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10 terms

Physical Science Chapter 9 Energy Sources

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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