Physical Science Chapter 9 Energy Sources

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10 terms

biomass

renewable organic matter such as wood, sugarcane fibers, rice nulls, and animal manure

fossil fuel

formed from decaying remains of ancient plants and animals

geothermal energy

the thermal energy that is contained in hot magma

hydroelectricity

electricity produced from the energy of moving water

nonrenewable resource

resources that cannot be replaced by natural process as quickly as they were used

nuclear reactor

uses the energy from cntrolled nuclear reactions to generate electricity

nuclear waste

any redioactive by-product that results when radioactive materials are used

petroleum

a highly flammable liquid formed from decaying ancient organisms

photovoltaic cell

converts radiant energy from the sun directly into electrical energy, also called solar cells.

renewable resource

energy source that is replaced nearly as quickly as it was used

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