| Question |
 |
|
| Answer |
|
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| animate power |
power supplied by people or animals |
| inanimate power |
power generated from machines |
| biomass fuel |
wood, plant material, & animal waste |
| resource |
substance in the environment that is useful to people, is economically & technologically feasible to access, & is socially acceptable to use |
| fossil fuel |
residue of plants and animals that were buried many years ago |
| renewable energy |
energy that can is replaced continually |
| nonrenewable energy |
energy that forms so slowly that for practical purposes it cannot be renewed |
| proven reserve |
amount of energy remaining in deposits that have been discovered |
| potential reserve |
energy in undiscovered deposits that are thought to exist |
| fission |
production of electricity from energy released by splitting uranium atoms in a controlled environment |
| radioactive waste |
product of all nuclear reactions |
| ferrous |
iron ore & other allows used in the production of iron & steel |
| nonferrous |
utilized to make products other than iron and steel (most abundant is aluminum) |
| pollution |
more waste is added than a resource can accommodate |
| air pollution |
concentration of trace substances at a greater level than occurs in average air |
| greenhouse effect |
anticipated increase in Earth's temperature, caused by carbon dioxide trapping some of the radiation emitted by the surface |
| ozone |
stratosphere above Earth's surface |
| chlorofluorocarbons (CFCs) |
pollutants used in refrigerators & air conditioners that break down Earth's layer of ozone gas |
| acid deposition |
tiny droplets of sulfuric acid & nitric acid form & return to Earth's surface |
| acid precipitation |
rain, snow, or fog |
| photochemcial smog |
formed from hydrocarbons & nitrogen oxides in the presence of sunlight |
| biochemical oxygen demand (BOD) |
constitued by the oxygen consumed by the decomposing organic waste |
| sanitary landfill |
most common strategy for disposal of solid waste |
| passive solar energy systems |
capture energy without special devices |
| active solar energy systems |
collect solar energy & convert it to heat energy/electricity |
| photovoltaic cells |
convert light energy into electrical energy |
| hydroelectric power |
energy of moving water used to generate electricity |
| geothermal energy |
energy from hot water or steam |
| fusion |
fusing of hydrogen atoms to form helium |
| recycling |
separation, collection, processing, marketing, and reuse of unwanted material |
| conservation |
sustainable use & management of natural resources such as wildlife, water, air, and Earth deposits to meet human needs |
| preservation |
maintenance of resources in their present condition, with as little human impact as possible |
| sustainable development |
development that meets the needs of the present w/o compromising the ability of future generations to meet their own needs |
| biological diversity (biodiversity) |
variety of species across Earth as a whole or in a specific place |
| breeder reactor |
turns uranium into a renewable resource by generating plutonium |
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