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Mercury_SC_402161

One way that students can help conserve natural resources at school is by

A

Question: One way that students can help conserve natural resources at school is by (A) recycling aluminum cans. (B) emptying waste baskets. (C) wearing warmer clothes. (D) eating all of their lunch.

Answer: (A) recycling aluminum cans.

Answer: (B) emptying waste baskets.

Question: One way that students can help conserve natural resources at school is by (A) recycling aluminum cans. (B) emptying waste baskets. (C) wearing warmer clothes. (D) eating all of their lunch. Answer: (A) recycling aluminum cans.

Mercury_SC_401769

The Grand Canyon is an example of

A

Question: The Grand Canyon is an example of (A) erosion. (B) deposition. (C) an earthquake. (D) volcanic activity.

Answer: (A) erosion.

Answer: (B) deposition.

Question: The Grand Canyon is an example of (A) erosion. (B) deposition. (C) an earthquake. (D) volcanic activity. Answer: (A) erosion.

Mercury_7271635

Humans cannot survive without clean, fresh water. Reservoirs of liquid water vary, but all water spends time as a gas in the atmosphere. What is the source of most of the water in the atmosphere?

B

Question: Humans cannot survive without clean, fresh water. Reservoirs of liquid water vary, but all water spends time as a gas in the atmosphere. What is the source of most of the water in the atmosphere? (A) lakes (B) oceans (C) rivers (D) glaciers

Answer: (B) oceans

Answer: (C) rivers

Question: Humans cannot survive without clean, fresh water. Reservoirs of liquid water vary, but all water spends time as a gas in the atmosphere. What is the source of most of the water in the atmosphere? (A) lakes (B) oceans (C) rivers (D) glaciers Answer: (B) oceans

Mercury_SC_401230

When a frying pan is placed on an electric stove top, heat energy is transferred from the burner to the pan by

C

Question: When a frying pan is placed on an electric stove top, heat energy is transferred from the burner to the pan by (A) convection. (B) radiation. (C) conduction. (D) insulation.

Answer: (C) conduction.

Answer: (D) insulation.

Question: When a frying pan is placed on an electric stove top, heat energy is transferred from the burner to the pan by (A) convection. (B) radiation. (C) conduction. (D) insulation. Answer: (C) conduction.

Mercury_SC_402060

What happens when water flows over a rock for a long period of time?

A

Question: What happens when water flows over a rock for a long period of time? (A) erosion (B) flooding (C) breakage (D) evaporation

Answer: (A) erosion

Answer: (C) breakage

Question: What happens when water flows over a rock for a long period of time? (A) erosion (B) flooding (C) breakage (D) evaporation Answer: (A) erosion

NYSEDREGENTS_2009_4_17

During winter, the white fur of an arctic fox blends in with the snow. This adaptation is called

C

Question: During winter, the white fur of an arctic fox blends in with the snow. This adaptation is called (A) hibernation (B) migration (C) camouflage (D) movement

Answer: (C) camouflage

Answer: (B) migration

Question: During winter, the white fur of an arctic fox blends in with the snow. This adaptation is called (A) hibernation (B) migration (C) camouflage (D) movement Answer: (C) camouflage

Mercury_SC_409264

How has the invention of the personal computer helped people the most?

D

Question: How has the invention of the personal computer helped people the most? (A) by replacing paper (B) by reducing pollution (C) by improving transportation (D) by increasing communication

Answer: (D) by increasing communication

Answer: (C) by improving transportation

Question: How has the invention of the personal computer helped people the most? (A) by replacing paper (B) by reducing pollution (C) by improving transportation (D) by increasing communication Answer: (D) by increasing communication

NYSEDREGENTS_2009_4_22

Humans depend on which natural resource from the environment?

A

Question: Humans depend on which natural resource from the environment? (A) water (B) houses (C) electricity (D) roads

Answer: (A) water

Answer: (B) houses

Question: Humans depend on which natural resource from the environment? (A) water (B) houses (C) electricity (D) roads Answer: (A) water

Mercury_7115325

The danger posed to fish in an aquarium by an overpopulation of bacteria caused by an algal bloom is most likely a

B

Question: The danger posed to fish in an aquarium by an overpopulation of bacteria caused by an algal bloom is most likely a (A) decrease in water temperature. (B) reduction in oxygen levels. (C) decrease in food supply. (D) removal of minerals.

Answer: (B) reduction in oxygen levels.

Answer: (A) decrease in water temperature.

Question: The danger posed to fish in an aquarium by an overpopulation of bacteria caused by an algal bloom is most likely a (A) decrease in water temperature. (B) reduction in oxygen levels. (C) decrease in food supply. (D) removal of minerals. Answer: (B) reduction in oxygen levels.

MDSA_2007_4_4

Natural processes shape the surface of Earth. Most canyons are formed by ___.

D

Question: Natural processes shape the surface of Earth. Most canyons are formed by ___. (A) ice (B) plants (C) steady winds (D) moving water

Answer: (D) moving water

Answer: (B) plants

Question: Natural processes shape the surface of Earth. Most canyons are formed by ___. (A) ice (B) plants (C) steady winds (D) moving water Answer: (D) moving water

Mercury_SC_402033

What is the best way for a student to describe the results of an experiment?

C

Question: What is the best way for a student to describe the results of an experiment? (A) in a diagram (B) in an oral report (C) in a written report (D) in a photo essay

Answer: (C) in a written report

Answer: (B) in an oral report

Question: What is the best way for a student to describe the results of an experiment? (A) in a diagram (B) in an oral report (C) in a written report (D) in a photo essay Answer: (C) in a written report

CSZ20146

Which of the following is a living component of a desert in California?

D

Question: Which of the following is a living component of a desert in California? (A) low rainfall (B) hot temperature (C) polar bear (D) horned lizard

Answer: (D) horned lizard

Answer: (B) hot temperature

Question: Which of the following is a living component of a desert in California? (A) low rainfall (B) hot temperature (C) polar bear (D) horned lizard Answer: (D) horned lizard

ACTAAP_2014_5_9

Scientists wonder how the Egyptian pyramids were built. They think that the huge blocks of stone may have been put into place by pushing them up a sloping pathway. The pathway is which type of simple machine?

C

Question: Scientists wonder how the Egyptian pyramids were built. They think that the huge blocks of stone may have been put into place by pushing them up a sloping pathway. The pathway is which type of simple machine? (A) lever (B) pulley (C) inclined plane (D) wheel and axle

Answer: (C) inclined plane

Answer: (A) lever

Question: Scientists wonder how the Egyptian pyramids were built. They think that the huge blocks of stone may have been put into place by pushing them up a sloping pathway. The pathway is which type of simple machine? (A) lever (B) pulley (C) inclined plane (D) wheel and axle Answer: (C) inclined plane

Mercury_7186078

Magnesium strips are long, thin strips that are gray and shiny. Which action will lead to a chemical change of magnesium strips?

B

Question: Magnesium strips are long, thin strips that are gray and shiny. Which action will lead to a chemical change of magnesium strips? (A) putting them in the freezer (B) burning them with a candle (C) cutting them into small pieces (D) mixing them with pieces of copper

Answer: (B) burning them with a candle

Answer: (C) cutting them into small pieces

Question: Magnesium strips are long, thin strips that are gray and shiny. Which action will lead to a chemical change of magnesium strips? (A) putting them in the freezer (B) burning them with a candle (C) cutting them into small pieces (D) mixing them with pieces of copper Answer: (B) burning them with a candle

Mercury_7263603

Which involves the greatest variety of cell types?

D

Question: Which involves the greatest variety of cell types? (A) a tissue (B) an organ (C) an organ system (D) an organism

Answer: (D) an organism

Answer: (B) an organ

Question: Which involves the greatest variety of cell types? (A) a tissue (B) an organ (C) an organ system (D) an organism Answer: (D) an organism

Mercury_SC_401191

Snapping a rubber band most likely produces which type of energy?

C

Question: Snapping a rubber band most likely produces which type of energy? (A) heat (B) light (C) sound (D) electrical

Answer: (C) sound

Answer: (D) electrical

Question: Snapping a rubber band most likely produces which type of energy? (A) heat (B) light (C) sound (D) electrical Answer: (C) sound

VASoL_2010_3_29

People can help keep a forest a good place for birds to live by

D

Question: People can help keep a forest a good place for birds to live by (A) dumping garbage in a small part of the forest (B) building a road through the middle of the forest (C) burning dead trees to make smoke in the air (D) preventing too many trees from being cut down

Answer: (D) preventing too many trees from being cut down

Answer: (B) building a road through the middle of the forest

Question: People can help keep a forest a good place for birds to live by (A) dumping garbage in a small part of the forest (B) building a road through the middle of the forest (C) burning dead trees to make smoke in the air (D) preventing too many trees from being cut down Answer: (D) preventing too many trees from being cut down

Mercury_SC_416525

Randall is picking lettuce from his garden for dinner. His mother told him to leave some leaves on each plant. Why is it important to leave some leaves on the plant?

A

Question: Randall is picking lettuce from his garden for dinner. His mother told him to leave some leaves on each plant. Why is it important to leave some leaves on the plant? (A) Leaves help the plant make food. (B) Leaves help the plant absorb water. (C) Leaves help the plant stand upright. (D) Leaves help the plant make seeds.

Answer: (A) Leaves help the plant make food.

Answer: (D) Leaves help the plant make seeds.

Question: Randall is picking lettuce from his garden for dinner. His mother told him to leave some leaves on each plant. Why is it important to leave some leaves on the plant? (A) Leaves help the plant make food. (B) Leaves help the plant absorb water. (C) Leaves help the plant stand upright. (D) Leaves help the plant make seeds. Answer: (A) Leaves help the plant make food.

Mercury_7017063

A negatively-charged ion has

C

Question: A negatively-charged ion has (A) a heavier nucleus. (B) a greater atomic mass. (C) more electrons than protons. (D) more electrons than neutrons.

Answer: (C) more electrons than protons.

Answer: (D) more electrons than neutrons.

Question: A negatively-charged ion has (A) a heavier nucleus. (B) a greater atomic mass. (C) more electrons than protons. (D) more electrons than neutrons. Answer: (C) more electrons than protons.

Mercury_7097878

Which statement explains what will most likely happen to the hydrosphere in an area where air temperatures increase?

D

Question: Which statement explains what will most likely happen to the hydrosphere in an area where air temperatures increase? (A) Earthquake intensity will decrease. (B) Mountain formation will decrease. (C) Rock weathering will increase. (D) Evaporation will increase.

Answer: (D) Evaporation will increase.

Answer: (C) Rock weathering will increase.

Question: Which statement explains what will most likely happen to the hydrosphere in an area where air temperatures increase? (A) Earthquake intensity will decrease. (B) Mountain formation will decrease. (C) Rock weathering will increase. (D) Evaporation will increase. Answer: (D) Evaporation will increase.

NYSEDREGENTS_2009_8_9

Which energy source is considered nonrenewable?

1

Question: Which energy source is considered nonrenewable? (1) oil (2) moving water (3) sunlight (4) biomass

Answer: (1) oil

Answer: (4) biomass

Question: Which energy source is considered nonrenewable? (1) oil (2) moving water (3) sunlight (4) biomass Answer: (1) oil

Mercury_7086030

When buried sediments are subjected to pressure, the mineral grains are squeezed together. What is the result of this action?

C

Question: When buried sediments are subjected to pressure, the mineral grains are squeezed together. What is the result of this action? (A) volcanoes (B) earthquakes (C) new rock is formed (D) layers rise to the surface

Answer: (C) new rock is formed

Answer: (D) layers rise to the surface

Question: When buried sediments are subjected to pressure, the mineral grains are squeezed together. What is the result of this action? (A) volcanoes (B) earthquakes (C) new rock is formed (D) layers rise to the surface Answer: (C) new rock is formed

Mercury_SC_407380

What is the primary source of energy for organisms from a beach ecosystem?

C

Question: What is the primary source of energy for organisms from a beach ecosystem? (A) sand (B) oxygen (C) the Sun (D) the ocean

Answer: (C) the Sun

Answer: (D) the ocean

Question: What is the primary source of energy for organisms from a beach ecosystem? (A) sand (B) oxygen (C) the Sun (D) the ocean Answer: (C) the Sun

Mercury_7183278

Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil?

A

Question: Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil? (A) They weather rocks with acid. (B) They strip the rocks of minerals. (C) They break rocks into small pieces. (D) They increase the density of the rocks.

Answer: (A) They weather rocks with acid.

Answer: (B) They strip the rocks of minerals.

Question: Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil? (A) They weather rocks with acid. (B) They strip the rocks of minerals. (C) They break rocks into small pieces. (D) They increase the density of the rocks. Answer: (A) They weather rocks with acid.

Mercury_7004305

Which is the best way a science student can help to maintain laboratory equipment?

C

Question: Which is the best way a science student can help to maintain laboratory equipment? (A) perform investigations using only new materials (B) throw away glass items after investigations are complete (C) clean up all materials and workspaces after investigations (D) eat in the laboratory only after investigations are complete

Answer: (C) clean up all materials and workspaces after investigations

Answer: (A) perform investigations using only new materials

Question: Which is the best way a science student can help to maintain laboratory equipment? (A) perform investigations using only new materials (B) throw away glass items after investigations are complete (C) clean up all materials and workspaces after investigations (D) eat in the laboratory only after investigations are complete Answer: (C) clean up all materials and workspaces after investigations

MCAS_2008_5_5638

Which of the following statements best explains why stars appear to move across Earth's sky each night?

A

Question: Which of the following statements best explains why stars appear to move across Earth's sky each night? (A) Earth rotates on its axis. (B) The stars orbit each other. (C) Earth revolves around the Sun. (D) The stars rotate with the Moon.

Answer: (A) Earth rotates on its axis.

Answer: (C) Earth revolves around the Sun.

Question: Which of the following statements best explains why stars appear to move across Earth's sky each night? (A) Earth rotates on its axis. (B) The stars orbit each other. (C) Earth revolves around the Sun. (D) The stars rotate with the Moon. Answer: (A) Earth rotates on its axis.

Mercury_7214130

Researchers are developing new types of crop plants with desirable characteristics such as disease resistance and drought tolerance. Crossing plants so that the next generation will express desirable traits is best described as

A

Question: Researchers are developing new types of crop plants with desirable characteristics such as disease resistance and drought tolerance. Crossing plants so that the next generation will express desirable traits is best described as (A) selective breeding. (B) natural selection. (C) genetic engineering. (D) gene sequencing.

Answer: (A) selective breeding.

Answer: (B) natural selection.

Question: Researchers are developing new types of crop plants with desirable characteristics such as disease resistance and drought tolerance. Crossing plants so that the next generation will express desirable traits is best described as (A) selective breeding. (B) natural selection. (C) genetic engineering. (D) gene sequencing. Answer: (A) selective breeding.

Mercury_7176173

In May 2007, wildfires burned more than 350 square miles of habitat in Florida and Georgia. Intense fires like this one can temporarily remove nitrogen, phosphorus, and potassium in area soil. What most likely happens in the burned areas until organic decay replenishes the lost nutrients?

C

Question: In May 2007, wildfires burned more than 350 square miles of habitat in Florida and Georgia. Intense fires like this one can temporarily remove nitrogen, phosphorus, and potassium in area soil. What most likely happens in the burned areas until organic decay replenishes the lost nutrients? (A) Consumers take on the ecological role of producers. (B) Only secondary consumers obtain the resources they need. (C) The carrying capacity of the soil for plant growth is reduced. (D) The remaining organisms in the area become more territorial.

Answer: (C) The carrying capacity of the soil for plant growth is reduced.

Answer: (D) The remaining organisms in the area become more territorial.

Question: In May 2007, wildfires burned more than 350 square miles of habitat in Florida and Georgia. Intense fires like this one can temporarily remove nitrogen, phosphorus, and potassium in area soil. What most likely happens in the burned areas until organic decay replenishes the lost nutrients? (A) Consumers take on the ecological role of producers. (B) Only secondary consumers obtain the resources they need. (C) The carrying capacity of the soil for plant growth is reduced. (D) The remaining organisms in the area become more territorial. Answer: (C) The carrying capacity of the soil for plant growth is reduced.

Mercury_7156520

Helen is preparing a presentation about objects in the solar system. She includes facts about the order of the planets and their distances from the Sun. Which statement could she include in an accurate presentation?

D

Question: Helen is preparing a presentation about objects in the solar system. She includes facts about the order of the planets and their distances from the Sun. Which statement could she include in an accurate presentation? (A) Mars is closer to the Sun than Earth. (B) Neptune is one light-year from the Sun. (C) Jupiter is farther from the Sun than Uranus. (D) Earth is one astronomical unit from the Sun.

Answer: (D) Earth is one astronomical unit from the Sun.

Answer: (A) Mars is closer to the Sun than Earth.

Question: Helen is preparing a presentation about objects in the solar system. She includes facts about the order of the planets and their distances from the Sun. Which statement could she include in an accurate presentation? (A) Mars is closer to the Sun than Earth. (B) Neptune is one light-year from the Sun. (C) Jupiter is farther from the Sun than Uranus. (D) Earth is one astronomical unit from the Sun. Answer: (D) Earth is one astronomical unit from the Sun.

Mercury_SC_408983

Farmers in the 1800s used axes to clear trees from farmland. Now, farmers use chainsaws to clear the trees. How do chainsaws most likely help farmers?

B

Question: Farmers in the 1800s used axes to clear trees from farmland. Now, farmers use chainsaws to clear the trees. How do chainsaws most likely help farmers? (A) Farmers can cut different types of trees. (B) Farmers can remove more trees in less time. (C) Farmers can replant more trees in the fields. (D) Farmers can produce more products from the trees.

Answer: (B) Farmers can remove more trees in less time.

Answer: (D) Farmers can produce more products from the trees.

Question: Farmers in the 1800s used axes to clear trees from farmland. Now, farmers use chainsaws to clear the trees. How do chainsaws most likely help farmers? (A) Farmers can cut different types of trees. (B) Farmers can remove more trees in less time. (C) Farmers can replant more trees in the fields. (D) Farmers can produce more products from the trees. Answer: (B) Farmers can remove more trees in less time.

MEA_2014_8_3

What can a moving magnet in a coil of copper wire cause?

A

Question: What can a moving magnet in a coil of copper wire cause? (A) an electric current (B) friction on wheels (C) an increase in gravity (D) a decrease in heat

Answer: (A) an electric current

Answer: (D) a decrease in heat

Question: What can a moving magnet in a coil of copper wire cause? (A) an electric current (B) friction on wheels (C) an increase in gravity (D) a decrease in heat Answer: (A) an electric current

Mercury_7228183

A researcher determines a cell has a flexible cell wall composed of peptidoglycan. This observation narrows possible classifications of the cell to which taxonomic group?

B

Question: A researcher determines a cell has a flexible cell wall composed of peptidoglycan. This observation narrows possible classifications of the cell to which taxonomic group? (A) archaea (B) bacteria (C) fungi (D) plants

Answer: (B) bacteria

Answer: (A) archaea

Question: A researcher determines a cell has a flexible cell wall composed of peptidoglycan. This observation narrows possible classifications of the cell to which taxonomic group? (A) archaea (B) bacteria (C) fungi (D) plants Answer: (B) bacteria

Mercury_7181143

A student conducts an investigation using mold spores. In one part of the investigation, he needs to closely examine a spore sample. Which piece of equipment does the student need to use to keep mold spores from entering his respiratory system?

A

Question: A student conducts an investigation using mold spores. In one part of the investigation, he needs to closely examine a spore sample. Which piece of equipment does the student need to use to keep mold spores from entering his respiratory system? (A) breathing mask (B) safety goggles (C) rubber gloves (D) lead smock

Answer: (A) breathing mask

Answer: (B) safety goggles

Question: A student conducts an investigation using mold spores. In one part of the investigation, he needs to closely examine a spore sample. Which piece of equipment does the student need to use to keep mold spores from entering his respiratory system? (A) breathing mask (B) safety goggles (C) rubber gloves (D) lead smock Answer: (A) breathing mask

Mercury_7142170

Vultures are scavengers that most likely help ecosystems by quickly consuming dead organisms and

C

Question: Vultures are scavengers that most likely help ecosystems by quickly consuming dead organisms and (A) speeding up the process of decay. (B) taking nonliving matter from the environment. (C) slowing the spread of disease. (D) helping to distribute seeds.

Answer: (C) slowing the spread of disease.

Answer: (A) speeding up the process of decay.

Question: Vultures are scavengers that most likely help ecosystems by quickly consuming dead organisms and (A) speeding up the process of decay. (B) taking nonliving matter from the environment. (C) slowing the spread of disease. (D) helping to distribute seeds. Answer: (C) slowing the spread of disease.

Mercury_7222250

What is the process called when an acid and a base combine to produce water and salt?

A

Question: What is the process called when an acid and a base combine to produce water and salt? (A) neutralization (B) dilution (C) titration (D) physical reaction

Answer: (A) neutralization

Answer: (B) dilution

Question: What is the process called when an acid and a base combine to produce water and salt? (A) neutralization (B) dilution (C) titration (D) physical reaction Answer: (A) neutralization

Mercury_7201128

Amylase is a chemical that decomposes starch into maltose and dextrin. Which best describes the role of amylase in the human body?

B

Question: Amylase is a chemical that decomposes starch into maltose and dextrin. Which best describes the role of amylase in the human body? (A) as an inhibitor of insulin production (B) as an enzyme that aids in digestion (C) as a catalyst for protein synthesis (D) as a receptor of fatty acid chains

Answer: (B) as an enzyme that aids in digestion

Answer: (C) as a catalyst for protein synthesis

Question: Amylase is a chemical that decomposes starch into maltose and dextrin. Which best describes the role of amylase in the human body? (A) as an inhibitor of insulin production (B) as an enzyme that aids in digestion (C) as a catalyst for protein synthesis (D) as a receptor of fatty acid chains Answer: (B) as an enzyme that aids in digestion

Mercury_7043925

Sound waves can pass through all of these except

D

Question: Sound waves can pass through all of these except (A) air. (B) steel. (C) water. (D) a vacuum.

Answer: (D) a vacuum.

Answer: (A) air.

Question: Sound waves can pass through all of these except (A) air. (B) steel. (C) water. (D) a vacuum. Answer: (D) a vacuum.

Mercury_SC_402041

Why is it important to repeat an experiment several times?

D

Question: Why is it important to repeat an experiment several times? (A) to use up all the materials (B) to give all the students the chance to participate (C) to collect more data to fit the hypothesis (D) to determine if the results are similar

Answer: (D) to determine if the results are similar

Answer: (C) to collect more data to fit the hypothesis

Question: Why is it important to repeat an experiment several times? (A) to use up all the materials (B) to give all the students the chance to participate (C) to collect more data to fit the hypothesis (D) to determine if the results are similar Answer: (D) to determine if the results are similar

NYSEDREGENTS_2007_4_4

Which force causes a marble to sink to the bottom of a glass of water?

A

Question: Which force causes a marble to sink to the bottom of a glass of water? (A) gravity (B) friction (C) magnetism (D) electricity

Answer: (A) gravity

Answer: (B) friction

Question: Which force causes a marble to sink to the bottom of a glass of water? (A) gravity (B) friction (C) magnetism (D) electricity Answer: (A) gravity

OHAT_2009_5_3

A mosquito is a type of flying insect that lays eggs in puddles or small pools of water. When larvae develop from eggs, the larvae come to the surface to get air through special breathing tubes. After one to two weeks, the larvae become pupae and then turn into adults. How would a dry summer affect a mosquito population?

B

Question: A mosquito is a type of flying insect that lays eggs in puddles or small pools of water. When larvae develop from eggs, the larvae come to the surface to get air through special breathing tubes. After one to two weeks, the larvae become pupae and then turn into adults. How would a dry summer affect a mosquito population? (A) The mosquito larvae would take longer to become pupae. (B) The adult mosquitoes would have fewer places to lay eggs. (C) The adult mosquitoes would get fluids by feeding more often. (D) The mosquito larvae would use their breathing tubes to live on land.

Answer: (B) The adult mosquitoes would have fewer places to lay eggs.

Answer: (C) The adult mosquitoes would get fluids by feeding more often.

Question: A mosquito is a type of flying insect that lays eggs in puddles or small pools of water. When larvae develop from eggs, the larvae come to the surface to get air through special breathing tubes. After one to two weeks, the larvae become pupae and then turn into adults. How would a dry summer affect a mosquito population? (A) The mosquito larvae would take longer to become pupae. (B) The adult mosquitoes would have fewer places to lay eggs. (C) The adult mosquitoes would get fluids by feeding more often. (D) The mosquito larvae would use their breathing tubes to live on land. Answer: (B) The adult mosquitoes would have fewer places to lay eggs.

Mercury_7223020

NASA's Kepler Mission has collected information about main-sequence stars with characteristics similar to the Sun. What is the most common color of these stars?

D

Question: NASA's Kepler Mission has collected information about main-sequence stars with characteristics similar to the Sun. What is the most common color of these stars? (A) blue (B) white (C) red (D) yellow

Answer: (D) yellow

Answer: (B) white

Question: NASA's Kepler Mission has collected information about main-sequence stars with characteristics similar to the Sun. What is the most common color of these stars? (A) blue (B) white (C) red (D) yellow Answer: (D) yellow

Mercury_7263323

A fever is a response to a disease-causing agent infecting the body. Raising one's body temperature changes the shape of enzymes in the agent so it cannot reproduce. Which statement best describes a fever?

B

Question: A fever is a response to a disease-causing agent infecting the body. Raising one's body temperature changes the shape of enzymes in the agent so it cannot reproduce. Which statement best describes a fever? (A) A fever is an internal response to an external stimulus. (B) A fever is an internal response to an internal stimulus. (C) A fever is an external response to an external stimulus. (D) A fever is an external response to an internal stimulus.

Answer: (B) A fever is an internal response to an internal stimulus.

Answer: (A) A fever is an internal response to an external stimulus.

Question: A fever is a response to a disease-causing agent infecting the body. Raising one's body temperature changes the shape of enzymes in the agent so it cannot reproduce. Which statement best describes a fever? (A) A fever is an internal response to an external stimulus. (B) A fever is an internal response to an internal stimulus. (C) A fever is an external response to an external stimulus. (D) A fever is an external response to an internal stimulus. Answer: (B) A fever is an internal response to an internal stimulus.

Mercury_408000

Two people are pushing a car. One person is pushing with a force of 450 N and the other person is pushing with a force of 300 N. What information is needed to determine the net force applied to the car by the people?

B

Question: Two people are pushing a car. One person is pushing with a force of 450 N and the other person is pushing with a force of 300 N. What information is needed to determine the net force applied to the car by the people? (A) the direction of the road (B) the direction of the forces (C) the weight of the two people (D) the weight of the automobile

Answer: (B) the direction of the forces

Answer: (A) the direction of the road

Question: Two people are pushing a car. One person is pushing with a force of 450 N and the other person is pushing with a force of 300 N. What information is needed to determine the net force applied to the car by the people? (A) the direction of the road (B) the direction of the forces (C) the weight of the two people (D) the weight of the automobile Answer: (B) the direction of the forces

Mercury_7228410

A student proposes the rate of increase in a plant's mass will be proportional to the length of light exposure per day when all other variables are constant. How should this proposal be classified?

A

Question: A student proposes the rate of increase in a plant's mass will be proportional to the length of light exposure per day when all other variables are constant. How should this proposal be classified? (A) as a hypothesis (B) as a conclusion (C) as a theory (D) as a statement

Answer: (A) as a hypothesis

Answer: (C) as a theory

Question: A student proposes the rate of increase in a plant's mass will be proportional to the length of light exposure per day when all other variables are constant. How should this proposal be classified? (A) as a hypothesis (B) as a conclusion (C) as a theory (D) as a statement Answer: (A) as a hypothesis

Mercury_7214515

Approximately how many times will Earth rotate during one revolution around the Sun?

C

Question: Approximately how many times will Earth rotate during one revolution around the Sun? (A) 1 (B) 28 (C) 365 (D) 1440

Answer: (C) 365

Answer: (A) 1

Question: Approximately how many times will Earth rotate during one revolution around the Sun? (A) 1 (B) 28 (C) 365 (D) 1440 Answer: (C) 365

VASoL_2007_5_35

A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it

A

Question: A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it (A) reflects the sunlight (B) absorbs heat (C) causes evaporation (D) conducts electricity

Answer: (A) reflects the sunlight

Answer: (B) absorbs heat

Question: A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it (A) reflects the sunlight (B) absorbs heat (C) causes evaporation (D) conducts electricity Answer: (A) reflects the sunlight

NYSEDREGENTS_2016_4_19

Which property of an object can be described as smooth?

D

Question: Which property of an object can be described as smooth? (A) color (B) odor (C) size (D) texture

Answer: (D) texture

Answer: (A) color

Question: Which property of an object can be described as smooth? (A) color (B) odor (C) size (D) texture Answer: (D) texture

Mercury_7189350

During photosynthesis, plants absorb light energy from the Sun and convert it into chemical energy in the form of glucose. Which compounds combine in the presence of sunlight to form glucose?

C

Question: During photosynthesis, plants absorb light energy from the Sun and convert it into chemical energy in the form of glucose. Which compounds combine in the presence of sunlight to form glucose? (A) carbon dioxide (CO2) and hydrogen (H2) (B) oxygen (O2) and carbon dioxide (CO2) (C) carbon dioxide (CO2) and water (H2O) (D) oxygen (O2) and water (H2O)

Answer: (C) carbon dioxide (CO2) and water (H2O)

Answer: (B) oxygen (O2) and carbon dioxide (CO2)

Question: During photosynthesis, plants absorb light energy from the Sun and convert it into chemical energy in the form of glucose. Which compounds combine in the presence of sunlight to form glucose? (A) carbon dioxide (CO2) and hydrogen (H2) (B) oxygen (O2) and carbon dioxide (CO2) (C) carbon dioxide (CO2) and water (H2O) (D) oxygen (O2) and water (H2O) Answer: (C) carbon dioxide (CO2) and water (H2O)

Mercury_7228235

A researcher is viewing a cell that has cell walls. To best narrow down the taxonomic group from which the cell belongs, which question should a researcher ask?

A

Question: A researcher is viewing a cell that has cell walls. To best narrow down the taxonomic group from which the cell belongs, which question should a researcher ask? (A) What is the composition of the cell walls? (B) Is a cell membrane also present? (C) Can any substances pass through the cell walls? (D) Do the cell walls help the cell to survive?

Answer: (A) What is the composition of the cell walls?

Answer: (D) Do the cell walls help the cell to survive?

Question: A researcher is viewing a cell that has cell walls. To best narrow down the taxonomic group from which the cell belongs, which question should a researcher ask? (A) What is the composition of the cell walls? (B) Is a cell membrane also present? (C) Can any substances pass through the cell walls? (D) Do the cell walls help the cell to survive? Answer: (A) What is the composition of the cell walls?

Mercury_7239348

Which of the following best explains what will occur when a population grows larger than the carrying capacity of its environment?

D

Question: Which of the following best explains what will occur when a population grows larger than the carrying capacity of its environment? (A) The emigration rate will decrease. (B) The competition rate will decrease. (C) The birth rate will increase. (D) The death rate will increase.

Answer: (D) The death rate will increase.

Answer: (C) The birth rate will increase.

Question: Which of the following best explains what will occur when a population grows larger than the carrying capacity of its environment? (A) The emigration rate will decrease. (B) The competition rate will decrease. (C) The birth rate will increase. (D) The death rate will increase. Answer: (D) The death rate will increase.

Mercury_7206098

Oceans have many layers of sediments. These layers become compacted when they are buried under other layers of sediments. Which is most likely to happen to the deepest layers?

B

Question: Oceans have many layers of sediments. These layers become compacted when they are buried under other layers of sediments. Which is most likely to happen to the deepest layers? (A) They will be squeezed out onto deltas. (B) They will recrystallize into new rock. (C) They will become part of Earth's outer core. (D) They will melt in magma chambers.

Answer: (B) They will recrystallize into new rock.

Answer: (C) They will become part of Earth's outer core.

Question: Oceans have many layers of sediments. These layers become compacted when they are buried under other layers of sediments. Which is most likely to happen to the deepest layers? (A) They will be squeezed out onto deltas. (B) They will recrystallize into new rock. (C) They will become part of Earth's outer core. (D) They will melt in magma chambers. Answer: (B) They will recrystallize into new rock.

Mercury_SC_408918

The first microscopes were built in the 1600s. Microscopes have improved since then, but still perform the same job. How do microscopes most help scientists?

A

Question: The first microscopes were built in the 1600s. Microscopes have improved since then, but still perform the same job. How do microscopes most help scientists? (A) They make small objects easier to see. (B) They make distant objects appear closer. (C) They reduce the glare from shiny objects. (D) The improve the brightness of dim objects.

Answer: (A) They make small objects easier to see.

Answer: (B) They make distant objects appear closer.

Question: The first microscopes were built in the 1600s. Microscopes have improved since then, but still perform the same job. How do microscopes most help scientists? (A) They make small objects easier to see. (B) They make distant objects appear closer. (C) They reduce the glare from shiny objects. (D) The improve the brightness of dim objects. Answer: (A) They make small objects easier to see.

Mercury_SC_407724

What do plants take from the air that helps them make food?

C

Question: What do plants take from the air that helps them make food? (A) oxygen (B) nitrogen (C) carbon dioxide (D) hydrogen peroxide

Answer: (C) carbon dioxide

Answer: (A) oxygen

Question: What do plants take from the air that helps them make food? (A) oxygen (B) nitrogen (C) carbon dioxide (D) hydrogen peroxide Answer: (C) carbon dioxide

TIMSS_2003_8_pg24

When a person sees something, what carries the message from the eyes to the brain?

D

Question: When a person sees something, what carries the message from the eyes to the brain? (A) arteries (B) glands (C) muscles (D) nerves (E) veins

Answer: (D) nerves

Answer: (C) muscles

Question: When a person sees something, what carries the message from the eyes to the brain? (A) arteries (B) glands (C) muscles (D) nerves (E) veins Answer: (D) nerves

Mercury_7220150

Which of the following is an abiotic factor that can influence the quantity of fish a pond can support?

C

Question: Which of the following is an abiotic factor that can influence the quantity of fish a pond can support? (A) availability of plants (B) concentration of bacteria (C) quality of water (D) number of consumers

Answer: (C) quality of water

Answer: (A) availability of plants

Question: Which of the following is an abiotic factor that can influence the quantity of fish a pond can support? (A) availability of plants (B) concentration of bacteria (C) quality of water (D) number of consumers Answer: (C) quality of water

Mercury_7044170

The islands in the mid-Pacific Ocean region were formed by

D

Question: The islands in the mid-Pacific Ocean region were formed by (A) land subsidence. (B) deposition from currents. (C) wind and water erosion. (D) volcanic activity.

Answer: (D) volcanic activity.

Answer: (A) land subsidence.

Question: The islands in the mid-Pacific Ocean region were formed by (A) land subsidence. (B) deposition from currents. (C) wind and water erosion. (D) volcanic activity. Answer: (D) volcanic activity.

NYSEDREGENTS_2011_8_8

Which term identifies a single unit of hereditary information?

4

Question: Which term identifies a single unit of hereditary information? (1) egg cell (2) sperm cell (3) nucleus (4) gene

Answer: (4) gene

Answer: (3) nucleus

Question: Which term identifies a single unit of hereditary information? (1) egg cell (2) sperm cell (3) nucleus (4) gene Answer: (4) gene

NYSEDREGENTS_2004_4_15

A mother hen clucks loudly when danger is near and her chicks quickly gather around her. Which sense helps the chicks receive this warning about danger from their mother?

D

Question: A mother hen clucks loudly when danger is near and her chicks quickly gather around her. Which sense helps the chicks receive this warning about danger from their mother? (A) smell (B) taste (C) sight (D) sound

Answer: (D) sound

Answer: (C) sight

Question: A mother hen clucks loudly when danger is near and her chicks quickly gather around her. Which sense helps the chicks receive this warning about danger from their mother? (A) smell (B) taste (C) sight (D) sound Answer: (D) sound

Mercury_SC_401194

Newly hatched turtles are easy prey for other animals. What is an important ability turtles have for better survival of their offspring?

C

Question: Newly hatched turtles are easy prey for other animals. What is an important ability turtles have for better survival of their offspring? (A) to fight off predators (B) to produce a toxin that makes them taste bad (C) to lay hundreds of eggs so a few will survive (D) to dig a hole and hide from predators

Answer: (C) to lay hundreds of eggs so a few will survive

Answer: (A) to fight off predators

Question: Newly hatched turtles are easy prey for other animals. What is an important ability turtles have for better survival of their offspring? (A) to fight off predators (B) to produce a toxin that makes them taste bad (C) to lay hundreds of eggs so a few will survive (D) to dig a hole and hide from predators Answer: (C) to lay hundreds of eggs so a few will survive

Mercury_7187023

Mr. Mendoza's class studied different body systems. What is an important function of the circulatory system?

B

Question: Mr. Mendoza's class studied different body systems. What is an important function of the circulatory system? (A) providing structural support to muscles (B) carrying oxygen to cells (C) getting energy from food (D) sending messages to the brain

Answer: (B) carrying oxygen to cells

Answer: (C) getting energy from food

Question: Mr. Mendoza's class studied different body systems. What is an important function of the circulatory system? (A) providing structural support to muscles (B) carrying oxygen to cells (C) getting energy from food (D) sending messages to the brain Answer: (B) carrying oxygen to cells

Mercury_SC_413533

Which example shows a new substance being formed?

A

Question: Which example shows a new substance being formed? (A) a candle burning (B) a shoelace being tied (C) a pipe being cut in half (D) a block of ice melting

Answer: (A) a candle burning

Answer: (B) a shoelace being tied

Question: Which example shows a new substance being formed? (A) a candle burning (B) a shoelace being tied (C) a pipe being cut in half (D) a block of ice melting Answer: (A) a candle burning

MEA_2016_8_7

What do all mammals have in common that distinguishes them from birds?

B

Question: What do all mammals have in common that distinguishes them from birds? (A) eyes (B) fur (C) a brain (D) a heart

Answer: (B) fur

Answer: (C) a brain

Question: What do all mammals have in common that distinguishes them from birds? (A) eyes (B) fur (C) a brain (D) a heart Answer: (B) fur

Mercury_SC_400852

Grooves running down the sides of a riverbank are most likely caused by

D

Question: Grooves running down the sides of a riverbank are most likely caused by (A) wind. (B) rocks. (C) leaves. (D) rainwater.

Answer: (D) rainwater.

Answer: (B) rocks.

Question: Grooves running down the sides of a riverbank are most likely caused by (A) wind. (B) rocks. (C) leaves. (D) rainwater. Answer: (D) rainwater.

MCAS_2013_5_29399

Which of the following best describes a mineral?

A

Question: Which of the following best describes a mineral? (A) a solid natural material with a crystal structure (B) a material that was once living but has decayed (C) a liquid chemical used to make soil more fertile (D) a nutrient produced by plants that other organisms need

Answer: (A) a solid natural material with a crystal structure

Answer: (B) a material that was once living but has decayed

Question: Which of the following best describes a mineral? (A) a solid natural material with a crystal structure (B) a material that was once living but has decayed (C) a liquid chemical used to make soil more fertile (D) a nutrient produced by plants that other organisms need Answer: (A) a solid natural material with a crystal structure

Mercury_SC_409569

Plankton are tiny ocean organisms. The role of one type of plankton is to use the energy from the Sun to produce food that other animals eat. Which organism has the same role in the ocean as this type of plankton?

A

Question: Plankton are tiny ocean organisms. The role of one type of plankton is to use the energy from the Sun to produce food that other animals eat. Which organism has the same role in the ocean as this type of plankton? (A) seaweed (B) turtle (C) dolphin (D) crab

Answer: (A) seaweed

Answer: (B) turtle

Question: Plankton are tiny ocean organisms. The role of one type of plankton is to use the energy from the Sun to produce food that other animals eat. Which organism has the same role in the ocean as this type of plankton? (A) seaweed (B) turtle (C) dolphin (D) crab Answer: (A) seaweed

Mercury_7043698

How many times does the Moon rotate on its axis during a lunar month?

A

Question: How many times does the Moon rotate on its axis during a lunar month? (A) one (B) two (C) three (D) four

Answer: (A) one

Answer: (D) four

Question: How many times does the Moon rotate on its axis during a lunar month? (A) one (B) two (C) three (D) four Answer: (A) one

Mercury_7186585

Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation?

D

Question: Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation? (A) Heavy rainfall increases soil erosion. (B) Melting glaciers cause sea levels to rise. (C) Cold temperatures cause rocks to weather. (D) Drought conditions increase competition among consumers.

Answer: (D) Drought conditions increase competition among consumers.

Answer: (A) Heavy rainfall increases soil erosion.

Question: Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation? (A) Heavy rainfall increases soil erosion. (B) Melting glaciers cause sea levels to rise. (C) Cold temperatures cause rocks to weather. (D) Drought conditions increase competition among consumers. Answer: (D) Drought conditions increase competition among consumers.

Mercury_7207200

There are several different types of rock. Each type of rock is formed under different conditions. How are sedimentary rocks, such as shale and sandstone, formed?

C

Question: There are several different types of rock. Each type of rock is formed under different conditions. How are sedimentary rocks, such as shale and sandstone, formed? (A) Particles are heated by the Sun. (B) Particles are melted together by magma. (C) Particles are compressed into layers. (D) Particles are changed into liquids.

Answer: (C) Particles are compressed into layers.

Answer: (D) Particles are changed into liquids.

Question: There are several different types of rock. Each type of rock is formed under different conditions. How are sedimentary rocks, such as shale and sandstone, formed? (A) Particles are heated by the Sun. (B) Particles are melted together by magma. (C) Particles are compressed into layers. (D) Particles are changed into liquids. Answer: (C) Particles are compressed into layers.

Mercury_7216178

Which disease is correctly paired with the cause of the disease?

A

Question: Which disease is correctly paired with the cause of the disease? (A) athlete's foot - fungi (B) malaria - viruses (C) influenza - bacteria (D) pneumonia - protists

Answer: (A) athlete's foot - fungi

Answer: (D) pneumonia - protists

Question: Which disease is correctly paired with the cause of the disease? (A) athlete's foot - fungi (B) malaria - viruses (C) influenza - bacteria (D) pneumonia - protists Answer: (A) athlete's foot - fungi

Mercury_7228760

Unequal distribution of the hormone auxin in plants helps to regulate the direction of plant growth. Which of the following is accomplished by plants in regulating the distribution of auxin?

D

Question: Unequal distribution of the hormone auxin in plants helps to regulate the direction of plant growth. Which of the following is accomplished by plants in regulating the distribution of auxin? (A) pollination of flowers (B) transportation of nutrients (C) discouraging predation (D) responding to the environment

Answer: (D) responding to the environment

Answer: (B) transportation of nutrients

Question: Unequal distribution of the hormone auxin in plants helps to regulate the direction of plant growth. Which of the following is accomplished by plants in regulating the distribution of auxin? (A) pollination of flowers (B) transportation of nutrients (C) discouraging predation (D) responding to the environment Answer: (D) responding to the environment

NCEOGA_2013_8_31

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

D

Question: Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick? (A) contact with environmental sources (B) contact with an infected animal (C) contact with a contaminated object (D) contact with an infected person

Answer: (D) contact with an infected person

Answer: (B) contact with an infected animal

Question: Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick? (A) contact with environmental sources (B) contact with an infected animal (C) contact with a contaminated object (D) contact with an infected person Answer: (D) contact with an infected person

Mercury_SC_LBS10264

One way to protect against food poisoning is to

A

Question: One way to protect against food poisoning is to (A) cook food to proper temperatures. (B) combine different types of food. (C) store food in glass containers. (D) defrost meat slowly on the counter.

Answer: (A) cook food to proper temperatures.

Answer: (B) combine different types of food.

Question: One way to protect against food poisoning is to (A) cook food to proper temperatures. (B) combine different types of food. (C) store food in glass containers. (D) defrost meat slowly on the counter. Answer: (A) cook food to proper temperatures.

Mercury_7003430

Which statement is a MAJOR mistake in the experimental design?

A

Question: Which statement is a MAJOR mistake in the experimental design? (A) A control group was not used. (B) The same type of pot and soil was used. (C) Each plant received the same amount of water. (D) Too much data will be collected in three weeks.

Answer: (A) A control group was not used.

Answer: (B) The same type of pot and soil was used.

Question: Which statement is a MAJOR mistake in the experimental design? (A) A control group was not used. (B) The same type of pot and soil was used. (C) Each plant received the same amount of water. (D) Too much data will be collected in three weeks. Answer: (A) A control group was not used.

Mercury_SC_406050

Which effect do rapidly cooling temperatures have on the water cycle?

B

Question: Which effect do rapidly cooling temperatures have on the water cycle? (A) Water droplets evaporate into vapor. (B) Water vapor condenses into droplets. (C) Condensation evaporates into precipitation. (D) Precipitation condenses into water droplets.

Answer: (B) Water vapor condenses into droplets.

Answer: (A) Water droplets evaporate into vapor.

Question: Which effect do rapidly cooling temperatures have on the water cycle? (A) Water droplets evaporate into vapor. (B) Water vapor condenses into droplets. (C) Condensation evaporates into precipitation. (D) Precipitation condenses into water droplets. Answer: (B) Water vapor condenses into droplets.

MCAS_2006_8_16

A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region?

C

Question: A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region? (A) It was once below a waterfall. (B) It was once part of a riverbed. (C) It was once covered by an ocean. (D) It was once near a freshwater lake.

Answer: (C) It was once covered by an ocean.

Answer: (B) It was once part of a riverbed.

Question: A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region? (A) It was once below a waterfall. (B) It was once part of a riverbed. (C) It was once covered by an ocean. (D) It was once near a freshwater lake. Answer: (C) It was once covered by an ocean.

Mercury_LBS10959

A student is measuring the distance a car travels down a ramp using yards. Which measurement is most similar in length when using the metric system of measurement?

D

Question: A student is measuring the distance a car travels down a ramp using yards. Which measurement is most similar in length when using the metric system of measurement? (A) centimeter (B) kilometer (C) millimeter (D) meter

Answer: (D) meter

Answer: (B) kilometer

Question: A student is measuring the distance a car travels down a ramp using yards. Which measurement is most similar in length when using the metric system of measurement? (A) centimeter (B) kilometer (C) millimeter (D) meter Answer: (D) meter

NYSEDREGENTS_2006_4_14

A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass?

C

Question: A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass? (A) electricity (B) friction (C) gravity (D) magnetism

Answer: (C) gravity

Answer: (B) friction

Question: A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass? (A) electricity (B) friction (C) gravity (D) magnetism Answer: (C) gravity

Mercury_7027300

Which scientist formulated rules that describe the observable relationships of plant traits to the traits of the ancestor plants?

B

Question: Which scientist formulated rules that describe the observable relationships of plant traits to the traits of the ancestor plants? (A) Linus Pauling (B) Gregor Mendel (C) James Watson (D) Albert Einstein

Answer: (B) Gregor Mendel

Answer: (D) Albert Einstein

Question: Which scientist formulated rules that describe the observable relationships of plant traits to the traits of the ancestor plants? (A) Linus Pauling (B) Gregor Mendel (C) James Watson (D) Albert Einstein Answer: (B) Gregor Mendel

Mercury_SC_LBS10923

The invention of the telescope allowed which of the following to take place?

C

Question: The invention of the telescope allowed which of the following to take place? (A) the discovery of cells (B) the identification of weather patterns (C) detailed observation of planets (D) communication between distant cities

Answer: (C) detailed observation of planets

Answer: (A) the discovery of cells

Question: The invention of the telescope allowed which of the following to take place? (A) the discovery of cells (B) the identification of weather patterns (C) detailed observation of planets (D) communication between distant cities Answer: (C) detailed observation of planets

NYSEDREGENTS_2007_4_7

Which instrument should a student use to measure exactly 10 milliliters (mL) of water?

A

Question: Which instrument should a student use to measure exactly 10 milliliters (mL) of water? (A) graduated cylinder (B) pan balance (C) ruler (D) thermometer

Answer: (A) graduated cylinder

Answer: (C) ruler

Question: Which instrument should a student use to measure exactly 10 milliliters (mL) of water? (A) graduated cylinder (B) pan balance (C) ruler (D) thermometer Answer: (A) graduated cylinder

TIMSS_2011_8_pg24

A gas is heated and its temperature increases. What happens to the gas molecules?

B

Question: A gas is heated and its temperature increases. What happens to the gas molecules? (A) They get bigger. (B) They move faster. (C) They move slower. (D) They increase in number.

Answer: (B) They move faster.

Answer: (C) They move slower.

Question: A gas is heated and its temperature increases. What happens to the gas molecules? (A) They get bigger. (B) They move faster. (C) They move slower. (D) They increase in number. Answer: (B) They move faster.

Mercury_SC_401210

Which tool is used to measure the diameter of a dime?

A

Question: Which tool is used to measure the diameter of a dime? (A) ruler (B) beaker (C) balance (D) compass

Answer: (A) ruler

Answer: (B) beaker

Question: Which tool is used to measure the diameter of a dime? (A) ruler (B) beaker (C) balance (D) compass Answer: (A) ruler

Mercury_7154525

A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?

C

Question: A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought? (A) stop searching for food until it begins to rain (B) begin reproducing to increase population (C) move to a new area to find food (D) start the process of hibernation

Answer: (C) move to a new area to find food

Answer: (A) stop searching for food until it begins to rain

Question: A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought? (A) stop searching for food until it begins to rain (B) begin reproducing to increase population (C) move to a new area to find food (D) start the process of hibernation Answer: (C) move to a new area to find food

NYSEDREGENTS_2007_8_18

Which unit is used to indicate the amount of energy in food?

3

Question: Which unit is used to indicate the amount of energy in food? (1) ounce (2) degree (3) calorie (4) gram

Answer: (3) calorie

Answer: (4) gram

Question: Which unit is used to indicate the amount of energy in food? (1) ounce (2) degree (3) calorie (4) gram Answer: (3) calorie

Mercury_7212695

Wire was looped several times around an iron nail, and the wire's ends were connected to a battery. For which of these will this device most likely be used?

C

Question: Wire was looped several times around an iron nail, and the wire's ends were connected to a battery. For which of these will this device most likely be used? (A) to produce a heat source (B) to demonstrate frictional forces (C) to create a magnetic field (D) to generate a sound wave

Answer: (C) to create a magnetic field

Answer: (A) to produce a heat source

Question: Wire was looped several times around an iron nail, and the wire's ends were connected to a battery. For which of these will this device most likely be used? (A) to produce a heat source (B) to demonstrate frictional forces (C) to create a magnetic field (D) to generate a sound wave Answer: (C) to create a magnetic field

NYSEDREGENTS_2005_8_3

Dust and ash entering the atmosphere as a result of volcanic eruptions can affect Earth's

3

Question: Dust and ash entering the atmosphere as a result of volcanic eruptions can affect Earth's (1) tidal activity (2) orbital shape (3) weather and climate (4) rotation and revolution

Answer: (3) weather and climate

Answer: (4) rotation and revolution

Question: Dust and ash entering the atmosphere as a result of volcanic eruptions can affect Earth's (1) tidal activity (2) orbital shape (3) weather and climate (4) rotation and revolution Answer: (3) weather and climate

TIMSS_2011_8_pg111

During which chemical process is energy absorbed?

D

Question: During which chemical process is energy absorbed? (A) iron nails rusting (B) candles burning (C) vegetables rotting (D) plants photosynthesizing

Answer: (D) plants photosynthesizing

Answer: (B) candles burning

Question: During which chemical process is energy absorbed? (A) iron nails rusting (B) candles burning (C) vegetables rotting (D) plants photosynthesizing Answer: (D) plants photosynthesizing

Mercury_178640

When two nuclei are combined into one nucleus, there is a slight change in mass and the release of a large amount of energy. What is this process called?

D

Question: When two nuclei are combined into one nucleus, there is a slight change in mass and the release of a large amount of energy. What is this process called? (A) conversion (B) reaction (C) fission (D) fusion

Answer: (D) fusion

Answer: (A) conversion

Question: When two nuclei are combined into one nucleus, there is a slight change in mass and the release of a large amount of energy. What is this process called? (A) conversion (B) reaction (C) fission (D) fusion Answer: (D) fusion

Mercury_7126228

The sound, light, and heat that a firecracker produces are originally stored as which type of energy?

B

Question: The sound, light, and heat that a firecracker produces are originally stored as which type of energy? (A) nuclear energy (B) chemical energy (C) electrical energy (D) mechanical energy

Answer: (B) chemical energy

Answer: (D) mechanical energy

Question: The sound, light, and heat that a firecracker produces are originally stored as which type of energy? (A) nuclear energy (B) chemical energy (C) electrical energy (D) mechanical energy Answer: (B) chemical energy

Mercury_7136920

Vehicle exhaust contains a form of pollution called particulate matter. Technologies are being developed to reduce the amount of particulate matter in exhaust. A vehicle that produces less particulate matter would have the greatest impact on which aspect of human health?

B

Question: Vehicle exhaust contains a form of pollution called particulate matter. Technologies are being developed to reduce the amount of particulate matter in exhaust. A vehicle that produces less particulate matter would have the greatest impact on which aspect of human health? (A) heart health (B) respiratory health (C) the rate of birth defects (D) weight and physical fitness

Answer: (B) respiratory health

Answer: (A) heart health

Question: Vehicle exhaust contains a form of pollution called particulate matter. Technologies are being developed to reduce the amount of particulate matter in exhaust. A vehicle that produces less particulate matter would have the greatest impact on which aspect of human health? (A) heart health (B) respiratory health (C) the rate of birth defects (D) weight and physical fitness Answer: (B) respiratory health

Mercury_SC_408308

Janet learns that Earth is tilted. Due to its tilt, some areas on the surface of Earth experience darkness for an entire day. Which plant process is affected most during this darkness?

C

Question: Janet learns that Earth is tilted. Due to its tilt, some areas on the surface of Earth experience darkness for an entire day. Which plant process is affected most during this darkness? (A) root growth (B) reproduction (C) photosynthesis (D) water absorption

Answer: (C) photosynthesis

Answer: (A) root growth

Question: Janet learns that Earth is tilted. Due to its tilt, some areas on the surface of Earth experience darkness for an entire day. Which plant process is affected most during this darkness? (A) root growth (B) reproduction (C) photosynthesis (D) water absorption Answer: (C) photosynthesis

Mercury_7219310

What types of cells are found only in organisms that reproduce sexually?

D

Question: What types of cells are found only in organisms that reproduce sexually? (A) blood cells (B) neurons (C) skin cells (D) gametes

Answer: (D) gametes

Answer: (A) blood cells

Question: What types of cells are found only in organisms that reproduce sexually? (A) blood cells (B) neurons (C) skin cells (D) gametes Answer: (D) gametes

Mercury_7057190

Several dinosaur bones are discovered buried in volcanic ash. The type of dinosaur can best be identified by

C

Question: Several dinosaur bones are discovered buried in volcanic ash. The type of dinosaur can best be identified by (A) knowing the location where the fossils were found. (B) establishing an inventory of bones collected. (C) comparing to characteristics of known dinosaurs. (D) knowing the absolute age of the fossils.

Answer: (C) comparing to characteristics of known dinosaurs.

Answer: (B) establishing an inventory of bones collected.

Question: Several dinosaur bones are discovered buried in volcanic ash. The type of dinosaur can best be identified by (A) knowing the location where the fossils were found. (B) establishing an inventory of bones collected. (C) comparing to characteristics of known dinosaurs. (D) knowing the absolute age of the fossils. Answer: (C) comparing to characteristics of known dinosaurs.

Mercury_7144515

Stretching is considered an important step before engaging in sports. In an investigation to see whether stretching before physical exertion reduces sports injuries, who would the control group most likely be?

C

Question: Stretching is considered an important step before engaging in sports. In an investigation to see whether stretching before physical exertion reduces sports injuries, who would the control group most likely be? (A) athletes who stretch before working out (B) non-athletes who stretch before working out (C) athletes who do not stretch before working out (D) non-athletes who do not stretch before working out

Answer: (C) athletes who do not stretch before working out

Answer: (D) non-athletes who do not stretch before working out

Question: Stretching is considered an important step before engaging in sports. In an investigation to see whether stretching before physical exertion reduces sports injuries, who would the control group most likely be? (A) athletes who stretch before working out (B) non-athletes who stretch before working out (C) athletes who do not stretch before working out (D) non-athletes who do not stretch before working out Answer: (C) athletes who do not stretch before working out

MCAS_1999_4_34

In the first half of this century, which technology allowed people, for the first time, to work IN the city but live OUTSIDE the city?

B

Question: In the first half of this century, which technology allowed people, for the first time, to work IN the city but live OUTSIDE the city? (A) airplanes (B) automobiles (C) telephones (D) television

Answer: (B) automobiles

Answer: (A) airplanes

Question: In the first half of this century, which technology allowed people, for the first time, to work IN the city but live OUTSIDE the city? (A) airplanes (B) automobiles (C) telephones (D) television Answer: (B) automobiles

Mercury_7171518

Most sedimentary rock is made from sediments of other rock. Which of these processes would the sediments most likely go through to form sedimentary rock?

A

Question: Most sedimentary rock is made from sediments of other rock. Which of these processes would the sediments most likely go through to form sedimentary rock? (A) compaction and cementation (B) folding and recrystallization (C) melting and solidifying (D) heating and pressure

Answer: (A) compaction and cementation

Answer: (C) melting and solidifying

Question: Most sedimentary rock is made from sediments of other rock. Which of these processes would the sediments most likely go through to form sedimentary rock? (A) compaction and cementation (B) folding and recrystallization (C) melting and solidifying (D) heating and pressure Answer: (A) compaction and cementation

NAEP_2005_4_S14+10

Rocks and Earth and on the Moon are made of similar materials. What does this observation most likely suggest?

C

Question: Rocks and Earth and on the Moon are made of similar materials. What does this observation most likely suggest? (A) Both the Moon and Earth split off from the Sun. (B) Life must have existed on the Moon at one time. (C) The Moon was probably formed from material from Earth. (D) The whole solar system is made up of the same kinds of rocks.

Answer: (C) The Moon was probably formed from material from Earth.

Answer: (A) Both the Moon and Earth split off from the Sun.

Question: Rocks and Earth and on the Moon are made of similar materials. What does this observation most likely suggest? (A) Both the Moon and Earth split off from the Sun. (B) Life must have existed on the Moon at one time. (C) The Moon was probably formed from material from Earth. (D) The whole solar system is made up of the same kinds of rocks. Answer: (C) The Moon was probably formed from material from Earth.

Mercury_7097773

In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is

B

Question: In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is (A) produced when plants grow. (B) recycled when organisms die. (C) lost when animals and plants die. (D) formed when new animals are born.

Answer: (B) recycled when organisms die.

Answer: (C) lost when animals and plants die.

Question: In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is (A) produced when plants grow. (B) recycled when organisms die. (C) lost when animals and plants die. (D) formed when new animals are born. Answer: (B) recycled when organisms die.

MDSA_2011_8_34

Data indicate that chemical pollutants contaminate 53% of the waterways that empty into the Chesapeake Bay. These chemical pollutants are found in the tissues of animals living in the bay. Which group of people who live away from the bay might be most affected by these chemical pollutants?

C

Question: Data indicate that chemical pollutants contaminate 53% of the waterways that empty into the Chesapeake Bay. These chemical pollutants are found in the tissues of animals living in the bay. Which group of people who live away from the bay might be most affected by these chemical pollutants? (A) people who walk near the bay (B) people who read books about the bay (C) people who consume fish from the bay (D) people who own boats docked in the bay

Answer: (C) people who consume fish from the bay

Answer: (A) people who walk near the bay

Question: Data indicate that chemical pollutants contaminate 53% of the waterways that empty into the Chesapeake Bay. These chemical pollutants are found in the tissues of animals living in the bay. Which group of people who live away from the bay might be most affected by these chemical pollutants? (A) people who walk near the bay (B) people who read books about the bay (C) people who consume fish from the bay (D) people who own boats docked in the bay Answer: (C) people who consume fish from the bay

AKDE&ED_2012_8_13

Which behavior can help animals establish a territory?

C

Question: Which behavior can help animals establish a territory? (A) A caribou herd migrates seasonally. (B) A scent trail leads ants to a food source. (C) A wolf pack howls to warn other wolves to stay away. (D) A honeybee society divides the work between its members.

Answer: (C) A wolf pack howls to warn other wolves to stay away.

Answer: (A) A caribou herd migrates seasonally.

Question: Which behavior can help animals establish a territory? (A) A caribou herd migrates seasonally. (B) A scent trail leads ants to a food source. (C) A wolf pack howls to warn other wolves to stay away. (D) A honeybee society divides the work between its members. Answer: (C) A wolf pack howls to warn other wolves to stay away.