Alternative Energy Resources

Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?

• Hydroelectric

• Geothermal

• Biofuels

• Solar

Which type of alternative energy source is shown in this picture?

• Wind

• Solar

• Hydroelectric

• Geothermal

How are renewable fuels different from fossil fuels?

• renewable fuels will eventually run out

• renewable fuels can be used over and over

• renewable fuels create a weaker form of energy

• renewable fuels create a greater amount of pollution than fossil fuels

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What is another term for renewable energy?

• alternative energy

• recycled energy

• pollution-free energy

• wind-sun-water energy

Alternative energy is

• Generated by natural resources and is renewable

• man made

• nonrenewable

• not helpful to us in Texas

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Some buildings and homes are heated by energy produced from an alternative to fossil fuels. Which of these is an example of a building or home heated using an alternative energy source?

• A home heated by energy generated by a hydroelectric dam

• A building that has emergency electric generators that run on gasoline

• A home heated by energy produced from a coal power plant in a city

• A building that has furnaces powered by natural gas

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Which of the following sources of energy is classified as an alternative energy source?

• Mined coal

• Geothermal heat

• Crude oil

• Natural gas

How many citizens chose alternative energy resources?

Mathematical Equivalence

ON

Other sources of energy that are better for the environment (solar power, hydro power, wind power, bio fuel)

• alternative fuels

• fossil fuels

• global warming

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A hydrogen fuel cell-powered car driving on a highway is different from gasoline-powered cars because hydrogen fuel cell-powered cars only emit

• Carbon dioxide and hydrogen gas

• Carbon dioxide and heat

• Water vapor and hydrogen gas

• Water vapor and heat

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