Environmental Science Chapter 18 Review

Plant material, manure, and wood

• biomass fuel

• fuel cell

• active solar heating

uses collectors with moving parts to capture the sun’s energy

• passive solar heating

• active solar heating

• energy efficiency

• geothermal energy

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Energy sources that are still in development

• energy conservation

• geothermal energy

• hydroelectric energy

• energy efficiency

Habitat loss, soil erosion, and air pollution are disadvantages of which renewable energy source

• solar

• wind

• biomass fuel

• moving water

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Which of the following describes new wind turbines?

• new wind turbines are cost effective

• new wind turbines take up a lot of space

• new wind turbines take a year to build

• new wind turbines cannot generate much electricity

Renewable energy is energy from sources that

• are not used up faster than they are formed

• will take years to deplete

• humans can manufacture

• were once living organisms

Which of the following is an example of how biomass fuel is currently being used?

• biogas digesters ferment manure and produce methane

• dung fired power stations produce electricity

• ethanol from fermenting corn is added to gasoline

• all of these

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A geothermal power plant can be used to generate electrical energy

• anywhere in the US

• in areas where reservoirs of water are heated inside Earth

• in areas where the ground stays warm throughout the year

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A hybrid car uses

• an efficient gasoline engine and an electric motor

• an efficient engine and a fuel cell

• a fuel cell and a solar cell

• a photovoltaic cell and an electric motor

Compared to washing clothes in warm water, washing clothes in cold water uses

• much more energy

• the same amount of energy

• much less energy

• a little more energy