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14 terms

science 6.2

STUDY
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biomass fuel
- matter formed by plants or animals that is used as a
fuel, such as wood or dung
combustion
- burning of fuel
elastic potential energy
-energy of stretching or compressed objects
energy
- ability to do work or cause change
fossil fuel
- energy-rich substance such as coal, oil, natural gas
formed over millions of years from the remains of ancient plants and animals
geothermal energy
- energy obtained from water or steam heated
by thermal energy from Earth's interior
gravitational potential energy
- potential energy that an object has as a result of its position
hydroelectric power
- electricity produced by the kinetic energy
of water moving over a waterfall or dam
kinetic energy
- energy of motion
nonrenewable energy
an energy source that is not naturally
replaced in a timely manner
perpetual basis
- endless supply of energy, such as geothermal & solar
potential
- energy that is stored & waiting to be used
renewable energy
- an energy source that is naturally replaced in
a relatively short time
wind energy
energy created when the kinetic energy of wind is used to turn a turbine & generate electricity

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