Term
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Definition
| Animate power- power supplied by themselves or by animals |
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Definition
| Inanimate power- power generated by machines |
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Term
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Definition
| Biomass fuel- wood, plant material, and animal waste (old energy) |
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Term
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Definition
| Fossil fuel- the residue of plants and animals that were buried millions of years ago |
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Term
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Definition
| Renewable energy- replaced continually or at least within a human lifespan: solar, hydroelectric, geothermal, fusion, wind |
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Term
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Definition
| Nonrenewable energy- energy that forms so slowly that for practical purposes it cannot be renewed. Fossil and nuclear |
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Term
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Definition
| Proven reserve- amount of energy remaining in deposits that have been discovered |
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Term
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Definition
| Potential reserve- the energy in undiscovered deposits that are thought to exist |
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Term
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Definition
| Ferrous- iron ore and other alloys used in the production of iron and steel |
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Term
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Definition
| Nonferrous- metals are you those utilized to make products other than iron and steel |
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Term
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Definition
| Pollution- when more waste is added than a resource can accommodate |
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Term
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Definition
| Air pollution- ma concentration of trace substances at a greater level than occurs in average air |
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Term
| Chlorofluorocarbons (CFCs) |
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Definition
| Chlorofluorocarbons (CFCs) – earth’s protective ozone layer is threatened by pollutants |
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Term
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Definition
| Acid deposition- tiny droplets of sulfuric acid and nitric acid form and return to Earth’s surface |
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Term
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Definition
| Acid precipitation- when acids are dissolved in water and precipitate as rain, snow, or fog |
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Term
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Definition
| Photochemical smog- causes respiratory problems, stinging in the eyes, and an ugly haze over cities |
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Term
| Biochemical oxygen demand (BOD) |
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Definition
| Biochemical oxygen demand (BOD)- the oxygen consumed by the decomposing organic waste |
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Term
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Definition
| Sanitary landfill- the most common strategy for disposal of solid waste in the U.S. |
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Term
| Passive solar energy systems |
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Definition
| Passive solar energy systems- capture energy without special devices |
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Term
| Active solar energy systems |
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Definition
| Active solar energy systems- collecting solar energy and converting it either to heat energy or to electricity |
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Term
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Definition
| Hydroelectric power- using moving water as a source to produce and generate electricity |
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Term
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Definition
| Geothermal energy- energy used from hot rocks that produce hot water or steam |
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Term
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Definition
| Fusion- the fusing of hydrogen atoms to form helium |
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Term
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Definition
| Recycling- the separation, collection, processing, marketing, and reuse of the unwanted material |
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Term
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Definition
| Conservation- the sustainable use and management of natural resources such as wildlife, water, air, and Earth deposits to meet human needs, including food, medicine, and recreation |
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Term
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Definition
| Preservation- maintenance of resources in their present condition, with as little human impact as possible |
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Term
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Definition
| Sustainable development- development that meets the needs of the present without compromising the ability of future generations to meet their own needs |
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Term
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Definition
| Biodiversity- the variety of species across Earth as a whole or in a specific place |
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