Energy Unit Review

Which widely used energy sources are nonrenewable and also a source of greenhouse gas

emissions?

• wind turbines

• hydroelectric dams

• fossil fuels

• solar cells

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Students were investigating the advantages and disadvantages of nuclear power. Which statement BEST explains why a society would choose nuclear power despite its disadvantages?

• Nuclear power plants are less costly to build.

• Nuclear power plants produce large amounts of energy with little air pollution.

• Radioactive waste storage units have become available.

• Reactor malfunctions leading to environmental contamination are minimal.

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Which of the following is a renewable resource?

• coal

• minerals

• petroleum

• sunlight

Swamp plants die, fall to the ground, and are buried by other dying plants. Approximately how long would it take for plants to possibly become a fossil fuel?

• 1,000,000 years

• 100,000 years

• 10,000 years

• 1,000 years

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Jamie read that the amount of fossil fuels that are available will eventually decline, leading to a short supply of fuel for automobiles. What is the MOST likely effect of a fossil fuel

shortage?

• More people would use airplanes for travel.

• The fossil fuels would be manufactured in factories.

• There would be more research on the use of alternate fuels.

• The technology will be focused on cars that do not use energy.

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Which of these can be recycled in an attempt to conserve resources?

• gasoline

• sunlight

• aluminum

• natural gas

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Wind is becoming more common as a source of energy. Wind farms require large open spaces for the wind turbines. A negative consequence of this technology is wind turbines...

• are an inexpensive source of energy.

• cause little pollution to the environment.

• may hurt the flying animals in the area.

• are a renewable source of energy.

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Which BEST explains what scientists are referring to when they use the term conservation?

• nonliving parts of the environment

• living organisms in the environment

• health of the living organisms in the environment

• protection, management, and renewal of resources

Which topic area would be the BEST to research to find ways of reducing environmental problems caused by humans?

• converting sunlight into electricity

• looking for new coal reserves

• finding reservoirs that contain oil

• converting forests into farmland

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Which human activity contributes to the formation of acid rain?

• using too much fertilizer in agriculture

• cutting down large areas of tropical forests

• burning fossil fuels such as coal and gasoline

• using chemicals that destroy ozone in the stratosphere

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