Question 1

What usually happens to the energy during an energy transformation?

Accepted Answer

A)  It ends up as chemical energy that performs useful work. 
B)  It ends up as low-quality heat energy that flows into the environment. 
C)  It ends up as electrical energy that performs useful work. 
D)  It ends up as mechanical energy that performs useful work. 
A)  It ends up as chemical energy that performs useful work. 
B)  It ends up as low-quality heat energy that flows into the environment. 
C)  It ends up as electrical energy that performs useful work. 
D)  It ends up as mechanical energy that performs useful work. B

Question 2

Which of the following is an example of kinetic energy?

Accepted Answer

A)  a chunk of coal 
B)  a stick of dynamite 
C)  a falling rock 
D)  a pellet of uranium oxide 
A)  a chunk of coal 
B)  a stick of dynamite 
C)  a falling rock 
D)  a pellet of uranium oxide C

Question 3

Which energy source has the lowest quality?

Accepted Answer

A)  dispersed geothermal energy 
B)  firewood 
C)  food 
D)  high-velocity water flow 
A)  dispersed geothermal energy 
B)  firewood 
C)  food 
D)  high-velocity water flow A

Question 4

Which law of physics governs nuclear changes?

Accepted Answer

A)  law of conservation of matter and energy 
B)  law of entropy 
C)  law of conservation of energy 
D)  law of conservation of matter 
A)  law of conservation of matter and energy 
B)  law of entropy 
C)  law of conservation of energy 
D)  law of conservation of matter

Question 5

What is the electronic charge of an ion?

Accepted Answer

A)  a net negative charge 
B)  no charge 
C)  a net positive charge 
D)  a net positive or a net negative charge 
A)  a net negative charge 
B)  no charge 
C)  a net positive charge 
D)  a net positive or a net negative charge

Question 6

Energy cannot be recycled.

Accepted Answer

A) True 
 B)False

Question 7

What is the most common form of energy released from radioisotopes?

Accepted Answer

A)  cosmic rays 
B)  ultraviolet rays 
C)  gamma rays 
D)  x-rays 
A)  cosmic rays 
B)  ultraviolet rays 
C)  gamma rays 
D)  x-rays

Question 8

Which amount indicates the measurement of pollutants in parts per trillion (ppt)?

Accepted Answer

A)  one drop in 1 000 000 litres 
B)  one drop in 10 000 000 litres 
C)  one drop in 100 000 000 litres 
D)  one drop in 1 000 000 000 litres 
A)  one drop in 1 000 000 litres 
B)  one drop in 10 000 000 litres 
C)  one drop in 100 000 000 litres 
D)  one drop in 1 000 000 000 litres

Question 9

What is the first law of thermodynamics?

Accepted Answer

In all physical and chemical c

Question 10

What does a positive feedback loop do?

Accepted Answer

A)  A positive feedback loop accelerates change and goes on infinitely. 
B)  A positive feedback loop slows down change and goes on infinitely. 
C)  A positive feedback loop slows down change and is finite. 
D)  A positive feedback loop accelerates change and is finite. 
A)  A positive feedback loop accelerates change and goes on infinitely. 
B)  A positive feedback loop slows down change and goes on infinitely. 
C)  A positive feedback loop slows down change and is finite. 
D)  A positive feedback loop accelerates change and is finite.

Question 11

The manufacture of one plastic soda pop bottle requires the consumption of approximately 100 litres of crude oil,100 kilograms of steel,100 litres of water,and various amounts of other materials.Which statement best describes this situation?

Accepted Answer

A)  Plastic bottles have a low material efficiency. 
B)  Plastic bottles have a high resource productivity. 
C)  Most of the matter used to manufacture plastic bottles ends up in the bottle. 
D)  Plastic bottles represent an efficient use of resources. 
A)  Plastic bottles have a low material efficiency. 
B)  Plastic bottles have a high resource productivity. 
C)  Most of the matter used to manufacture plastic bottles ends up in the bottle. 
D)  Plastic bottles represent an efficient use of resources.

Question 12

Why is there no "away"?

Accepted Answer

The law of conservation of mat

Question 13

________________________________________ explains why a barrel of oil can be used only once as fuel.

Accepted Answer

The second

Question 14

What type of models do weather forecasters rely on?

Accepted Answer

A)  complicated theological models 
B)  complicated conceptual models 
C)  complicated mathematical models 
D)  complicated mental models 
A)  complicated theological models 
B)  complicated conceptual models 
C)  complicated mathematical models 
D)  complicated mental models

Question 15

NO₂ is an example of a(n)____________________.

Accepted Answer

The answer of NO₂ is an example of a(n)____________________....

Question 16

The community knew the effects of Chemical X and Chemical Y when used independently of one another.Safe limits were set for the use of each chemical.When both chemicals were released into the environment at their safe levels,but at the same time and location,massive quantities of fish died.What is the most probable explanation for this occurrence?

Accepted Answer

A)  negative feedback 
B)  synergistic interaction 
C)  positive feedback 
D)  homeostasis 
A)  negative feedback 
B)  synergistic interaction 
C)  positive feedback 
D)  homeostasis

Question 17

What is Earth essentially an open system for?

Accepted Answer

A)  energy 
B)  matter and energy 
C)  neither matter nor energy 
D)  matter 
A)  energy 
B)  matter and energy 
C)  neither matter nor energy 
D)  matter

Question 18

Which statement applies to the second law of thermodynamics?

Accepted Answer

A)  Energy conversion results in less dispersed energy. 
B)  Heat is usually given off from energy conversions. 
C)  Energy can be neither created nor destroyed. 
D)  Energy conversion results in higher quality energy. 
A)  Energy conversion results in less dispersed energy. 
B)  Heat is usually given off from energy conversions. 
C)  Energy can be neither created nor destroyed. 
D)  Energy conversion results in higher quality energy.

Question 19

Which description represents a system?

Accepted Answer

A)  multiple mathematical equations used to describe the behaviour of multiple observations 
B)  a set of components that function and interact in some regular and theoretically understandable manner 
C)  a physical model that has positive and negative feedback loops that proves a scientific hypothesis 
D)  a conceptual model that proves a scientific hypothesis 
A)  multiple mathematical equations used to describe the behaviour of multiple observations 
B)  a set of components that function and interact in some regular and theoretically understandable manner 
C)  a physical model that has positive and negative feedback loops that proves a scientific hypothesis 
D)  a conceptual model that proves a scientific hypothesis

Question 20

Which statement is an observation derived from applying the second law of thermodynamics to living systems?

Accepted Answer

A)  Low-quality energy sources are required to maintain life. 
B)  The cooking of foods turns them into high-quality energy sources. 
C)  Living things emit heat. 
D)  Life is a formation and a maintenance of chaotic structures. 
A)  Low-quality energy sources are required to maintain life. 
B)  The cooking of foods turns them into high-quality energy sources. 
C)  Living things emit heat. 
D)  Life is a formation and a maintenance of chaotic structures.

Exam 3: Science, systems, matter, and Energy

What usually happens to the energy during an energy transformation?

Which of the following is an example of kinetic energy?

Which energy source has the lowest quality?

Which law of physics governs nuclear changes?

What is the electronic charge of an ion?

Energy cannot be recycled.

What is the most common form of energy released from radioisotopes?

Which amount indicates the measurement of pollutants in parts per trillion (ppt)?

What is the first law of thermodynamics?

What does a positive feedback loop do?

The manufacture of one plastic soda pop bottle requires the consumption of approximately 100 litres of crude oil,100 kilograms of steel,100 litres of water,and various amounts of other materials.Which statement best describes this situation?

Why is there no "away"?

________________________________________ explains why a barrel of oil can be used only once as fuel.

What type of models do weather forecasters rely on?

NO₂ is an example of a(n)____________________.

What is Earth essentially an open system for?

Which statement applies to the second law of thermodynamics?

Which description represents a system?

Which statement is an observation derived from applying the second law of thermodynamics to living systems?

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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