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Mercury_7043838 | What is the main source of energy that drives all weather patterns? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the Sun",
"oceans",
"the Moon",
"mountains"
]
} | A | Question: What is the main source of energy that drives all weather patterns?
(A) the Sun
(B) oceans
(C) the Moon
(D) mountains
| Answer: (A) the Sun | Answer: (B) oceans | Question: What is the main source of energy that drives all weather patterns?
(A) the Sun
(B) oceans
(C) the Moon
(D) mountains
Answer: (A) the Sun |
Mercury_7001838 | Which property of an element is determined by adding the number of protons and number of neutrons? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"atomic mass",
"atomic radius",
"electrical charge",
"electrical potential"
]
} | A | Question: Which property of an element is determined by adding the number of protons and number of neutrons?
(A) atomic mass
(B) atomic radius
(C) electrical charge
(D) electrical potential
| Answer: (A) atomic mass | Answer: (C) electrical charge | Question: Which property of an element is determined by adding the number of protons and number of neutrons?
(A) atomic mass
(B) atomic radius
(C) electrical charge
(D) electrical potential
Answer: (A) atomic mass |
ACTAAP_2013_5_15 | Compared to other stars in our galaxy, which is the best description of our Sun? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"larger size, higher temperature",
"smaller size, higher temperature",
"larger size, average temperature",
"average size, average temperature"
]
} | D | Question: Compared to other stars in our galaxy, which is the best description of our Sun?
(A) larger size, higher temperature
(B) smaller size, higher temperature
(C) larger size, average temperature
(D) average size, average temperature
| Answer: (D) average size, average temperature | Answer: (B) smaller size, higher temperature | Question: Compared to other stars in our galaxy, which is the best description of our Sun?
(A) larger size, higher temperature
(B) smaller size, higher temperature
(C) larger size, average temperature
(D) average size, average temperature
Answer: (D) average size, average temperature |
null | null | null | null | null | null | null | Some dandelions have health benefits. |
MCAS_2001_8_7 | When igneous rock is changed into metamorphic rock, which form of energy is this process? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"heat",
"chemical",
"magnetic",
"light"
]
} | A | Question: When igneous rock is changed into metamorphic rock, which form of energy is this process?
(A) heat
(B) chemical
(C) magnetic
(D) light
| Answer: (A) heat | Answer: (D) light | Question: When igneous rock is changed into metamorphic rock, which form of energy is this process?
(A) heat
(B) chemical
(C) magnetic
(D) light
Answer: (A) heat |
null | null | null | null | null | null | null | Most electric charge uses energy. |
null | null | null | null | null | null | null | Cell type-specific rescue experiments indicate that the regulation of roaming and dwelling is distributed among multiple sensory neurons. |
null | null | null | null | null | null | null | Some mothers share patterns. |
MCAS_2007_8_5186 | Which of the following is a characteristic of all chemical changes? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"A different state of matter is produced.",
"Some mass is converted to energy.",
"Some form of light is given off.",
"A new material is formed."
]
} | D | Question: Which of the following is a characteristic of all chemical changes?
(A) A different state of matter is produced.
(B) Some mass is converted to energy.
(C) Some form of light is given off.
(D) A new material is formed.
| Answer: (D) A new material is formed. | Answer: (A) A different state of matter is produced. | Question: Which of the following is a characteristic of all chemical changes?
(A) A different state of matter is produced.
(B) Some mass is converted to energy.
(C) Some form of light is given off.
(D) A new material is formed.
Answer: (D) A new material is formed. |
Mercury_SC_408364 | Tim and Carla play catch with a ball. Which term describes the motion of a ball? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"shape",
"size",
"speed",
"weight"
]
} | C | Question: Tim and Carla play catch with a ball. Which term describes the motion of a ball?
(A) shape
(B) size
(C) speed
(D) weight
| Answer: (C) speed | Answer: (D) weight | Question: Tim and Carla play catch with a ball. Which term describes the motion of a ball?
(A) shape
(B) size
(C) speed
(D) weight
Answer: (C) speed |
null | null | null | null | null | null | null | They pick insects off of foliage |
null | null | null | null | null | null | null | Though these two populations spend a period of the year in the same place, and though there was evidence of gene flow between them, the difference in prey–habitat specialization has been sufficient to maintain genetic and even coloration divergence. |
Mercury_7168840 | A factory in Japan had been dumping mercury into Minamata Bay. Certain microorganisms in the water were able to change the mercury into a form that the plankton could use. Which most likely happened next? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The organisms built up a resistance to the mercury.",
"The mercury passed through the food chain.",
"The plankton made the mercury safe.",
"The fish would not eat the plankton."
]
} | B | Question: A factory in Japan had been dumping mercury into Minamata Bay. Certain microorganisms in the water were able to change the mercury into a form that the plankton could use. Which most likely happened next?
(A) The organisms built up a resistance to the mercury.
(B) The mercury passed through the food chain.
(C) The plankton made the mercury safe.
(D) The fish would not eat the plankton.
| Answer: (B) The mercury passed through the food chain. | Answer: (A) The organisms built up a resistance to the mercury. | Question: A factory in Japan had been dumping mercury into Minamata Bay. Certain microorganisms in the water were able to change the mercury into a form that the plankton could use. Which most likely happened next?
(A) The organisms built up a resistance to the mercury.
(B) The mercury passed through the food chain.
(C) The plankton made the mercury safe.
(D) The fish would not eat the plankton.
Answer: (B) The mercury passed through the food chain. |
Mercury_7024920 | In the lab, students are working with substances that could cause burns. Which of these safety precautions is most important to follow? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Sinks are empty.",
"Glassware is clean.",
"Eye protection is worn.",
"Electrical equipment is off."
]
} | C | Question: In the lab, students are working with substances that could cause burns. Which of these safety precautions is most important to follow?
(A) Sinks are empty.
(B) Glassware is clean.
(C) Eye protection is worn.
(D) Electrical equipment is off.
| Answer: (C) Eye protection is worn. | Answer: (A) Sinks are empty. | Question: In the lab, students are working with substances that could cause burns. Which of these safety precautions is most important to follow?
(A) Sinks are empty.
(B) Glassware is clean.
(C) Eye protection is worn.
(D) Electrical equipment is off.
Answer: (C) Eye protection is worn. |
null | null | null | null | null | null | null | If this happens, natural selection may favor individuals with the adaptive mutation. |
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. |
Mercury_7213185 | Which of these geographic features most directly influences the climate of Nevada by limiting the amount of water vapor that can reach the state and fall as rain? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Pacific Ocean",
"Colorado River",
"Sierra Nevada Mountains",
"Columbia River Basin"
]
} | C | Question: Which of these geographic features most directly influences the climate of Nevada by limiting the amount of water vapor that can reach the state and fall as rain?
(A) Pacific Ocean
(B) Colorado River
(C) Sierra Nevada Mountains
(D) Columbia River Basin
| Answer: (C) Sierra Nevada Mountains | Answer: (A) Pacific Ocean | Question: Which of these geographic features most directly influences the climate of Nevada by limiting the amount of water vapor that can reach the state and fall as rain?
(A) Pacific Ocean
(B) Colorado River
(C) Sierra Nevada Mountains
(D) Columbia River Basin
Answer: (C) Sierra Nevada Mountains |
MCAS_2008_5_5635 | Many bacteria are decomposer organisms. Which of the following statements best describes how these bacteria help make soil more fertile? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The bacteria break down water into food.",
"The bacteria change sunlight into minerals.",
"The bacteria combine with sand to form rocks.",
"The bacteria break down plant and animal matter."
]
} | D | Question: Many bacteria are decomposer organisms. Which of the following statements best describes how these bacteria help make soil more fertile?
(A) The bacteria break down water into food.
(B) The bacteria change sunlight into minerals.
(C) The bacteria combine with sand to form rocks.
(D) The bacteria break down plant and animal matter.
| Answer: (D) The bacteria break down plant and animal matter. | Answer: (B) The bacteria change sunlight into minerals. | Question: Many bacteria are decomposer organisms. Which of the following statements best describes how these bacteria help make soil more fertile?
(A) The bacteria break down water into food.
(B) The bacteria change sunlight into minerals.
(C) The bacteria combine with sand to form rocks.
(D) The bacteria break down plant and animal matter.
Answer: (D) The bacteria break down plant and animal matter. |
Mercury_7081795 | Which is a major organ of the nervous system? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"brain",
"stomach",
"lung",
"bone"
]
} | A | Question: Which is a major organ of the nervous system?
(A) brain
(B) stomach
(C) lung
(D) bone
| Answer: (A) brain | Answer: (B) stomach | Question: Which is a major organ of the nervous system?
(A) brain
(B) stomach
(C) lung
(D) bone
Answer: (A) brain |
Mercury_SC_400326 | Birds eat non-camouflaged moths at a higher rate than they eat camouflaged moths. In which situation would birds eat the moths at the slowest rate? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"dark moths in any environment",
"light moths in any environment",
"dark moths in a light environment",
"light moths in a light environment"
]
} | D | Question: Birds eat non-camouflaged moths at a higher rate than they eat camouflaged moths. In which situation would birds eat the moths at the slowest rate?
(A) dark moths in any environment
(B) light moths in any environment
(C) dark moths in a light environment
(D) light moths in a light environment
| Answer: (D) light moths in a light environment | Answer: (C) dark moths in a light environment | Question: Birds eat non-camouflaged moths at a higher rate than they eat camouflaged moths. In which situation would birds eat the moths at the slowest rate?
(A) dark moths in any environment
(B) light moths in any environment
(C) dark moths in a light environment
(D) light moths in a light environment
Answer: (D) light moths in a light environment |
null | null | null | null | null | null | null | Strong teeth are found in those fishes which feed on crabs or sea urchins. |
null | null | null | null | null | null | null | Question: What did John and the speaker develop over the years?
(A) language
(B) sign
(C) code
(D) symbol
Answer: (B) sign |
null | null | null | null | null | null | null | Some of these limestone rocks become exposed above the sea. |
null | null | null | null | null | null | null | The classification of all organisms based on shared characteristics; changes as new discoveries are made. |
null | null | null | null | null | null | null | Most live arthropods have heads. |
Mercury_406774 | Organisms that reproduce asexually generally have offspring that are | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"unicellular.",
"multicellular.",
"genetically varied.",
"genetically identical."
]
} | D | Question: Organisms that reproduce asexually generally have offspring that are
(A) unicellular.
(B) multicellular.
(C) genetically varied.
(D) genetically identical.
| Answer: (D) genetically identical. | Answer: (C) genetically varied. | Question: Organisms that reproduce asexually generally have offspring that are
(A) unicellular.
(B) multicellular.
(C) genetically varied.
(D) genetically identical.
Answer: (D) genetically identical. |
null | null | null | null | null | null | null | DNA crosses over and nonsister chromatids break and rejoin to the others DNA, there is also a movement of centrosomes, breaksown of the nuclear envelope and dispersal of nucleoli. |
null | null | null | null | null | null | null | Geographicdistribution of the three major amphibian taxa differs. |
null | null | null | null | null | null | null | Some human activities have direct impact. |
MCAS_2015_5_4 | Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Decomposition adds silt to soil.",
"Decomposition adds water to soil.",
"Decomposition adds oxygen to soil.",
"Decomposition adds nutrients to soil."
]
} | D | Question: Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils?
(A) Decomposition adds silt to soil.
(B) Decomposition adds water to soil.
(C) Decomposition adds oxygen to soil.
(D) Decomposition adds nutrients to soil.
| Answer: (D) Decomposition adds nutrients to soil. | Answer: (B) Decomposition adds water to soil. | Question: Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils?
(A) Decomposition adds silt to soil.
(B) Decomposition adds water to soil.
(C) Decomposition adds oxygen to soil.
(D) Decomposition adds nutrients to soil.
Answer: (D) Decomposition adds nutrients to soil. |
null | null | null | null | null | null | null | Their mainly vegetarian diet is supplemented with insects, grubs, eggs, baby birds, and sometimes rodents and hares. |
Mercury_7130795 | When two bumper cars collide, some of the kinetic energy of the cars is transformed. Which form of energy is most likely formed as a result of this collision? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"electrical",
"electromagnetic",
"magnetic",
"sound"
]
} | D | Question: When two bumper cars collide, some of the kinetic energy of the cars is transformed. Which form of energy is most likely formed as a result of this collision?
(A) electrical
(B) electromagnetic
(C) magnetic
(D) sound
| Answer: (D) sound | Answer: (A) electrical | Question: When two bumper cars collide, some of the kinetic energy of the cars is transformed. Which form of energy is most likely formed as a result of this collision?
(A) electrical
(B) electromagnetic
(C) magnetic
(D) sound
Answer: (D) sound |
null | null | null | null | null | null | null | Some mechanisms have experimental evidence. |
null | null | null | null | null | null | null | most of Earth is covered by water; |
null | null | null | null | null | null | null | There are around 12 000 types of ferns that differ in size, morphology and type of habitat. |
null | null | null | null | null | null | null | T or F: Metacentric chromosomes have a centromere located closer to one end of the chromosome. |
null | null | null | null | null | null | null | Some animals show same behaviour. |
null | null | null | null | null | null | null | The number of extant species known is about 700. |
MCAS_2007_8_5184 | Which of the following best describes a role of mushrooms in ecosystems? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"capturing energy from sunlight",
"consuming living plant material",
"taking energy from animal hosts",
"breaking down dead plant material"
]
} | D | Question: Which of the following best describes a role of mushrooms in ecosystems?
(A) capturing energy from sunlight
(B) consuming living plant material
(C) taking energy from animal hosts
(D) breaking down dead plant material
| Answer: (D) breaking down dead plant material | Answer: (A) capturing energy from sunlight | Question: Which of the following best describes a role of mushrooms in ecosystems?
(A) capturing energy from sunlight
(B) consuming living plant material
(C) taking energy from animal hosts
(D) breaking down dead plant material
Answer: (D) breaking down dead plant material |
null | null | null | null | null | null | null | More recent studies have shown that plant diversity and associated changes in plant species composition also affect ecosystem processes governed by higher trophic levels, such as decomposition and herbivory [7] – [10] . |
MCAS_2008_8_5706 | New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"millimeters",
"centimeters",
"meters",
"kilometers"
]
} | B | Question: New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet?
(A) millimeters
(B) centimeters
(C) meters
(D) kilometers
| Answer: (B) centimeters | Answer: (A) millimeters | Question: New carpet is being measured for a room that is 5.5 m by 4.6 m. On a measuring tape, what is the smallest unit that is necessary to measure the room accurately for the carpet?
(A) millimeters
(B) centimeters
(C) meters
(D) kilometers
Answer: (B) centimeters |
null | null | null | null | null | null | null | Question: Who insisted on the baby?
(A) He
(B) They
(C) She
(D) It
Answer: (C) She |
Mercury_182385 | In which process is nitrogen from the air put into a form that plants can use? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nitrification",
"denitrification",
"nitrogen saturation",
"nitrogen fixation"
]
} | D | Question: In which process is nitrogen from the air put into a form that plants can use?
(A) nitrification
(B) denitrification
(C) nitrogen saturation
(D) nitrogen fixation
| Answer: (D) nitrogen fixation | Answer: (A) nitrification | Question: In which process is nitrogen from the air put into a form that plants can use?
(A) nitrification
(B) denitrification
(C) nitrogen saturation
(D) nitrogen fixation
Answer: (D) nitrogen fixation |
null | null | null | null | null | null | null | Photosynthesis maintains the level of oxygen in the atmosphere and provides energy to all life forms—either directly (for the plants themselves) or indirectly (as the food source for organisms that consume the plants, and, ultimately the organisms that consume them). |
null | null | null | null | null | null | null | Question: According to the second-century Apologists, how does God create?
(A) out of pre-existent matter
(B) out of nothing
(C) out of Neo-Platonism
(D) out of formless matter
Answer: (B) out of nothing |
null | null | null | null | null | null | null | Males average a slightly larger body size than females (Terres 1980). |
null | null | null | null | null | null | null | They should meet people and other pets. |
Mercury_7032655 | An element with which property would be best to use in electrical wiring? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"insulator",
"conductor",
"malleable",
"porous"
]
} | B | Question: An element with which property would be best to use in electrical wiring?
(A) insulator
(B) conductor
(C) malleable
(D) porous
| Answer: (B) conductor | Answer: (A) insulator | Question: An element with which property would be best to use in electrical wiring?
(A) insulator
(B) conductor
(C) malleable
(D) porous
Answer: (B) conductor |
null | null | null | null | null | null | null | – During cell division, each daughter cell receives one set of chromosomes. |
null | null | null | null | null | null | null | Some raw materials need for growth. |
MDSA_2007_5_20 | The motion of Earth is responsible for several celestial events. Which of the following events is caused by Earth revolving around the sun? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the days in a year",
"the hours in a day",
"the changes in the atmosphere of Earth",
"the position of the constellations in space"
]
} | A | Question: The motion of Earth is responsible for several celestial events. Which of the following events is caused by Earth revolving around the sun?
(A) the days in a year
(B) the hours in a day
(C) the changes in the atmosphere of Earth
(D) the position of the constellations in space
| Answer: (A) the days in a year | Answer: (B) the hours in a day | Question: The motion of Earth is responsible for several celestial events. Which of the following events is caused by Earth revolving around the sun?
(A) the days in a year
(B) the hours in a day
(C) the changes in the atmosphere of Earth
(D) the position of the constellations in space
Answer: (A) the days in a year |
VASoL_2011_5_26 | Pumice is formed when lava from a volcano cools. Which rock type is pumice? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Gaseous rock",
"Igneous rock",
"Sedimentary rock",
"Metamorphic rock"
]
} | B | Question: Pumice is formed when lava from a volcano cools. Which rock type is pumice?
(A) Gaseous rock
(B) Igneous rock
(C) Sedimentary rock
(D) Metamorphic rock
| Answer: (B) Igneous rock | Answer: (C) Sedimentary rock | Question: Pumice is formed when lava from a volcano cools. Which rock type is pumice?
(A) Gaseous rock
(B) Igneous rock
(C) Sedimentary rock
(D) Metamorphic rock
Answer: (B) Igneous rock |
null | null | null | null | null | null | null | multcielluar organisms cells with a nucleus, with cell membranes but lacking cell walls |
MCAS_2012_5_23630 | In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"increase in humidity",
"decrease in temperature",
"clouds forming in the sky",
"winds blowing in the night"
]
} | B | Question: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?
(A) increase in humidity
(B) decrease in temperature
(C) clouds forming in the sky
(D) winds blowing in the night
| Answer: (B) decrease in temperature | Answer: (C) clouds forming in the sky | Question: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?
(A) increase in humidity
(B) decrease in temperature
(C) clouds forming in the sky
(D) winds blowing in the night
Answer: (B) decrease in temperature |
null | null | null | null | null | null | null | survival of the fittest--is not the real driving force behind natural selection--but the reproductive advantage that accrues to those individuals possessing traits that are best suited to the environment |
Mercury_7014578 | Which tool should be used to compare the growth of an algal colony growing in a petri dish? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a scale",
"a ruler",
"a hand lens",
"a balance scale"
]
} | C | Question: Which tool should be used to compare the growth of an algal colony growing in a petri dish?
(A) a scale
(B) a ruler
(C) a hand lens
(D) a balance scale
| Answer: (C) a hand lens | Answer: (D) a balance scale | Question: Which tool should be used to compare the growth of an algal colony growing in a petri dish?
(A) a scale
(B) a ruler
(C) a hand lens
(D) a balance scale
Answer: (C) a hand lens |
null | null | null | null | null | null | null | However, an additional issue in recent investigations using microsatellites is that kin-associated shoaling may have been confounded with spatial genetic structure within a population ( Pouyaud et al., 1999 ). |
VASoL_2010_5_24 | Which of these is a way the people of Virginia can help restore a natural ecosystem? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Burn their trash",
"Plant native plants",
"Feed leftover meals to deer",
"Drain automobile oil into the grass"
]
} | B | Question: Which of these is a way the people of Virginia can help restore a natural ecosystem?
(A) Burn their trash
(B) Plant native plants
(C) Feed leftover meals to deer
(D) Drain automobile oil into the grass
| Answer: (B) Plant native plants | Answer: (D) Drain automobile oil into the grass | Question: Which of these is a way the people of Virginia can help restore a natural ecosystem?
(A) Burn their trash
(B) Plant native plants
(C) Feed leftover meals to deer
(D) Drain automobile oil into the grass
Answer: (B) Plant native plants |
null | null | null | null | null | null | null | Once mature, the female begins to lay eggs within a gall. |
null | null | null | null | null | null | null | Question: What are parents tend not to emphasize as much as walking and talking in children's milestones?
(A) crawling and smiling
(B) potty training and reading
(C) eating and sleeping
(D) running and jumping
Answer: (C) eating and sleeping |
MCAS_2013_5_29394 | During science class, students combined 1 kg of iron filings with 1 kg of sand to create a mixture. Which of the following methods would be best for separating the iron filings from the sand? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Stir the mixture into hot water to dissolve the sand.",
"Strain the mixture through a paper filter to collect the sand.",
"Drag a magnet through the mixture to attract the iron filings.",
"Shake the mixture to cause the iron filings to settle to the bottom."
]
} | C | Question: During science class, students combined 1 kg of iron filings with 1 kg of sand to create a mixture. Which of the following methods would be best for separating the iron filings from the sand?
(A) Stir the mixture into hot water to dissolve the sand.
(B) Strain the mixture through a paper filter to collect the sand.
(C) Drag a magnet through the mixture to attract the iron filings.
(D) Shake the mixture to cause the iron filings to settle to the bottom.
| Answer: (C) Drag a magnet through the mixture to attract the iron filings. | Answer: (A) Stir the mixture into hot water to dissolve the sand. | Question: During science class, students combined 1 kg of iron filings with 1 kg of sand to create a mixture. Which of the following methods would be best for separating the iron filings from the sand?
(A) Stir the mixture into hot water to dissolve the sand.
(B) Strain the mixture through a paper filter to collect the sand.
(C) Drag a magnet through the mixture to attract the iron filings.
(D) Shake the mixture to cause the iron filings to settle to the bottom.
Answer: (C) Drag a magnet through the mixture to attract the iron filings. |
NYSEDREGENTS_2009_4_14 | Which physical structure would best help a bear to survive a winter in New York State? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"big ears",
"black nose",
"thick fur",
"brown eyes"
]
} | C | Question: Which physical structure would best help a bear to survive a winter in New York State?
(A) big ears
(B) black nose
(C) thick fur
(D) brown eyes
| Answer: (C) thick fur | Answer: (D) brown eyes | Question: Which physical structure would best help a bear to survive a winter in New York State?
(A) big ears
(B) black nose
(C) thick fur
(D) brown eyes
Answer: (C) thick fur |
null | null | null | null | null | null | null | This makes nitrogen a crucial part of food production. |
null | null | null | null | null | null | null | Question: What appears to go around the earth?
(A) Moon
(B) Sun
(C) Stars
(D) Planets
Answer: (B) Sun |
MDSA_2011_4_40 | A student heated a pan of soup on a stove. While stirring the soup with a metal spoon, the student noticed the spoon became very warm. What is the most likely reason the spoon became warm? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The stirring action heated the spoon.",
"Warm air in the room heated the spoon.",
"Heat from the soup was transferred to the spoon.",
"The student's hand transferred heat to the spoon."
]
} | C | Question: A student heated a pan of soup on a stove. While stirring the soup with a metal spoon, the student noticed the spoon became very warm. What is the most likely reason the spoon became warm?
(A) The stirring action heated the spoon.
(B) Warm air in the room heated the spoon.
(C) Heat from the soup was transferred to the spoon.
(D) The student's hand transferred heat to the spoon.
| Answer: (C) Heat from the soup was transferred to the spoon. | Answer: (A) The stirring action heated the spoon. | Question: A student heated a pan of soup on a stove. While stirring the soup with a metal spoon, the student noticed the spoon became very warm. What is the most likely reason the spoon became warm?
(A) The stirring action heated the spoon.
(B) Warm air in the room heated the spoon.
(C) Heat from the soup was transferred to the spoon.
(D) The student's hand transferred heat to the spoon.
Answer: (C) Heat from the soup was transferred to the spoon. |
null | null | null | null | null | null | null | Vegetative or asexual reproduction produces new shoots without the benefit of male (pollen) and female (ovary) contact (i.e. sexual reproduction). |
NYSEDREGENTS_2011_4_26 | What is the main source of energy for the water cycle? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"electricity",
"erosion",
"gravity",
"sunlight"
]
} | D | Question: What is the main source of energy for the water cycle?
(A) electricity
(B) erosion
(C) gravity
(D) sunlight
| Answer: (D) sunlight | Answer: (A) electricity | Question: What is the main source of energy for the water cycle?
(A) electricity
(B) erosion
(C) gravity
(D) sunlight
Answer: (D) sunlight |
null | null | null | null | null | null | null | Gulls need food too. |
Mercury_SC_400189 | Which of these resources is renewable? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"natural gas",
"oil",
"coal",
"wind"
]
} | D | Question: Which of these resources is renewable?
(A) natural gas
(B) oil
(C) coal
(D) wind
| Answer: (D) wind | Answer: (B) oil | Question: Which of these resources is renewable?
(A) natural gas
(B) oil
(C) coal
(D) wind
Answer: (D) wind |
null | null | null | null | null | null | null | Most soy food contains dietary fiber. |
MDSA_2007_5_38 | Students are learning about the natural resources in Maryland. One group of students researches information about renewable natural resources in the state. The other group researches information about nonrenewable natural resources in the state. The resources the students investigate include plants, animals, soil, minerals, water, coal, and oil. Aluminum is a nonrenewable natural resource. Which of these methods of aluminum disposal is best for the environment? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"burning it",
"recycling it",
"burying it in landfills",
"crushing it before throwing it away"
]
} | B | Question: Students are learning about the natural resources in Maryland. One group of students researches information about renewable natural resources in the state. The other group researches information about nonrenewable natural resources in the state. The resources the students investigate include plants, animals, soil, minerals, water, coal, and oil. Aluminum is a nonrenewable natural resource. Which of these methods of aluminum disposal is best for the environment?
(A) burning it
(B) recycling it
(C) burying it in landfills
(D) crushing it before throwing it away
| Answer: (B) recycling it | Answer: (A) burning it | Question: Students are learning about the natural resources in Maryland. One group of students researches information about renewable natural resources in the state. The other group researches information about nonrenewable natural resources in the state. The resources the students investigate include plants, animals, soil, minerals, water, coal, and oil. Aluminum is a nonrenewable natural resource. Which of these methods of aluminum disposal is best for the environment?
(A) burning it
(B) recycling it
(C) burying it in landfills
(D) crushing it before throwing it away
Answer: (B) recycling it |
null | null | null | null | null | null | null | Question: What are the three modes by which heat can be transferred?
(A) insulation, reflection, conduction
(B) expansion, conduction, reflection
(C) conduction, convection, radiation
(D) radiation, conduction, expansion
Answer: (C) conduction, convection, radiation |
null | null | null | null | null | null | null | Most fields produce effects. |
null | null | null | null | null | null | null | Some companions feel families. |
null | null | null | null | null | null | null | Some grandparents need education. |
Mercury_SC_415012 | Changes to Earth's surface can happen slowly or quickly. Which of these changes happens the most quickly? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a mountain eroding to a hill",
"a river making a delta",
"a glacier making a canyon",
"a storm moving a sandbar"
]
} | D | Question: Changes to Earth's surface can happen slowly or quickly. Which of these changes happens the most quickly?
(A) a mountain eroding to a hill
(B) a river making a delta
(C) a glacier making a canyon
(D) a storm moving a sandbar
| Answer: (D) a storm moving a sandbar | Answer: (B) a river making a delta | Question: Changes to Earth's surface can happen slowly or quickly. Which of these changes happens the most quickly?
(A) a mountain eroding to a hill
(B) a river making a delta
(C) a glacier making a canyon
(D) a storm moving a sandbar
Answer: (D) a storm moving a sandbar |
Mercury_SC_406795 | Which items would best protect a group of students while investigating a forest ecosystem? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"short pants and T-shirts",
"short pants and long-sleeved shirts",
"long pants and T-shirts",
"long pants and long-sleeved shirts"
]
} | D | Question: Which items would best protect a group of students while investigating a forest ecosystem?
(A) short pants and T-shirts
(B) short pants and long-sleeved shirts
(C) long pants and T-shirts
(D) long pants and long-sleeved shirts
| Answer: (D) long pants and long-sleeved shirts | Answer: (C) long pants and T-shirts | Question: Which items would best protect a group of students while investigating a forest ecosystem?
(A) short pants and T-shirts
(B) short pants and long-sleeved shirts
(C) long pants and T-shirts
(D) long pants and long-sleeved shirts
Answer: (D) long pants and long-sleeved shirts |
null | null | null | null | null | null | null | Earth can be divided into biomes with similar climates and organisms. |
null | null | null | null | null | null | null | The female reproductive tract is divided into several parts. |
null | null | null | null | null | null | null | The energy is still around, but divided up in different places. |
Mercury_7144848 | Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"to test a hypothesis",
"to form a theory",
"to produce a scientific paper",
"to change previous results"
]
} | A | Question: Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation?
(A) to test a hypothesis
(B) to form a theory
(C) to produce a scientific paper
(D) to change previous results
| Answer: (A) to test a hypothesis | Answer: (D) to change previous results | Question: Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation?
(A) to test a hypothesis
(B) to form a theory
(C) to produce a scientific paper
(D) to change previous results
Answer: (A) to test a hypothesis |
null | null | null | null | null | null | null | The evolutionary tendency of plants has been, firstly, to migrate from water to land ; and secondly, to make the modifications necessitated by the change from an aquatic to a terrestrial habitat. |
Mercury_7263708 | Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"auroras",
"tornadoes",
"rainbows",
"inversions"
]
} | A | Question: Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
(A) auroras
(B) tornadoes
(C) rainbows
(D) inversions
| Answer: (A) auroras | Answer: (D) inversions | Question: Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
(A) auroras
(B) tornadoes
(C) rainbows
(D) inversions
Answer: (A) auroras |
Mercury_7013773 | What takes place as a light wave enters a denser medium? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"it is reflected",
"it is absorbed",
"it is refracted",
"it is compressed"
]
} | C | Question: What takes place as a light wave enters a denser medium?
(A) it is reflected
(B) it is absorbed
(C) it is refracted
(D) it is compressed
| Answer: (C) it is refracted | Answer: (A) it is reflected | Question: What takes place as a light wave enters a denser medium?
(A) it is reflected
(B) it is absorbed
(C) it is refracted
(D) it is compressed
Answer: (C) it is refracted |
null | null | null | null | null | null | null | They feed on termites and ants, either at night or during the day. |
Mercury_7068618 | Which renewable resource is used with photovoltaic cells to produce electricity? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"hydrothermal energy",
"solar energy",
"geothermal energy",
"nuclear energy"
]
} | B | Question: Which renewable resource is used with photovoltaic cells to produce electricity?
(A) hydrothermal energy
(B) solar energy
(C) geothermal energy
(D) nuclear energy
| Answer: (B) solar energy | Answer: (C) geothermal energy | Question: Which renewable resource is used with photovoltaic cells to produce electricity?
(A) hydrothermal energy
(B) solar energy
(C) geothermal energy
(D) nuclear energy
Answer: (B) solar energy |
null | null | null | null | null | null | null | Some radiation exhibits high thermal conductivity. |
null | null | null | null | null | null | null | Question: What are Titans not supposed to have?
(A) hair
(B) genitals
(C) wings
(D) fins
Answer: (B) genitals |
MCAS_2004_8_29 | About how many Earth days does it take the Moon to travel around Earth? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"1",
"27",
"180",
"365"
]
} | B | Question: About how many Earth days does it take the Moon to travel around Earth?
(A) 1
(B) 27
(C) 180
(D) 365
| Answer: (B) 27 | Answer: (A) 1 | Question: About how many Earth days does it take the Moon to travel around Earth?
(A) 1
(B) 27
(C) 180
(D) 365
Answer: (B) 27 |
null | null | null | null | null | null | null | With respect to what is preserved, there are several types of fossils. |
null | null | null | null | null | null | null | They eat leaves, dead plant materials, fungi, and animal droppings. |
TIMSS_1995_8_O12 | Air is made up of many gases. Which gas is found in the greatest amount? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Nitrogen",
"Oxygen",
"Carbon dioxide",
"Hydrogen"
]
} | A | Question: Air is made up of many gases. Which gas is found in the greatest amount?
(A) Nitrogen
(B) Oxygen
(C) Carbon dioxide
(D) Hydrogen
| Answer: (A) Nitrogen | Answer: (C) Carbon dioxide | Question: Air is made up of many gases. Which gas is found in the greatest amount?
(A) Nitrogen
(B) Oxygen
(C) Carbon dioxide
(D) Hydrogen
Answer: (A) Nitrogen |
TIMSS_2003_8_pg26 | A powder made up of both white specks and black specks is likely to be | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a solution",
"a pure compound",
"a mixture",
"an element"
]
} | C | Question: A powder made up of both white specks and black specks is likely to be
(A) a solution
(B) a pure compound
(C) a mixture
(D) an element
| Answer: (C) a mixture | Answer: (A) a solution | Question: A powder made up of both white specks and black specks is likely to be
(A) a solution
(B) a pure compound
(C) a mixture
(D) an element
Answer: (C) a mixture |
null | null | null | null | null | null | null | When a new environment becomes available, a succession of living things may colonise the area. |
Mercury_SC_408557 | Sarah's class is learning about mixtures and solutions. Her teacher writes four statements on the board. Which statement best describes a mixture? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Both substances mix evenly.",
"Both substances can evaporate.",
"One substance dissolves into another.",
"One substance can be separated from the other."
]
} | D | Question: Sarah's class is learning about mixtures and solutions. Her teacher writes four statements on the board. Which statement best describes a mixture?
(A) Both substances mix evenly.
(B) Both substances can evaporate.
(C) One substance dissolves into another.
(D) One substance can be separated from the other.
| Answer: (D) One substance can be separated from the other. | Answer: (C) One substance dissolves into another. | Question: Sarah's class is learning about mixtures and solutions. Her teacher writes four statements on the board. Which statement best describes a mixture?
(A) Both substances mix evenly.
(B) Both substances can evaporate.
(C) One substance dissolves into another.
(D) One substance can be separated from the other.
Answer: (D) One substance can be separated from the other. |
null | null | null | null | null | null | null | Some experts consider tolerance tests. |
NYSEDREGENTS_2005_8_32 | Evidence that living things have evolved over hundreds of millions of years can be found in | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"particles in the air",
"rocks containing fossils",
"tree rings from recently logged trees",
"chemicals in human hair"
]
} | 2 | Question: Evidence that living things have evolved over hundreds of millions of years can be found in
(1) particles in the air
(2) rocks containing fossils
(3) tree rings from recently logged trees
(4) chemicals in human hair
| Answer: (2) rocks containing fossils | Answer: (3) tree rings from recently logged trees | Question: Evidence that living things have evolved over hundreds of millions of years can be found in
(1) particles in the air
(2) rocks containing fossils
(3) tree rings from recently logged trees
(4) chemicals in human hair
Answer: (2) rocks containing fossils |
null | null | null | null | null | null | null | The term growth involves two distinct ideas which are not always carefulfy dis- tinguished. |
Mercury_7172410 | The iron in iron-rich red soils may not be in a form that can be taken up by tree roots. As a result, leaves and needles may look yellow. Some trees release acids that convert iron in soil to a usable form. This change in soil chemistry is a type of which process? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"deposition",
"weathering",
"precipitation",
"photosynthesis"
]
} | B | Question: The iron in iron-rich red soils may not be in a form that can be taken up by tree roots. As a result, leaves and needles may look yellow. Some trees release acids that convert iron in soil to a usable form. This change in soil chemistry is a type of which process?
(A) deposition
(B) weathering
(C) precipitation
(D) photosynthesis
| Answer: (B) weathering | Answer: (D) photosynthesis | Question: The iron in iron-rich red soils may not be in a form that can be taken up by tree roots. As a result, leaves and needles may look yellow. Some trees release acids that convert iron in soil to a usable form. This change in soil chemistry is a type of which process?
(A) deposition
(B) weathering
(C) precipitation
(D) photosynthesis
Answer: (B) weathering |
null | null | null | null | null | null | null | Some air carries diseases. |