A) coal
B) oil
C) hydroelectric
D) nuclear fission
E) nuclear fusion
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A) a coal-fired power plant
B) a hydroelectric dam
C) a nuclear reactor
D) a fusion reactor
E) All of the above have the same capacity.
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A) millions of years
B) thousands of years
C) hundreds of years
D) tens of years
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A) The costs of nonsustainable energy sources are guaranteed to rise as these sources become more scarce.
B) They could profit by selling their developed technologies to other countries.
C) It allows a nation to be energy independent.
D) all of the above
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A) It takes millions of years for the fuels to form.
B) The fuels are not produced via photosynthesis.
C) Nonrenewable is synonymous for inexpensive.
D) all of the above
E) none of the above
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A) a loss of power
B) a surge in power
C) a drop in power
D) minimal effects
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A) the United Nations
B) shale natural gas
C) energy conservation
D) artificial photosynthesis
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A) 1.5 cents per hour
B) 1.2 cents per hour
C) 0.3 cent per hour
D) It's not possible to save only a fraction of a cent.
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A) It keeps the house cool in the summer.
B) The north side of the house faces the sun.
C) Wind currents won't blow directly into the house.
D) It allows the sun's rays to pass into the house.
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A) a coal-fired power plant
B) a hydroelectric dam
C) a nuclear reactor
D) a fusion reactor
E) All of the above have the same capacity.
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A) There is no radioactive waste generated.
B) The cost of the reactors is less than fission reactors.
C) Less shielding from high energy neutrons is needed.
D) It will be able to supply energy to developing countries.
E) none of the above
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A) There are almost no atmospheric pollutants.
B) Nuclear bombs can be made from fuel by-products.
C) Waters surrounding each nuclear power plant are warmed.
D) The uranium fuel supply is virtually unlimited.
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A) petroleum
B) coal
C) natural gas
D) methane hydrate
E) All of the above have the same difficulties.
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A) Raise the temperature of the water.
B) Operate the generator only in warm climates.
C) Reduce the pressure above the water.
D) Use a relatively large generator.
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A) The system only works where there is a big temperature difference in the water.
B) The low boiling refrigerant causes ozone depletion.
C) The amount of energy produced is very low.
D) The waste water suffers from algal blooms.
E) all of the above
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A) petrification
B) fermentation
C) combustion
D) gasification
E) consumption
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A) can be charged at home at night when electricity rates are cheaper
B) have fewer moving parts hence fewer repairs compared to gasoline powered cars
C) can be powered by sustainable energy sources, such as photovoltaics or wind turbines
D) provide greater acceleration than gasoline powered cars
E) all of the above
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A) They are gases.
B) They are difficult to store safely.
C) Hydrogen sources are often obtained from fossil fuels.
D) all of the above
E) none of the above
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A) It is converted to heat energy and then kinetic energy and then into electrical energy.
B) It is converted into electrical energy directly.
C) It is converted to kinetic energy and then heat energy and then into electrical energy.
D) It is converted into electrical energy and then kinetic energy.
E) none of the above
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A) The half-life of the material is so long it will take over 10,000 years until it is safe.
B) No one wants to keep the waste in their backyard.
C) The materials give off so much radiation that there are engineering difficulties.
D) Water seepage into the waste could lead to radioactive leachate.
E) all of the above
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