Question 1

____________________ radiation is the energy travelling in the form of a wave from the sun to the Earth.

Accepted Answer

The answer of ____________________ radiation is the energy travelling in...

Question 2

What is atomic mass equal to?

Accepted Answer

A)  the sum of the neutrons and protons 
B)  the sum of the neutrons and isotopes 
C)  the sum of the neutrons and electrons 
D)  the sum of the protons, neutrons, and electrons 
A)  the sum of the neutrons and protons 
B)  the sum of the neutrons and isotopes 
C)  the sum of the neutrons and electrons 
D)  the sum of the protons, neutrons, and electrons

Question 3

What is characteristic of physical and chemical reactions?

Accepted Answer

A)  They involve changes in energy, but not in matter. 
B)  They involve changes in matter, but not energy. 
C)  They always require energy. 
D)  They sometimes emit energy. 
A)  They involve changes in energy, but not in matter. 
B)  They involve changes in matter, but not energy. 
C)  They always require energy. 
D)  They sometimes emit energy.

Question 4

Which type of radiation is the most highly penetrating?

Accepted Answer

A)  alpha 
B)  gamma 
C)  beta 
D)  ultraviolet 
A)  alpha 
B)  gamma 
C)  beta 
D)  ultraviolet

Question 5

Complex chemical pollutants that living organisms break down into simpler chemicals are called ____________________ pollutants.

Accepted Answer

The answer of Complex chemical pollutants that living organisms break...

Question 6

What is the main use of radioisotopes?

Accepted Answer

A)  cancer therapy 
B)  as garden insecticides 
C)  to stop pollution 
D)  as agricultural herbicides 
A)  cancer therapy 
B)  as garden insecticides 
C)  to stop pollution 
D)  as agricultural herbicides

Question 7

Which statement describes the scientific process?

Accepted Answer

A)  Established scientific theories are not challenged and continue to hold true. 
B)  Advances in science are never based on disagreement, speculation, and controversy. 
C)  Science is the acceptance of what works and the rejection of what does not work. 
D)  Scientific laws and theories are based on certainties, not statistical probabilities. 
A)  Established scientific theories are not challenged and continue to hold true. 
B)  Advances in science are never based on disagreement, speculation, and controversy. 
C)  Science is the acceptance of what works and the rejection of what does not work. 
D)  Scientific laws and theories are based on certainties, not statistical probabilities.

Question 8

Which question is a scientist most likely to ask?

Accepted Answer

A)  How many times should we run this experiment? 
B)  What is the meaning of life for humans? 
C)  What new hypothesis can be drawn to test this experiment? 
D)  How can these scientific laws be formulated to use the data? 
A)  How many times should we run this experiment? 
B)  What is the meaning of life for humans? 
C)  What new hypothesis can be drawn to test this experiment? 
D)  How can these scientific laws be formulated to use the data?

Question 9

The so-called light bulb is actually a heat bulb.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is characteristic of a system?

Accepted Answer

A)  A system functions in a regular and predictable manner. 
B)  A system consists solely of inputs and outputs. 
C)  A system cannot be accurately modeled. 
D)  A system is highly random in its function. 
A)  A system functions in a regular and predictable manner. 
B)  A system consists solely of inputs and outputs. 
C)  A system cannot be accurately modeled. 
D)  A system is highly random in its function.

Question 11

What are protons,neutrons,and electrons examples of?

Accepted Answer

A)  negative ions 
B)  forms of energy 
C)  subatomic particles 
D)  charged particles 
A)  negative ions 
B)  forms of energy 
C)  subatomic particles 
D)  charged particles

Question 12

How do scientists classify energy?

Accepted Answer

A)  as either potential or mechanical 
B)  as either potential or kinetic 
C)  as either chemical or physical 
D)  as either kinetic or mechanical 
A)  as either potential or mechanical 
B)  as either potential or kinetic 
C)  as either chemical or physical 
D)  as either kinetic or mechanical

Question 13

What is the relative energy quality of electricity?

Accepted Answer

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

Question 14

Which statement is an example of a physical change?

Accepted Answer

A)  A chunk of coal is burned to produce carbon dioxide. 
B)  In the troposphere, sulphur dioxide and water vapour reacts to produce sulphuric acid. 
C)  A plant converts carbon dioxide into carbohydrate. 
D)  Confetti is cut from pieces of paper. 
A)  A chunk of coal is burned to produce carbon dioxide. 
B)  In the troposphere, sulphur dioxide and water vapour reacts to produce sulphuric acid. 
C)  A plant converts carbon dioxide into carbohydrate. 
D)  Confetti is cut from pieces of paper.

Question 15

Which source of energy will most likely provide high-temperature industrial heat?

Accepted Answer

A)  high velocity water flow 
B)  hydrogen gas 
C)  concentrated sunlight 
D)  concentrated geothermal 
A)  high velocity water flow 
B)  hydrogen gas 
C)  concentrated sunlight 
D)  concentrated geothermal

Question 16

What is the best definition of energy?

Accepted Answer

A)  Energy is the movement of molecules. 
B)  Energy is the random motion of molecules. 
C)  Energy is the ability to do work and transfer heat. 
D)  Energy is a force that is exerted over some distance. 
A)  Energy is the movement of molecules. 
B)  Energy is the random motion of molecules. 
C)  Energy is the ability to do work and transfer heat. 
D)  Energy is a force that is exerted over some distance.

Question 17

Which scientific law is best described by the analogy "You are a raft of order floating on the high seas of entropy"?

Accepted Answer

A)  law of conservation of matter 
B)  law of conservation of energy 
C)  second law of thermodynamics 
D)  law of conservation of matter and energy 
A)  law of conservation of matter 
B)  law of conservation of energy 
C)  second law of thermodynamics 
D)  law of conservation of matter and energy

Question 18

What is one example of a negative feedback loop?

Accepted Answer

A)  chaos 
B)  leverage 
C)  secretion of certain enzymes increase the rate of certain chemical reactions 
D)  the human body sweating in response to heat 
A)  chaos 
B)  leverage 
C)  secretion of certain enzymes increase the rate of certain chemical reactions 
D)  the human body sweating in response to heat

Question 19

Which behaviour would be most appreciated by the scientific community?

Accepted Answer

A)  observing patterns in an artificial environment 
B)  overstating a claim 
C)  understating a claim 
D)  hypothesizing about evidence 
A)  observing patterns in an artificial environment 
B)  overstating a claim 
C)  understating a claim 
D)  hypothesizing about evidence

Question 20

How do isotopes differ from each other?

Accepted Answer

A)  by their number of protons 
B)  by their number of neutrons 
C)  by their number of ions 
D)  by their number of atoms 
A)  by their number of protons 
B)  by their number of neutrons 
C)  by their number of ions 
D)  by their number of atoms

Exam 3: Science, systems, matter, and Energy

____________________ radiation is the energy travelling in the form of a wave from the sun to the Earth.

What is atomic mass equal to?

What is characteristic of physical and chemical reactions?

Which type of radiation is the most highly penetrating?

Complex chemical pollutants that living organisms break down into simpler chemicals are called ____________________ pollutants.

What is the main use of radioisotopes?

Which statement describes the scientific process?

Which question is a scientist most likely to ask?

The so-called light bulb is actually a heat bulb.

Which of the following is characteristic of a system?

What are protons,neutrons,and electrons examples of?

How do scientists classify energy?

What is the relative energy quality of electricity?

Which statement is an example of a physical change?

Which source of energy will most likely provide high-temperature industrial heat?

What is the best definition of energy?

Which scientific law is best described by the analogy "You are a raft of order floating on the high seas of entropy"?

What is one example of a negative feedback loop?

Which behaviour would be most appreciated by the scientific community?

How do isotopes differ from each other?

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Ecosystems: What Are They, and How Do They Work

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Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

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Geology and Nonrenewable Mineral Resources

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