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PCS Earth Science
Chapter 26 Vocabulary - Human Impact on Resources
| Term | Definition |
|---|---|
| fossil fuel | nonrenewable energy resource formed over geologic time fro the compression and partial decomposition of organisms that lived millions of years ago. |
| fuel | material, such as wood, peat, or coal, burned to provide power or heat |
| peat | light, spongy, organic fossil fuel derived from moss and other bog plants |
| biogas | a mixture of methane and carbon dioxide produced by bacterial degradation of organic matter and used as a fuel |
| gasohol | a mixture of gasoline and ethanol and can be used in conventional gasoline engines |
| geothermal energy | energy produced from Earth's own internal steam and hot water |
| photovoltaic cell | a cell that converts solar energy into electrical energy |
| cogeneration | production of two usable forms of energy at the same time from the same process, which can conserve resources and generate income |
| energy efficiency | a type of conservation in which energy resources are used in the most productive ways |
| sustainable energy | involves global management of Earth's natural resources to ensure that current and future energy needs will be met without harming the environment |
Created by:
Ms.Sala
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