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ENERGY TEST REVIEW

Across
Coal is used to generate about ___ % of U.S. electricity.
Current produced by solar panels.
Output / Input
Fuel for nuclear powerplants
Energy cannot be created or ___. It is changed into other forms.
Using resources with little waste.
Converts kinetic energy into electrical energy.
Fossil fuel produces the most air pollution.
Ability to use a resource a long time with little environmental damage.
Gas produced by fossil fuel use adds to greenhouse effect.
Coal is used mostly for this.
Plastics, medicines and fertilizers come from this.
Major disadvantage of using fossil fuels.
Resources that can be used only once.
Down
These vehicles use both gas and electricity.
Uses potential energy of dammed water to make electricity.
Too much of a greenhouse effect can cause this.
Fuel made from plant products
Fossil fuel produces the least amount of air pollution.
Control ___ control fission chain reactions.
Ability to do work.
Cells convert solar light energy into electrical energy.
Reaction that produces energy in nuclear powerplants.
Coal-fired powerplant energy transformations: chemical -> ___ -> kinetic -> electrical.
Oil is used mostly for this.
These convert wind kinetic energy into electrical energy.
Resources can be used over and over again.
Household current.