Question 1

Human events that affect the environment are generally characterized by ____.

Accepted Answer

A)  predictability as a result of population size 
B)  many experiences leading to accurate generalizations 
C)  long delays between events and responses 
D)  obvious and immediate feedback 
E)  negative feedback 
A)  predictability as a result of population size 
B)  many experiences leading to accurate generalizations 
C)  long delays between events and responses 
D)  obvious and immediate feedback 
E)  negative feedback

Question 2

Which of the following is an example of an organic compound?

Accepted Answer

A)  H2O 
B)  NaCl 
C)  H2SO4 
D)  N2O 
E)  CH4 
A)  H2O 
B)  NaCl 
C)  H2SO4 
D)  N2O 
E)  CH4

Question 3

What is a well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way?

Accepted Answer

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

Question 4

There are many types of electromagnetic radiation,each with a different ____________________ and energy content.

Accepted Answer

The answer of There are many types of electromagnetic radiation,each...

Question 5

Which of the following illustrates a negative feedback loop?

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)  vegetation removed from a stream valley 
A)  melting polar ice 
B)  exponential population growth 
C)  a thermostat maintaining a certain temperature in your house 
D)  the greenhouse effect 
E)  vegetation removed from a stream valley

Question 6

Explain how a scientific law comes to be accepted.

Accepted Answer

A scientific law comes after a

Question 7

Heat is best characterized as a kind of ____ energy.

Accepted Answer

A)  light 
B)  potential 
C)  kinetic 
D)  nuclear 
E)  low 
A)  light 
B)  potential 
C)  kinetic 
D)  nuclear 
E)  low

Question 8

A(n)____________________ has more hydrogen ions than hydroxide ions and has a pH ____________________ 7.

Accepted Answer

acidic sol

Question 9

Which of the following best illustrates potential 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 10

Thousands of genes make up a single ____.

Accepted Answer

A)  chromosome 
B)  DNA 
C)  cell nucleus 
D)  trait 
E)  organism 
A)  chromosome 
B)  DNA 
C)  cell nucleus 
D)  trait 
E)  organism

Question 11

Any process that increases or decreases a change to a system is called a(n)_______________.

Accepted Answer

feedback
f

Question 12

Complex carbohydrates are a type of ____.

Accepted Answer

A)  lipid 
B)  chemical formula 
C)  monomer 
D)  protein 
E)  organic polymer 
A)  lipid 
B)  chemical formula 
C)  monomer 
D)  protein 
E)  organic polymer

Question 13

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 14

An ion has a net positive or negative ______.

Accepted Answer

A)  proton 
B)  isotope 
C)  charge 
D)  acid 
E)  electron 
A)  proton 
B)  isotope 
C)  charge 
D)  acid 
E)  electron

Question 15

What are two or more processes interacting such that the combined effect is greater than the sum of the individual effects?

Accepted Answer

A)  homeostasis 
B)  synergistic interaction 
C)  negative feedback 
D)  entropy 
E)  time delay 
A)  homeostasis 
B)  synergistic interaction 
C)  negative feedback 
D)  entropy 
E)  time delay

Question 16

What does the first law of thermodynamics tell us?

Accepted Answer

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

Question 17

What is an example of low-quality energy?

Accepted Answer

A)  electricity 
B)  heat in the ocean 
C)  nuclear fission 
D)  gasoline 
E)  food 
A)  electricity 
B)  heat in the ocean 
C)  nuclear fission 
D)  gasoline 
E)  food

Question 18

Give an example of a positive feedback loop and explain the process.

Accepted Answer

Answers may vary.
Melting glac

Question 19

Energy efficiency refers to ____.

Accepted Answer

A)  how much energy we use 
B)  how much energy is wasted 
C)  how much heat is produced 
D)  getting more work out of the energy we use 
E)  getting more energy out of our work 
A)  how much energy we use 
B)  how much energy is wasted 
C)  how much heat is produced 
D)  getting more work out of the energy we use 
E)  getting more energy out of our work

Question 20

Which of the following represents kinetic energy?

Accepted Answer

A)  water in a reservoir behind a dam 
B)  a rock held in your hand 
C)  chemical energy stored in food 
D)  water in a stream 
E)  light from the sun 
A)  water in a reservoir behind a dam 
B)  a rock held in your hand 
C)  chemical energy stored in food 
D)  water in a stream 
E)  light from the sun

Exam 2: Science, matter, energy, and Systems

Human events that affect the environment are generally characterized by ____.

Which of the following is an example of an organic compound?

What is a well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way?

There are many types of electromagnetic radiation,each with a different ____________________ and energy content.

Which of the following illustrates a negative feedback loop?

Explain how a scientific law comes to be accepted.

Heat is best characterized as a kind of ____ energy.

A(n)____________________ has more hydrogen ions than hydroxide ions and has a pH ____________________ 7.

Which of the following best illustrates potential energy?

Thousands of genes make up a single ____.

Any process that increases or decreases a change to a system is called a(n)_______________.

Complex carbohydrates are a type of ____.

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

An ion has a net positive or negative ______.

What are two or more processes interacting such that the combined effect is greater than the sum of the individual effects?

What does the first law of thermodynamics tell us?

What is an example of low-quality energy?

Give an example of a positive feedback loop and explain the process.

Energy efficiency refers to ____.

Which of the following represents kinetic energy?

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

Filters

A(n) has more hydrogen ions than hydroxide ions and has a pH 7.