Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Unwanted
radioactive products formed during nuclear reactions are called ____. a. | fossil
fuels | c. | nuclear
reactors | b. | nuclear fuels | d. | nuclear waste | | | | |
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2.
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____ is a
renewable organic matter that can be burned in the presence of oxygen to convert chemical energy to
thermal energy. a. | Biomass | c. | Petroleum | b. | Hydrocarbon | d. | Hydroelectricity | | | | |
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3.
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Electricity
produced by falling water is called ____. a. | geothermal energy | c. | hydroelectricity | b. | thermodynamics | d. | tidal
energy | | | | |
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4.
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The chain
reaction in a nuclear reactor is controlled by inserting the ____. a. | boron or cadmium
rods | c. | heat
exchanger | b. | core | d. | uranium | | | | |
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5.
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Petroleum is
separated into different compounds through ____. a. | fossilization | c. | nuclear fission | b. | fractional
distillation | d. | nuclear
fusion | | | | |
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6.
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A
disadvantage of using hydroelectricity is ____. a. | equipment corrosion | c. | it can disturb natural ecosystems | b. | it causes air
pollution | d. | it is
nonrenewable | | | | |
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7.
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Temperature
is the biggest challenge in using ____ as an energy source. a. | nuclear
fusion | c. | hydroelectricity | b. | nuclear fission | d. | tidal energy | | | | |
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8.
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Which of the
following is common to both nuclear fusion and nuclear fission? a. | A chain reaction is
needed to start the reaction. | b. | The fuel must be in the plasma state. | c. | Matter is converted
into energy. | d. | Temperatures over 1 million ºC are needed for the reaction to
occur. | | |
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9.
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Which of the
following is a major problem with using nuclear fusion as an energy source? a. | disposing of control
rods | c. | producing radioactive
wastes | b. | maintaining very high temperatures | d. | obtaining fuel | | | | |
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10.
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____ offer
the best hope for safe, long-term containment of radioactive wastes. a. | Ocean
depths | c. | Polar ice
caps | b. | Salt
lakes | d. | Deep, stable rock
deposits | | | | |
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