Question 1

A chemical formula is a shorthand way of writing the symbols for atoms or ions in a compound.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

acidic sol

Question 3

Fundamental types of matter that have unique sets of properties and can not be broken down into simpler substances by chemical means are called

Accepted Answer

A) mixtures 
B) compounds 
C) isotopes 
D) elements 
E) atoms 
A) mixtures 
B) compounds 
C) isotopes 
D) elements 
E) atoms

Question 4

Which of the following must obey the laws of thermodynamics?

Accepted Answer

A) organic life 
B) living systems 
C) economics 
D) humans 
E) all of these 
A) organic life 
B) living systems 
C) economics 
D) humans 
E) all of these

Question 5

Which of the following does not represent a synergistic interaction?

Accepted Answer

A) Smokers who inhale asbestos die of lung cancer. 
B) Combinations of pollutants increase health hazards. 
C) Bartender who doesn't smoke gets lung cancer from secondary smoke. 
D) Running further when running with a partner. 
E) Studying for a test with a group of students. 
A) Smokers who inhale asbestos die of lung cancer. 
B) Combinations of pollutants increase health hazards. 
C) Bartender who doesn't smoke gets lung cancer from secondary smoke. 
D) Running further when running with a partner. 
E) Studying for a test with a group of students.

Question 6

Which of the following is not identified by the author as a building block of matter?

Accepted Answer

A) molecules 
B) compounds 
C) ions 
D) atoms 
E) none of these 
A) molecules 
B) compounds 
C) ions 
D) atoms 
E) none of these

Question 7

In a chemical reaction, there is a change in the arrangement of atoms, ions, or molecules of the substances involved

Accepted Answer

A) True 
 B)False

Question 8

Scientists classify energy as either

Accepted Answer

A) chemical or physical 
B) kinetic or mechanical 
C) potential or mechanical 
D) potential or kinetic 
E) chemical or kinetic 
A) chemical or physical 
B) kinetic or mechanical 
C) potential or mechanical 
D) potential or kinetic 
E) chemical or kinetic

Question 9

Energy consumption does not mean the disappearance of energy; rather it is the conversion of energy from one form to another with no net loss.

Accepted Answer

A) True 
 B)False

Question 10

How useful matter is to humans as a resource is determined by its concentration, availability for use, and its potential.

Accepted Answer

A) True 
 B)False

Question 11

Body fat of a human or other animal is a type of ____________________ energy.

Accepted Answer

The answer of Body fat of a human or other...

Question 12

The energy "lost" by a system is

Accepted Answer

A) converted into an equal amount of matter 
B) equal to the energy the system creates 
C) converted to lower-quality energy 
D) returned to the system, eventually 
E) converted to higher-quality energy 
A) converted into an equal amount of matter 
B) equal to the energy the system creates 
C) converted to lower-quality energy 
D) returned to the system, eventually 
E) converted to higher-quality energy

Question 13

An atom or group of atoms with one or more net positive or negative charges is a(n)

Accepted Answer

A) base 
B) isotope 
C) ion 
D) acid 
E) none of these 
A) base 
B) isotope 
C) ion 
D) acid 
E) none of these

Question 14

The population of any organism will increase, if the conditions are correct, until it reaches a point where the population cannot be sustained.This is a type of feedback loop.What type of feedback loop is this and what are the conditions that cause the feedback loop to function?

Accepted Answer

Populations will increase as long as suf

Question 15

Which of the following is the usual order of applying the scientific process to a problem?

Accepted Answer

A) hypothesis─question─observation─experimentation─conclusion─analysis 
B) hypothesis─conclusion─question─observation─experimentation─analysis 
C) observation─hypothesis─conclusion─experimentation─analysis─question 
D) observation─question─hypothesis─experimentation─analysis─conclusion 
E) hypothesis─experimentation─observation─analysis─question─conclusion 
A) hypothesis─question─observation─experimentation─conclusion─analysis 
B) hypothesis─conclusion─question─observation─experimentation─analysis 
C) observation─hypothesis─conclusion─experimentation─analysis─question 
D) observation─question─hypothesis─experimentation─analysis─conclusion 
E) hypothesis─experimentation─observation─analysis─question─conclusion

Question 16

Most of the energy from burning a gallon of gasoline is lost as ____________________ energy called heat.

Accepted Answer

The answer of Most of the energy from burning a...

Question 17

Isotopes are forms of an element that differ from one another by having different

Accepted Answer

A) atomic numbers 
B) numbers of electrons 
C) numbers of protons 
D) mass numbers 
E) electrical charges 
A) atomic numbers 
B) numbers of electrons 
C) numbers of protons 
D) mass numbers 
E) electrical charges

Question 18

Which of the following is/are not a macromolecule?

Accepted Answer

A) lipids 
B) simple carbohydrates 
C) proteins 
D) nucleic acids 
E) complex carbohydrates 
A) lipids 
B) simple carbohydrates 
C) proteins 
D) nucleic acids 
E) complex carbohydrates

Question 19

In recent years, the controversy over whether humans play a major role in global warming was fueled by critics who stated "not enough good science" had been done.Using such concepts as the scientific process, peer review, and reliable science discuss why this may or may not have been an accurate statement.

Accepted Answer

The suggestion that "not enough g

Question 20

What percentage of the energy used to produce food for living organisms, and to heat the earth, comes from the sun?

Accepted Answer

A) 10 
B) 29 
C) 49 
D) 79 
E) 99 
A) 10 
B) 29 
C) 49 
D) 79 
E) 99

Exam 2: Science, Matter, Energy, and Systems

A chemical formula is a shorthand way of writing the symbols for atoms or ions in a compound.

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

Fundamental types of matter that have unique sets of properties and can not be broken down into simpler substances by chemical means are called

Which of the following must obey the laws of thermodynamics?

Which of the following does not represent a synergistic interaction?

Which of the following is not identified by the author as a building block of matter?

In a chemical reaction, there is a change in the arrangement of atoms, ions, or molecules of the substances involved

Scientists classify energy as either

Energy consumption does not mean the disappearance of energy; rather it is the conversion of energy from one form to another with no net loss.

How useful matter is to humans as a resource is determined by its concentration, availability for use, and its potential.

Body fat of a human or other animal is a type of ____________________ energy.

The energy "lost" by a system is

An atom or group of atoms with one or more net positive or negative charges is a(n)

The population of any organism will increase, if the conditions are correct, until it reaches a point where the population cannot be sustained.This is a type of feedback loop.What type of feedback loop is this and what are the conditions that cause the feedback loop to function?

Which of the following is the usual order of applying the scientific process to a problem?

Most of the energy from burning a gallon of gasoline is lost as ____________________ energy called heat.

Isotopes are forms of an element that differ from one another by having different

Which of the following is/are not a macromolecule?

What percentage of the energy used to produce food for living organisms, and to heat the earth, comes from the sun?

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.