer: (B) other nearby planets. | Question: The magnitude of the gravitational force between two planets depends on the
(A) speed the planets rotate.
(B) other nearby planets.
(C) volume of the planets.
(D) distance between the planets.
Answer: (D) distance between the planets. |
TIMSS_2003_8_pg86 | The fossils that are found in the oldest layers of sedimentary rock were formed which types of organisms? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"only organisms that lived in the sea",
"only organisms that lived on land",
"only organisms that lived in the air",
"organisms that lived on the land, in the sea and in the air"
]
} | A | Question: The fossils that are found in the oldest layers of sedimentary rock were formed which types of organisms?
(A) only organisms that lived in the sea
(B) only organisms that lived on land
(C) only organisms that lived in the air
(D) organisms that lived on the land, in the sea and in the air
| Answer: (A) only organisms that lived in the sea | Answer: (B) only organisms that lived on land | Question: The fossils that are found in the oldest layers of sedimentary rock were formed which types of organisms?
(A) only organisms that lived in the sea
(B) only organisms that lived on land
(C) only organisms that lived in the air
(D) organisms that lived on the land, in the sea and in the air
Answer: (A) only organisms that lived in the sea |
Mercury_SC_401292 | A snail's shell provides the snail with | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"food.",
"energy.",
"protection.",
"transportation."
]
} | C | Question: A snail's shell provides the snail with
(A) food.
(B) energy.
(C) protection.
(D) transportation.
| Answer: (C) protection. | Answer: (D) transportation. | Question: A snail's shell provides the snail with
(A) food.
(B) energy.
(C) protection.
(D) transportation.
Answer: (C) protection. |
NYSEDREGENTS_2009_4_19 | Since green plants make their own food, they are called | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"predators",
"prey",
"decomposers",
"producers"
]
} | D | Question: Since green plants make their own food, they are called
(A) predators
(B) prey
(C) decomposers
(D) producers
| Answer: (D) producers | Answer: (B) prey | Question: Since green plants make their own food, they are called
(A) predators
(B) prey
(C) decomposers
(D) producers
Answer: (D) producers |
Mercury_7018130 | Which metalloid is used in solar cells and computer chips? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"silicon",
"silver",
"arsenic",
"antimony"
]
} | A | Question: Which metalloid is used in solar cells and computer chips?
(A) silicon
(B) silver
(C) arsenic
(D) antimony
| Answer: (A) silicon | Answer: (B) silver | Question: Which metalloid is used in solar cells and computer chips?
(A) silicon
(B) silver
(C) arsenic
(D) antimony
Answer: (A) silicon |
MCAS_2003_8_2 | The best evidence that two land areas were once connected is the discovery that both land masses | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"have the same climate.",
"are in the same stage of succession.",
"exist along the same line of longitude.",
"have similar types of rocks and fossils."
]
} | D | Question: The best evidence that two land areas were once connected is the discovery that both land masses
(A) have the same climate.
(B) are in the same stage of succession.
(C) exist along the same line of longitude.
(D) have similar types of rocks and fossils.
| Answer: (D) have similar types of rocks and fossils. | Answer: (B) are in the same stage of succession. | Question: The best evidence that two land areas were once connected is the discovery that both land masses
(A) have the same climate.
(B) are in the same stage of succession.
(C) exist along the same line of longitude.
(D) have similar types of rocks and fossils.
Answer: (D) have similar types of rocks and fossils. |
MCAS_2007_5_4795 | Rachel purchased a kit for making a skateboard ramp. Which of the following is most important to have for putting the ramp together? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a picture showing the colors of different ramp parts",
"a diagram showing some ways to use the ramp",
"a list of prices for other available kits",
"a set of instructions for the kit materials"
]
} | D | Question: Rachel purchased a kit for making a skateboard ramp. Which of the following is most important to have for putting the ramp together?
(A) a picture showing the colors of different ramp parts
(B) a diagram showing some ways to use the ramp
(C) a list of prices for other available kits
(D) a set of instructions for the kit materials
| Answer: (D) a set of instructions for the kit materials | Answer: (B) a diagram showing some ways to use the ramp | Question: Rachel purchased a kit for making a skateboard ramp. Which of the following is most important to have for putting the ramp together?
(A) a picture showing the colors of different ramp parts
(B) a diagram showing some ways to use the ramp
(C) a list of prices for other available kits
(D) a set of instructions for the kit materials
Answer: (D) a set of instructions for the kit materials |
MCAS_2004_8_9 | What is the smallest particle of the element gold (Au) that can still be classified as gold? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"atom",
"molecule",
"neutron",
"proton"
]
} | A | Question: What is the smallest particle of the element gold (Au) that can still be classified as gold?
(A) atom
(B) molecule
(C) neutron
(D) proton
| Answer: (A) atom | Answer: (B) molecule | Question: What is the smallest particle of the element gold (Au) that can still be classified as gold?
(A) atom
(B) molecule
(C) neutron
(D) proton
Answer: (A) atom |
Mercury_7029925 | Which best describes the function of the small intestine? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"oxygenation of tissue",
"excretion of toxic wastes",
"transportation of blood cells",
"digestion and absorption of food"
]
} | D | Question: Which best describes the function of the small intestine?
(A) oxygenation of tissue
(B) excretion of toxic wastes
(C) transportation of blood cells
(D) digestion and absorption of food
| Answer: (D) digestion and absorption of food | Answer: (C) transportation of blood cells | Question: Which best describes the function of the small intestine?
(A) oxygenation of tissue
(B) excretion of toxic wastes
(C) transportation of blood cells
(D) digestion and absorption of food
Answer: (D) digestion and absorption of food |
LEAP__7_10340 | A forest is flooded when a natural dam breaks, leaving the forest floor under two meters of water. Which animal is most affected by the flooding? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a crow",
"a rabbit",
"a squirrel",
"a butterfly"
]
} | B | Question: A forest is flooded when a natural dam breaks, leaving the forest floor under two meters of water. Which animal is most affected by the flooding?
(A) a crow
(B) a rabbit
(C) a squirrel
(D) a butterfly
| Answer: (B) a rabbit | Answer: (C) a squirrel | Question: A forest is flooded when a natural dam breaks, leaving the forest floor under two meters of water. Which animal is most affected by the flooding?
(A) a crow
(B) a rabbit
(C) a squirrel
(D) a butterfly
Answer: (B) a rabbit |
NYSEDREGENTS_2016_4_26 | Which object will most likely be attracted to a magnet? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"wooden block",
"plastic cup",
"metal nail",
"glass bead"
]
} | C | Question: Which object will most likely be attracted to a magnet?
(A) wooden block
(B) plastic cup
(C) metal nail
(D) glass bead
| Answer: (C) metal nail | Answer: (A) wooden block | Question: Which object will most likely be attracted to a magnet?
(A) wooden block
(B) plastic cup
(C) metal nail
(D) glass bead
Answer: (C) metal nail |
Mercury_SC_415533 | At what temperature does pure water boil? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"0°C",
"32°C",
"100°C",
"212°C"
]
} | C | Question: At what temperature does pure water boil?
(A) 0°C
(B) 32°C
(C) 100°C
(D) 212°C
| Answer: (C) 100°C | Answer: (A) 0°C | Question: At what temperature does pure water boil?
(A) 0°C
(B) 32°C
(C) 100°C
(D) 212°C
Answer: (C) 100°C |
Mercury_179603 | Animals that eat both plant matter and meat are referred to as | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"decomposers.",
"scavengers.",
"herbivores.",
"omnivores."
]
} | D | Question: Animals that eat both plant matter and meat are referred to as
(A) decomposers.
(B) scavengers.
(C) herbivores.
(D) omnivores.
| Answer: (D) omnivores. | Answer: (C) herbivores. | Question: Animals that eat both plant matter and meat are referred to as
(A) decomposers.
(B) scavengers.
(C) herbivores.
(D) omnivores.
Answer: (D) omnivores. |
OHAT_2008_5_18 | Corals are animals that live in tropical oceans. Fossils of corals are found in Ohio. What does the presence of coral fossils suggest about how the environment of Ohio has changed over time? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Ohio was once covered by warm seas.",
"A large glacier once passed over Ohio.",
"The average rainfall in Ohio is now much more than it once was.",
"The average temperature in Ohio is now much warmer than it."
]
} | A | Question: Corals are animals that live in tropical oceans. Fossils of corals are found in Ohio. What does the presence of coral fossils suggest about how the environment of Ohio has changed over time?
(A) Ohio was once covered by warm seas.
(B) A large glacier once passed over Ohio.
(C) The average rainfall in Ohio is now much more than it once was.
(D) The average temperature in Ohio is now much warmer than it.
| Answer: (A) Ohio was once covered by warm seas. | Answer: (D) The average temperature in Ohio is now much warmer than it. | Question: Corals are animals that live in tropical oceans. Fossils of corals are found in Ohio. What does the presence of coral fossils suggest about how the environment of Ohio has changed over time?
(A) Ohio was once covered by warm seas.
(B) A large glacier once passed over Ohio.
(C) The average rainfall in Ohio is now much more than it once was.
(D) The average temperature in Ohio is now much warmer than it.
Answer: (A) Ohio was once covered by warm seas. |
AIMS_2009_4_6 | Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Metal doesn't get hot and melt when you plug it into the outlet.",
"Metal is strong and is less likely to break when you plug it into the outlet.",
"Metal is an insulator and prevents shocks when you plug it into the outlet.",
"Metal is a conductor and completes a circuit when you plug it into the outlet."
]
} | D | Question: Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?
(A) Metal doesn't get hot and melt when you plug it into the outlet.
(B) Metal is strong and is less likely to break when you plug it into the outlet.
(C) Metal is an insulator and prevents shocks when you plug it into the outlet.
(D) Metal is a conductor and completes a circuit when you plug it into the outlet.
| Answer: (D) Metal is a conductor and completes a circuit when you plug it into the outlet. | Answer: (C) Metal is an insulator and prevents shocks when you plug it into the outlet. | Question: Alex looked at an electric toothbrush that had a plug with three metal prongs. Why are these prongs made out of metal?
(A) Metal doesn't get hot and melt when you plug it into the outlet.
(B) Metal is strong and is less likely to break when you plug it into the outlet.
(C) Metal is an insulator and prevents shocks when you plug it into the outlet.
(D) Metal is a conductor and completes a circuit when you plug it into the outlet.
Answer: (D) Metal is a conductor and completes a circuit when you plug it into the outlet. |
MCAS_2006_8_4 | Where is an igneous rock such as pumice most likely formed? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"in a desert",
"in a creek bed",
"near a volcano",
"under a glacier"
]
} | C | Question: Where is an igneous rock such as pumice most likely formed?
(A) in a desert
(B) in a creek bed
(C) near a volcano
(D) under a glacier
| Answer: (C) near a volcano | Answer: (A) in a desert | Question: Where is an igneous rock such as pumice most likely formed?
(A) in a desert
(B) in a creek bed
(C) near a volcano
(D) under a glacier
Answer: (C) near a volcano |
Mercury_SC_LBS10908 | Why are many telescopes used far from cities? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The light from the cities makes it hard to see stars.",
"The noise from the cities vibrates the telescopes.",
"The power lines from the cities produce interference waves.",
"The pollution from the cities reflects starlight."
]
} | A | Question: Why are many telescopes used far from cities?
(A) The light from the cities makes it hard to see stars.
(B) The noise from the cities vibrates the telescopes.
(C) The power lines from the cities produce interference waves.
(D) The pollution from the cities reflects starlight.
| Answer: (A) The light from the cities makes it hard to see stars. | Answer: (D) The pollution from the cities reflects starlight. | Question: Why are many telescopes used far from cities?
(A) The light from the cities makes it hard to see stars.
(B) The noise from the cities vibrates the telescopes.
(C) The power lines from the cities produce interference waves.
(D) The pollution from the cities reflects starlight.
Answer: (A) The light from the cities makes it hard to see stars. |
TIMSS_2007_4_pg29 | Where do plants get energy from to make food? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"air",
"soil",
"water",
"sunlight"
]
} | D | Question: Where do plants get energy from to make food?
(A) air
(B) soil
(C) water
(D) sunlight
| Answer: (D) sunlight | Answer: (C) water | Question: Where do plants get energy from to make food?
(A) air
(B) soil
(C) water
(D) sunlight
Answer: (D) sunlight |
MCAS_2002_5_18 | Which of the following is most likely to cause water to change from one state of matter to another state of matter? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"increased precipitation",
"the weathering of rocks",
"a decrease in wind speed",
"a change in air temperature"
]
} | D | Question: Which of the following is most likely to cause water to change from one state of matter to another state of matter?
(A) increased precipitation
(B) the weathering of rocks
(C) a decrease in wind speed
(D) a change in air temperature
| Answer: (D) a change in air temperature | Answer: (C) a decrease in wind speed | Question: Which of the following is most likely to cause water to change from one state of matter to another state of matter?
(A) increased precipitation
(B) the weathering of rocks
(C) a decrease in wind speed
(D) a change in air temperature
Answer: (D) a change in air temperature |
Mercury_7012985 | When a soccer player kicks a ball, which two systems work directly with the muscular system? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"immune and excretory",
"digestive and respiratory",
"nervous and skeletal",
"circulatory and integumentary"
]
} | C | Question: When a soccer player kicks a ball, which two systems work directly with the muscular system?
(A) immune and excretory
(B) digestive and respiratory
(C) nervous and skeletal
(D) circulatory and integumentary
| Answer: (C) nervous and skeletal | Answer: (D) circulatory and integumentary | Question: When a soccer player kicks a ball, which two systems work directly with the muscular system?
(A) immune and excretory
(B) digestive and respiratory
(C) nervous and skeletal
(D) circulatory and integumentary
Answer: (C) nervous and skeletal |
NYSEDREGENTS_2011_4_22 | Which two activities are carried out by all species of living things? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"make food and eliminate waste",
"hibernate and take in nutrients",
"grow and reproduce",
"migrate and seek shelter"
]
} | C | Question: Which two activities are carried out by all species of living things?
(A) make food and eliminate waste
(B) hibernate and take in nutrients
(C) grow and reproduce
(D) migrate and seek shelter
| Answer: (C) grow and reproduce | Answer: (A) make food and eliminate waste | Question: Which two activities are carried out by all species of living things?
(A) make food and eliminate waste
(B) hibernate and take in nutrients
(C) grow and reproduce
(D) migrate and seek shelter
Answer: (C) grow and reproduce |
Mercury_7216895 | Which best explains why a person infected with bacteria may have a fever? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The body is responding to fight off the bacteria.",
"The body is releasing waste material from the bacteria.",
"The body is producing hormones to kill the infection.",
"The body is reducing the blood supply to the infection site."
]
} | A | Question: Which best explains why a person infected with bacteria may have a fever?
(A) The body is responding to fight off the bacteria.
(B) The body is releasing waste material from the bacteria.
(C) The body is producing hormones to kill the infection.
(D) The body is reducing the blood supply to the infection site.
| Answer: (A) The body is responding to fight off the bacteria. | Answer: (C) The body is producing hormones to kill the infection. | Question: Which best explains why a person infected with bacteria may have a fever?
(A) The body is responding to fight off the bacteria.
(B) The body is releasing waste material from the bacteria.
(C) The body is producing hormones to kill the infection.
(D) The body is reducing the blood supply to the infection site.
Answer: (A) The body is responding to fight off the bacteria. |
Mercury_7148278 | Most of the concentration of which gas results from the activity of producer organisms? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nitrogen",
"oxygen",
"water vapor",
"carbon dioxide"
]
} | B | Question: Most of the concentration of which gas results from the activity of producer organisms?
(A) nitrogen
(B) oxygen
(C) water vapor
(D) carbon dioxide
| Answer: (B) oxygen | Answer: (D) carbon dioxide | Question: Most of the concentration of which gas results from the activity of producer organisms?
(A) nitrogen
(B) oxygen
(C) water vapor
(D) carbon dioxide
Answer: (B) oxygen |
Mercury_SC_407499 | What is determined by the speed that Earth rotates on its axis? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the length of a day",
"the energy that reaches a location",
"the temperature of water in the ocean",
"the number of seasons in a year"
]
} | A | Question: What is determined by the speed that Earth rotates on its axis?
(A) the length of a day
(B) the energy that reaches a location
(C) the temperature of water in the ocean
(D) the number of seasons in a year
| Answer: (A) the length of a day | Answer: (B) the energy that reaches a location | Question: What is determined by the speed that Earth rotates on its axis?
(A) the length of a day
(B) the energy that reaches a location
(C) the temperature of water in the ocean
(D) the number of seasons in a year
Answer: (A) the length of a day |
Mercury_7205485 | The spectrum of visible light can be seen in a rainbow because white light is | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"reflected and transmitted.",
"refracted and dispersed.",
"absorbed and diffracted.",
"produced and emitted."
]
} | B | Question: The spectrum of visible light can be seen in a rainbow because white light is
(A) reflected and transmitted.
(B) refracted and dispersed.
(C) absorbed and diffracted.
(D) produced and emitted.
| Answer: (B) refracted and dispersed. | Answer: (A) reflected and transmitted. | Question: The spectrum of visible light can be seen in a rainbow because white light is
(A) reflected and transmitted.
(B) refracted and dispersed.
(C) absorbed and diffracted.
(D) produced and emitted.
Answer: (B) refracted and dispersed. |
TIMSS_2003_4_pg70 | Kate sees a full moon. About how much time will go by before the next full moon? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"one week",
"two weeks",
"one month",
"one year"
]
} | C | Question: Kate sees a full moon. About how much time will go by before the next full moon?
(A) one week
(B) two weeks
(C) one month
(D) one year
| Answer: (C) one month | Answer: (D) one year | Question: Kate sees a full moon. About how much time will go by before the next full moon?
(A) one week
(B) two weeks
(C) one month
(D) one year
Answer: (C) one month |
Mercury_7086713 | The sediments found in a riverbed are most likely a result of which action on nearby rock? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"heat",
"faulting",
"pressure",
"weathering"
]
} | D | Question: The sediments found in a riverbed are most likely a result of which action on nearby rock?
(A) heat
(B) faulting
(C) pressure
(D) weathering
| Answer: (D) weathering | Answer: (C) pressure | Question: The sediments found in a riverbed are most likely a result of which action on nearby rock?
(A) heat
(B) faulting
(C) pressure
(D) weathering
Answer: (D) weathering |
Mercury_7018235 | The most common way humans contribute to the extinction of organisms is by | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"rotation of crops.",
"use of fertilizers.",
"destruction of habitat.",
"introduction of competing species."
]
} | C | Question: The most common way humans contribute to the extinction of organisms is by
(A) rotation of crops.
(B) use of fertilizers.
(C) destruction of habitat.
(D) introduction of competing species.
| Answer: (C) destruction of habitat. | Answer: (D) introduction of competing species. | Question: The most common way humans contribute to the extinction of organisms is by
(A) rotation of crops.
(B) use of fertilizers.
(C) destruction of habitat.
(D) introduction of competing species.
Answer: (C) destruction of habitat. |
LEAP__4_10223 | Which of the following is an example of matter changing state? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"heating a pan of water until the water is all gone",
"putting a soft-drink can in the refrigerator to cool it",
"heating soup on the stove until it is hot to your tongue",
"transferring sugar into a storage container"
]
} | A | Question: Which of the following is an example of matter changing state?
(A) heating a pan of water until the water is all gone
(B) putting a soft-drink can in the refrigerator to cool it
(C) heating soup on the stove until it is hot to your tongue
(D) transferring sugar into a storage container
| Answer: (A) heating a pan of water until the water is all gone | Answer: (C) heating soup on the stove until it is hot to your tongue | Question: Which of the following is an example of matter changing state?
(A) heating a pan of water until the water is all gone
(B) putting a soft-drink can in the refrigerator to cool it
(C) heating soup on the stove until it is hot to your tongue
(D) transferring sugar into a storage container
Answer: (A) heating a pan of water until the water is all gone |
Mercury_7143325 | A car runs out of fuel while traveling on a level road and eventually comes to a stop. Which of the following best explains why the car stops? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Some of the energy of the car was lost to friction.",
"Some of the energy of the car was destroyed.",
"The amount of kinetic energy increased.",
"The amount of useful energy increased."
]
} | A | Question: A car runs out of fuel while traveling on a level road and eventually comes to a stop. Which of the following best explains why the car stops?
(A) Some of the energy of the car was lost to friction.
(B) Some of the energy of the car was destroyed.
(C) The amount of kinetic energy increased.
(D) The amount of useful energy increased.
| Answer: (A) Some of the energy of the car was lost to friction. | Answer: (B) Some of the energy of the car was destroyed. | Question: A car runs out of fuel while traveling on a level road and eventually comes to a stop. Which of the following best explains why the car stops?
(A) Some of the energy of the car was lost to friction.
(B) Some of the energy of the car was destroyed.
(C) The amount of kinetic energy increased.
(D) The amount of useful energy increased.
Answer: (A) Some of the energy of the car was lost to friction. |
MCAS_2008_5_5611 | Which of the following best represents one particular stage in a life cycle? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a fish swimming",
"a seed sprouting",
"a leaf growing",
"a dog eating"
]
} | B | Question: Which of the following best represents one particular stage in a life cycle?
(A) a fish swimming
(B) a seed sprouting
(C) a leaf growing
(D) a dog eating
| Answer: (B) a seed sprouting | Answer: (C) a leaf growing | Question: Which of the following best represents one particular stage in a life cycle?
(A) a fish swimming
(B) a seed sprouting
(C) a leaf growing
(D) a dog eating
Answer: (B) a seed sprouting |
Mercury_7084630 | Which process of the water cycle transports water from plants to clouds? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"precipitation",
"transpiration",
"condensation",
"sublimation"
]
} | B | Question: Which process of the water cycle transports water from plants to clouds?
(A) precipitation
(B) transpiration
(C) condensation
(D) sublimation
| Answer: (B) transpiration | Answer: (A) precipitation | Question: Which process of the water cycle transports water from plants to clouds?
(A) precipitation
(B) transpiration
(C) condensation
(D) sublimation
Answer: (B) transpiration |
Mercury_7203280 | Sulfur scrubbers are devices installed in coal-fired power plants. Sulfur scrubbers reduce the emission of sulfur dioxide. What environmental problem are sulfur scrubbers most likely trying to address? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"ozone",
"erosion",
"acid rain",
"nutrient runoff"
]
} | C | Question: Sulfur scrubbers are devices installed in coal-fired power plants. Sulfur scrubbers reduce the emission of sulfur dioxide. What environmental problem are sulfur scrubbers most likely trying to address?
(A) ozone
(B) erosion
(C) acid rain
(D) nutrient runoff
| Answer: (C) acid rain | Answer: (A) ozone | Question: Sulfur scrubbers are devices installed in coal-fired power plants. Sulfur scrubbers reduce the emission of sulfur dioxide. What environmental problem are sulfur scrubbers most likely trying to address?
(A) ozone
(B) erosion
(C) acid rain
(D) nutrient runoff
Answer: (C) acid rain |
NCEOGA_2013_5_34 | Which system of the human body provides protection to most of the major organs? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"skeletal system",
"circulatory system",
"respiratory system",
"muscular system"
]
} | A | Question: Which system of the human body provides protection to most of the major organs?
(A) skeletal system
(B) circulatory system
(C) respiratory system
(D) muscular system
| Answer: (A) skeletal system | Answer: (D) muscular system | Question: Which system of the human body provides protection to most of the major organs?
(A) skeletal system
(B) circulatory system
(C) respiratory system
(D) muscular system
Answer: (A) skeletal system |
Mercury_7043120 | A scientist developed a model that described the actions of DNA in the cell nuclei, which helped explain how traits were inherited. Which scientist helped develop this model? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Bohr",
"Hooke",
"Mendel",
"Watson"
]
} | D | Question: A scientist developed a model that described the actions of DNA in the cell nuclei, which helped explain how traits were inherited. Which scientist helped develop this model?
(A) Bohr
(B) Hooke
(C) Mendel
(D) Watson
| Answer: (D) Watson | Answer: (B) Hooke | Question: A scientist developed a model that described the actions of DNA in the cell nuclei, which helped explain how traits were inherited. Which scientist helped develop this model?
(A) Bohr
(B) Hooke
(C) Mendel
(D) Watson
Answer: (D) Watson |
VASoL_2010_5_31 | Which item is designed to change electrical energy into heat energy? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Alarm clock",
"Hand dryer",
"Fan",
"Telephone"
]
} | B | Question: Which item is designed to change electrical energy into heat energy?
(A) Alarm clock
(B) Hand dryer
(C) Fan
(D) Telephone
| Answer: (B) Hand dryer | Answer: (C) Fan | Question: Which item is designed to change electrical energy into heat energy?
(A) Alarm clock
(B) Hand dryer
(C) Fan
(D) Telephone
Answer: (B) Hand dryer |
Mercury_7015610 | Which characteristic is the best example of an inherited trait? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"eye color",
"an infection",
"knowledge of soccer",
"length of hair"
]
} | A | Question: Which characteristic is the best example of an inherited trait?
(A) eye color
(B) an infection
(C) knowledge of soccer
(D) length of hair
| Answer: (A) eye color | Answer: (D) length of hair | Question: Which characteristic is the best example of an inherited trait?
(A) eye color
(B) an infection
(C) knowledge of soccer
(D) length of hair
Answer: (A) eye color |
ACTAAP_2007_7_1 | Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"theory, hypothesis, law",
"hypothesis, law, theory",
"theory, law, hypothesis",
"hypothesis, theory, law"
]
} | D | Question: Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested?
(A) theory, hypothesis, law
(B) hypothesis, law, theory
(C) theory, law, hypothesis
(D) hypothesis, theory, law
| Answer: (D) hypothesis, theory, law | Answer: (B) hypothesis, law, theory | Question: Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested?
(A) theory, hypothesis, law
(B) hypothesis, law, theory
(C) theory, law, hypothesis
(D) hypothesis, theory, law
Answer: (D) hypothesis, theory, law |
Mercury_400686 | The metal lid on a glass jar is hard to open, so it is held under warm, running water. What causes the jar to open easily after it was held under the water? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The water increased the pressure under the lid.",
"The jar shrunk with the warm water.",
"The water acted as a lubricant between the glass and the metal.",
"The metal lid expanded under warm water."
]
} | D | Question: The metal lid on a glass jar is hard to open, so it is held under warm, running water. What causes the jar to open easily after it was held under the water?
(A) The water increased the pressure under the lid.
(B) The jar shrunk with the warm water.
(C) The water acted as a lubricant between the glass and the metal.
(D) The metal lid expanded under warm water.
| Answer: (D) The metal lid expanded under warm water. | Answer: (A) The water increased the pressure under the lid. | Question: The metal lid on a glass jar is hard to open, so it is held under warm, running water. What causes the jar to open easily after it was held under the water?
(A) The water increased the pressure under the lid.
(B) The jar shrunk with the warm water.
(C) The water acted as a lubricant between the glass and the metal.
(D) The metal lid expanded under warm water.
Answer: (D) The metal lid expanded under warm water. |