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Energy Resources

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Renewable resource
any natural resource (as wood or solar energy) that can be replenished naturally with the passage of time
Non-renewable resource
materials found in nature that CANNOT be renewed or replaced within a reasonable passage of time
Natural resource
any material in nature that people use and value
Fuel
a substance that can be consumed to produce energy
Combustion
a process in which a substance reacts with oxygen to give heat and light
Fossil fuel
a nonrenewable energy resource formed from the remains of organisms that lived long ago
Hydrocarbon
an organic compound containing only carbon and hydrogen
Solar energy
energy from the sun that is converted into thermal or electrical energy
Hydroelectric power
electricity generated by flowing water
Biomass fuel
Fuel that derives from plant material and animal waste
Geothermal energy
energy derived from the heat in the interior of the earth
Nuclear fission
the splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons and energy
Nuclear fusion
the combination of the nuclei of small atoms to form a larger nucleus; releases energy