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14 Cards in this Set
- Front
- Back
Energy
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the capacity to do work.
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Work
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the application of force through a distance.
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Power
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the rate of flow of energy (i.e.; the rate at which work is done).
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Solar Energy
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99% of the energy used to heat the Earth and all of our buildings; comes directly from the sun.
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Commercial Energy
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most comes from the extraction/conversion of mineral resources (primarily nonrenewable fossil fuels); 1% of the energy used on Earth.
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Renewable Resources
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resources normally replaced or replenished by natural processes; resources not depleted by moderate use. (ex.: solar energy)
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Nonrenewable Resources
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minerals; fossil fuels; and other materials present in essentially fixed amounts (within human time scales) in our environment.
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Fossil Fuels
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petroleum; natural gas; and coal created by geological forces from organic wastes and dead bodies of formerly living biological organisms.
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OPEC
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organization of petroleum exporting fuels; consists of the following 12 countries: Algeria; Gabon; Indonesia; Iran; Iraq; Kuwait; Libya; Nigeria; Qatar; Saudi Arabia; The United Arab Emirates; Venezuela.
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Nuclear Fusion
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a process in which two smaller atomic nuclei fuse into one larger nucleus and release energy; the source of power in a hydrogen bomb.
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Nuclear Fission
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the radioactive decay process in which isotopes split apart to create two smaller atoms.
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Passive Heat Absorption
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the use of natural materials or absorptive structures without moving parts to gather and hold heat; the simplest and oldest use of solar energy.
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Active Solar Systems
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a mechanical system that uses moving substances to collect and transfer solar energy.
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Biomass
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the accumulated biological material produced by living organisms.
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