Question 1

Which law states that no energy can be created or destroyed?

Accepted Answer

A)  The first law of thermodynamics 
B)  The second law of thermodynamics 
C)  The law of conservation of matter 
D)  The environmental exchange law 
E)  The law of homeostasis 
A)  The first law of thermodynamics 
B)  The second law of thermodynamics 
C)  The law of conservation of matter 
D)  The environmental exchange law 
E)  The law of homeostasis

Question 2

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

Question 3

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 4

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 5

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

Question 6

What describes the measurement of the concentration of hydrogen ions compared to the concentration of hydroxide ions in a solution?

Accepted Answer

A)  ionization 
B)  pH 
C)  alkalinity 
D)  covalent bonding 
E)  isotope 
A)  ionization 
B)  pH 
C)  alkalinity 
D)  covalent bonding 
E)  isotope

Question 7

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 8

A(n)____________________ occurs when an output of matter,energy,or information is fed back into the system as an input and leads to changes in the system.

Accepted Answer

The answer of A(n)____________________ occurs when an output of matter,energy,or...

Question 9

A molecule is a combination of two or more atoms held together by forces called _______________.

Accepted Answer

chemical b

Question 10

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

Accepted Answer

low-qualit

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

-With reference to the accompanying figure,explain the significant difference that occurred between 1966 and 1970 in terms of the two lines representing the control watershed and the experimental watershed.

Accepted Answer

The line labeled "Disturbed (experimenta

Question 13

Feedback causes ____ in a system.

Accepted Answer

A)  change 
B)  equilibrium 
C)  chaos 
D)  error 
E)  noise 
A)  change 
B)  equilibrium 
C)  chaos 
D)  error 
E)  noise

Question 14

If a macromolecule was a brick wall it would be called a(n)____________________ made up of repeating units called ____________________.

Accepted Answer

The answer of If a macromolecule was a brick wall...

Question 15

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 in an atom 
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 in an atom

Question 16

An organic compound is one that contains one or more _______________ atoms combined with atoms of one or more other elements.

Accepted Answer

The answer of An organic compound is one that contains...

Question 17

A(n)_______________ is a set of components that function and interact in some regular way.

Accepted Answer

The answer of A(n)_______________ is a set of components that...

Question 18

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

Question 19

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 20

What term describes the lack of system response system during a period of time?

Accepted Answer

A)  threshold level 
B)  time delay 
C)  tipping point 
D)  negative feedback 
E)  positive feedback 
A)  threshold level 
B)  time delay 
C)  tipping point 
D)  negative feedback 
E)  positive feedback

Exam 2: Science, matter, energy, and Systems

Which law states that no energy can be created or destroyed?

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

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.

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

Energy can be formally defined as ____.

What describes the measurement of the concentration of hydrogen ions compared to the concentration of hydroxide ions in a solution?

Protons,neutrons,and electrons are all ____.

A(n)____________________ occurs when an output of matter,energy,or information is fed back into the system as an input and leads to changes in the system.

A molecule is a combination of two or more atoms held together by forces called _______________.

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

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

-With reference to the accompanying figure,explain the significant difference that occurred between 1966 and 1970 in terms of the two lines representing the control watershed and the experimental watershed.

Feedback causes ____ in a system.

If a macromolecule was a brick wall it would be called a(n)____________________ made up of repeating units called ____________________.

The atomic number is the number of ____.

An organic compound is one that contains one or more _______________ atoms combined with atoms of one or more other elements.

A(n)_______________ is a set of components that function and interact in some regular way.

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

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

What term describes the lack of system response system during a period of time?

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

If a macromolecule was a brick wall it would be called a(n) made up of repeating units called .