Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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1.
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A
fuel is a substance that provides energy as a result of a chemical change.
_________________________
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2.
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In
the United States, the fossil fuel that is present in the largest amount is natural gas.
_________________________
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3.
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Fossil fuels are considered to be nonrenewable because they form at a slower
rate than that at which they are used. _________________________
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4.
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An
active solar system captures the sun’s energy, and then uses fans and pumps to distribute
the heat. _________________________
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5.
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Water
that moves because of the gravity of the moon and sun provides solar energy.
_________________________
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6.
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Two
nuclei combine to form one nucleus in nuclear fission. _________________________
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7.
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The
cadmium in the control rods slows down a nuclear fission reaction by absorbing neutrons.
_________________________
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8.
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Incandescent lightbulbs are less efficient than compact fluorescent bulbs.
_________________________
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9.
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The
energy generated by moving water in rivers is called geothermal energy.
_________________________
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10.
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Natural gas is more likely than coal or oil to cause air pollution.
_________________________
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Essay
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11.
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One
home is heated by burning wood in a fireplace, while another similar home is heated by burning oil.
Which method uses less fuel? Why?
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12.
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Briefly explain how wind energy can be used to generate electricity.
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13.
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Why
must the United States purchase oil from other countries? What problem can this situation sometimes
cause?
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14.
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Describe three advantages nuclear fusion would have over nuclear
fission.
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15.
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How
is hydroelectric power an indirect form of solar energy?
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16.
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Give
two examples of ways to conserve energy at home.
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17.
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Describe what happens in a nuclear fusion reaction. Why have scientists been unable to
control fusion reactions?
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18.
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Explain how insulation increases the efficiency of heating and cooling
systems.
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