Question 1

In a nuclear fission reaction atoms are destroyed.

Accepted Answer

A) True 
 B)False

Question 2

The distinct piece of DNA containing instructions for making proteins is

Accepted Answer

A) the chromosome 
B) the nucleotide 
C) the amino acid 
D) the cell membrane 
E) the hydrocarbon 
A) the chromosome 
B) the nucleotide 
C) the amino acid 
D) the cell membrane 
E) the hydrocarbon

Question 3

A very useful tool in studying living systems is the use of computer models or simulations.

Accepted Answer

A) True 
 B)False

Question 4

A positive feedback loop is illustrated by all of the following except

Accepted Answer

A) melting polar ice 
B) exponential population growth 
C) a thermostat maintaining a certain temperature in your house 
D) the greenhouse effect 
E) none of these 
A) melting polar ice 
B) exponential population growth 
C) a thermostat maintaining a certain temperature in your house 
D) the greenhouse effect 
E) none of these

Question 5

Earth's supply of concentrated, usable energy is being steadily

Accepted Answer

A) depleted 
B) recycled 
C) reused 
D) converted to more usable forms 
E) converted to higher-quality forms 
A) depleted 
B) recycled 
C) reused 
D) converted to more usable forms 
E) converted to higher-quality forms

Question 6

Burning coal demonstrates the conversion of energy from kinetic to potential.

Accepted Answer

A) True 
 B)False

Question 7

A well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way, is called a(n)

Accepted Answer

A) theory 
B) scientific law 
C) hypothesis 
D) conclusion 
E) none of these 
A) theory 
B) scientific law 
C) hypothesis 
D) conclusion 
E) none of these

Question 8

Thousands of genes make up a single _______________, a double helix DNA molecule wrapped around proteins.

Accepted Answer

The answer of Thousands of genes make up a single...

Question 9

-The figure above indicates the general flow within an economic system.For many years this concept has been thought of as indicative of individual nations, or subunits of nations.Now it is increasingly indicative of a global economy.What changes are occurring as a result of this change to the global economy?

Accepted Answer

One change has been the increased volume

Question 10

The atomic number is the number of

Accepted Answer

A) atoms in a molecule 
B) protons in an atom 
C) neutrons in a molecule 
D) electrons in an atom 
E) protons, electrons, and neutrons 
A) atoms in a molecule 
B) protons in an atom 
C) neutrons in a molecule 
D) electrons in an atom 
E) protons, electrons, and neutrons

Question 11

Which of the following does not represent kinetic energy?

Accepted Answer

A) the wind blowing 
B) water in a stream 
C) steam 
D) a car at the top of a hill 
E) electricity 
A) the wind blowing 
B) water in a stream 
C) steam 
D) a car at the top of a hill 
E) electricity

Question 12

When an overwhelming body of observations and measurements supports a scientific hypothesis or group of related hypotheses, it becomes a(n)

Accepted Answer

A) hypothesis 
B) scientific law 
C) scientific variable 
D) scientific theory 
E) conclusion 
A) hypothesis 
B) scientific law 
C) scientific variable 
D) scientific theory 
E) conclusion

Question 13

Scientists tend to be highly skeptical of new data, hypotheses, and models until they can be tested and verified.

Accepted Answer

A) True 
 B)False

Question 14

When someone says that evolution is not important, "after all, it's just a theory," it is probable that they do not understand how scientists use the term "theory."

Accepted Answer

A) True 
 B)False

Question 15

Protons, neutrons, and electrons are all

Accepted Answer

A) forms of energy 
B) equal in mass 
C) subatomic particles 
D) negative ions 
E) charged particles 
A) forms of energy 
B) equal in mass 
C) subatomic particles 
D) negative ions 
E) charged particles

Question 16

Much of the energy produced is lost before it can become useful.Explain how energy efficiency, or energy productivity, and the second law of thermodynamics may be useful in a discussion with another person on how to reduce CO₂ and other greenhouse gas emissions.

Accepted Answer

Machines that use fossil fuels are very

Question 17

All of the following are elements except

Accepted Answer

A) water 
B) oxygen 
C) nitrogen 
D) hydrogen 
E) carbon 
A) water 
B) oxygen 
C) nitrogen 
D) hydrogen 
E) carbon

Question 18

Time delays in feedback systems allow changes in the environment to build slowly until the changes reach a(n)

Accepted Answer

A) synergy point 
B) input 
C) throughput 
D) tipping point 
E) bioaccumulation point 
A) synergy point 
B) input 
C) throughput 
D) tipping point 
E) bioaccumulation point

Question 19

Which of the following is the fundamental structural and functional unit of life?

Accepted Answer

A) atom 
B) macromolecule 
C) DNA 
D) cell 
E) organism 
A) atom 
B) macromolecule 
C) DNA 
D) cell 
E) organism

Question 20

Energy can be formally defined as

Accepted Answer

A) the random motion of molecules 
B) the ability to do work and transfer heat 
C) a force that is exerted over some distance 
D) the movement of molecules 
E) the loss of matter 
A) the random motion of molecules 
B) the ability to do work and transfer heat 
C) a force that is exerted over some distance 
D) the movement of molecules 
E) the loss of matter

Exam 2: Science, Matter, Energy, and Systems

In a nuclear fission reaction atoms are destroyed.

The distinct piece of DNA containing instructions for making proteins is

A very useful tool in studying living systems is the use of computer models or simulations.

A positive feedback loop is illustrated by all of the following except

Earth's supply of concentrated, usable energy is being steadily

Burning coal demonstrates the conversion of energy from kinetic to potential.

A well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way, is called a(n)

Thousands of genes make up a single _______________, a double helix DNA molecule wrapped around proteins.

The atomic number is the number of

Which of the following does not represent kinetic energy?

When an overwhelming body of observations and measurements supports a scientific hypothesis or group of related hypotheses, it becomes a(n)

Scientists tend to be highly skeptical of new data, hypotheses, and models until they can be tested and verified.

When someone says that evolution is not important, "after all, it's just a theory," it is probable that they do not understand how scientists use the term "theory."

Protons, neutrons, and electrons are all

Much of the energy produced is lost before it can become useful.Explain how energy efficiency, or energy productivity, and the second law of thermodynamics may be useful in a discussion with another person on how to reduce CO₂ and other greenhouse gas emissions.

All of the following are elements except

Time delays in feedback systems allow changes in the environment to build slowly until the changes reach a(n)

Which of the following is the fundamental structural and functional unit of life?

Energy can be formally defined as

Environmental Problems, Their Causes, and Sustainability

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Terrestrial Biodiversity: the Ecosystem Approach

Sustaining Aquatic Biodiversity

Food, Soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution

Climate Disruption and Ozone Depletion

Water Pollution

Solid and Hazardous Waste

Cities and Sustainability

Economics, Environment, and Sustainability

Politics, Environment, and Sustainability

Environmental Worldviews, Ethics, and Sustainability

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