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Env Science Week 16
Week 16 Vocabulary for Environmental Science
| Term | Definition |
|---|---|
| law | a system of rules imposed by government authority |
| amendment | an addition to, deletion from, or other change to a law some time after it was originally set forth |
| enforce | ensuring that people abide by a law |
| government agency | a unit of government authorized to enforce laws |
| Environmental Protection Agency (EPA) | the main national government agency for overseeing environmental laws in the U.S. |
| sustainable energy | meeting present energy needs without destroying energy sources for the future |
| photovoltaic cells (PV cell or solar cell) | a wafer of material with one wire attached to the top and one to the bottom; As sunlight shines on the water it puts out an electrical current |
| Solar-trough collectors | long trough shaped reflectors tilted toward the sun; all the sunlight hitting the collector is reflected onto a pipe running down the center of the system, which heats oil inside it to high temps |
| solar energy | energy made by harnessing the sun's rays |
| hydroelectric | using water to produce electricity |
| geothermal energy | heat produced from the Earth's core, found mainly near volcanoes and geysers |
| Wind power | useful energy created by harnessing the wind |
| intermittent | on and off, starting and stopping a lot |
| Biomass | organic material made from plants and animals (microorganisms); examples of biomass fuels are wood, crops, manure, and some garbage |
| municipal solid waste (MSW) | garbage |
| contaminate | to make something impure or unfit for use by adding harmful or undesired substances |
Created by:
jodytwining
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