Question 1

Energy flow can be used to diagram the ecological interdependence of species.

Accepted Answer

A) True 
 B)False

Question 2

What are the two most common types of ionizing particles emitted by radioactive isotopes?

Accepted Answer

A)  electrons and protons 
B)  alpha and beta particles 
C)  gamma and beta particles 
D)  gamma and alpha particles 
A)  electrons and protons 
B)  alpha and beta particles 
C)  gamma and beta particles 
D)  gamma and alpha particles

Question 3

Most developed countries have high-throughput economies which are based on continually increasing the rates of energy and matter flow.

Accepted Answer

A) True 
 B)False

Question 4

When are mathematical models most useful?

Accepted Answer

A)  when controlled experiments are impossible 
B)  when controlled experiments are very easy to perform 
C)  when responses to causing events show no variability 
D)  when there are a few interacting variables 
A)  when controlled experiments are impossible 
B)  when controlled experiments are very easy to perform 
C)  when responses to causing events show no variability 
D)  when there are a few interacting variables

Question 5

Which of the following is the best definition of science?

Accepted Answer

A)  Science is a collection of facts determined by scientific methods. 
B)  Science studies the past to predict the future. 
C)  Science attempts to discover order in nature to interpret the past. 
D)  Science uses data to formulate scientific laws that become the basis for making predictions. 
A)  Science is a collection of facts determined by scientific methods. 
B)  Science studies the past to predict the future. 
C)  Science attempts to discover order in nature to interpret the past. 
D)  Science uses data to formulate scientific laws that become the basis for making predictions.

Question 6

Which statement describes what happens to the energy that is "lost" by a system?

Accepted Answer

A)  It becomes equal to the energy the system creates. 
B)  It is converted to lower-quality energy. 
C)  It is converted into an equal amount of matter. 
D)  It returns to the system eventually. 
A)  It becomes equal to the energy the system creates. 
B)  It is converted to lower-quality energy. 
C)  It is converted into an equal amount of matter. 
D)  It returns to the system eventually.

Question 7

Scientific hypotheses are laws that explain natural processes.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is an example of potential energy?

Accepted Answer

A)  chemical energy in a chocolate bar 
B)  electricity flowing through a wire 
C)  a leaf falling from a tree 
D)  a bullet fired at high velocity 
A)  chemical energy in a chocolate bar 
B)  electricity flowing through a wire 
C)  a leaf falling from a tree 
D)  a bullet fired at high velocity

Question 9

Which molecule might experience a mutation that could be passed from one generation to the next?

Accepted Answer

A)  protein 
B)  hydrocarbon 
C)  DNA 
D)  carbohydrate 
A)  protein 
B)  hydrocarbon 
C)  DNA 
D)  carbohydrate

Question 10

Atoms,ions,and molecules occur only in living organisms.

Accepted Answer

A) True 
 B)False

Question 11

A(n)____________________ interaction occurs when two or more processes interact so that the combined effect is greater than the sum of the separate effects.

Accepted Answer

The answer of A(n)____________________ interaction occurs when two or more...

Question 12

A pH value is a measure of the concentration of hydrogen ions in a water solution.

Accepted Answer

A) True 
 B)False

Question 13

Which statement is a valid conclusion based on the law of conservation of matter?

Accepted Answer

A)  Everything we've thrown away is still here in one form or another. 
B)  We will eventually run out of matter if we keep consuming it at current rates. 
C)  Pollution can be eliminated completely. 
D)  We can throw everything away. 
A)  Everything we've thrown away is still here in one form or another. 
B)  We will eventually run out of matter if we keep consuming it at current rates. 
C)  Pollution can be eliminated completely. 
D)  We can throw everything away.

Question 14

How many H+ ions are there in a solution with a ph of 6 compared to a solution with a ph of 8?

Accepted Answer

A)  2000 less 
B)  2000 more 
C)  100 less 
D)  100 more 
A)  2000 less 
B)  2000 more 
C)  100 less 
D)  100 more

Question 15

What is the relative energy quality of normal sunlight?

Accepted Answer

A)  very high 
B)  low 
C)  high 
D)  moderate 
A)  very high 
B)  low 
C)  high 
D)  moderate

Question 16

Which statement accurately reflects a matter-recycling-and-reuse economy?

Accepted Answer

A)  A matter-recycling society is limited by the environment's capacity to dilute and degrade waste heat and its capacity to absorb and disperse waste matter. 
B)  The goal of a matter-recycling economy is to allow economic growth to continue without depleting matter resources and without producing excessive pollution and environmental degradation. 
C)  A matter-recycling economy becomes independent of high-quality matter because materials can continue to be recycled indefinitely. 
D)  One limit of a matter-recycling economy is dependence on low-quality energy to recycle materials. 
A)  A matter-recycling society is limited by the environment's capacity to dilute and degrade waste heat and its capacity to absorb and disperse waste matter. 
B)  The goal of a matter-recycling economy is to allow economic growth to continue without depleting matter resources and without producing excessive pollution and environmental degradation. 
C)  A matter-recycling economy becomes independent of high-quality matter because materials can continue to be recycled indefinitely. 
D)  One limit of a matter-recycling economy is dependence on low-quality energy to recycle materials.

Question 17

Burning coal demonstrates the first law of thermodynamics.

Accepted Answer

A) True 
 B)False

Question 18

What is the first law of thermodynamics?

Accepted Answer

A)  Energy is neither created nor destroyed. 
B)  Energy cannot be recycled. 
C)  Doing work always creates heat. 
D)  Altering matter is the best source of energy. 
A)  Energy is neither created nor destroyed. 
B)  Energy cannot be recycled. 
C)  Doing work always creates heat. 
D)  Altering matter is the best source of energy.

Question 19

What is the name of the forces of attraction between water molecules?

Accepted Answer

A)  compound bonds 
B)  covalent bonds 
C)  hydrogen bonds 
D)  ionic bonds 
A)  compound bonds 
B)  covalent bonds 
C)  hydrogen bonds 
D)  ionic bonds

Question 20

Low-quality matter is often deep underground.

Accepted Answer

A) True 
 B)False

Exam 3: Science, systems, matter, and Energy

Energy flow can be used to diagram the ecological interdependence of species.

What are the two most common types of ionizing particles emitted by radioactive isotopes?

Most developed countries have high-throughput economies which are based on continually increasing the rates of energy and matter flow.

When are mathematical models most useful?

Which of the following is the best definition of science?

Which statement describes what happens to the energy that is "lost" by a system?

Scientific hypotheses are laws that explain natural processes.

Which of the following is an example of potential energy?

Which molecule might experience a mutation that could be passed from one generation to the next?

Atoms,ions,and molecules occur only in living organisms.

A(n)____________________ interaction occurs when two or more processes interact so that the combined effect is greater than the sum of the separate effects.

A pH value is a measure of the concentration of hydrogen ions in a water solution.

Which statement is a valid conclusion based on the law of conservation of matter?

How many H+ ions are there in a solution with a ph of 6 compared to a solution with a ph of 8?

What is the relative energy quality of normal sunlight?

Which statement accurately reflects a matter-recycling-and-reuse economy?

Burning coal demonstrates the first law of thermodynamics.

What is the first law of thermodynamics?

What is the name of the forces of attraction between water molecules?

Low-quality matter is often deep underground.

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Risk,toxicology,and Human Health

Air Pollution

Climate Change and Ozone Loss

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental World-views, ethics, and Sustainability

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