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APES Vocab
Energy Sustainability
| Term | Definition |
|---|---|
| active solar energy | energy captured from sunlight with advanced technologies |
| biodiesel | a diesel substitute produced by extracting and chemically altering oil from plants |
| biofuel | liquid fuel created from processed or refined biomass |
| carbon neutral | an activity that does not change atmospheric CO2 concentrations |
| cellulosic ethanol | an ethanol derived from cellulose, the cell wall materials in plants |
| electrolysis | the application of an electric current to water molecules to split them into hydrogen and oxygen |
| energy conservation | finding and implementing ways to use less energy |
| ethanol | alcohol made by converting starches and sugars from plant material into alcohol and CO2 |
| flex-fuel vehicle | a vehicle that runs on either gasoline or a gasoline/ethanol mixture |
| fossil carbon | carbon in fossil fuels |
| fuel cell | an electrical-chemical device that converts fuel, such as hydrogen, into an electrical current |
| geothermal energy | heat energy that comes from the natural radioactive decay of elements deep within Earth |
| ground source heat pump | a technology that transfers heat from the ground to a building |
| hydroelectricity | electricity generated by the kinetic energy of moving water |
| modern carbon | carbon in biomass that was recently in the atmosphere |
| net removal | the process of removing more than is replaced by growth, typically used when referring to carbon |
| nondepletable | an energy source that cannot be used up |
| oxygenated fuel | a fuel with oxygen as part of the molecule |
| passive solar design | construction designed to take advantage of solar radiation without active technology |
| peak demand | the greatest quantity of energy used at any one time |
| photovoltaic solar cell | a system of capturing energy from sunlight and converting it directly into electricity |
| potentially renewable | an energy source that can be regenerated indefinitely as long as it is not overharvested |
| renewable | in energy management, an energy source that is either potentially renewable or nondepletable |
| run-of-the-river | hydroelectricity generation in which water is retained behind a low dam or no dam |
| siltation | the accumulation of sediments, primarily silt, on the bottom of a reservoir |
| smart grid | an efficient, self-regulating electricity distribution network that accepts any source of electricity and distributes it automatically to end users |
| thermal mass | a property of a building material that allows it to maintain heat or cold |
| tidal energy | energy that comes from the movement of water driven by the gravitational pull of the moon |
| tiered rate system | a billing system used by some electric companies in which customers pay higher rates as their use goes up |
| water impoundment | the storage of water in a reservoir behind a dam |
| wind energy | energy generated from the kinetic energy of moving air |
| wind turbine | turbine that converts wind energy into electricity |
Created by:
mmcgra1236
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