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GED Science
Lesson 2 Earth's Resources
| Term | Definition |
|---|---|
| resource | anything that is needed by humans to survive |
| soil | layer of loose disintegrated rock, organic matter, living organisms, air, and water in which rooted plants, including agricultural plants grow |
| minerals | naturally forming inorganic substances with a crystalline structure of which rocks are made |
| energy resources | these include fossil fuels, flowing water, wind, solar energy, and geothermal energy |
| solar energy | energy derived from the sun in the form of solar radiation |
| natural resources | These include air, water, soil, minerals, and energy |
| renewable resources | resources having an endless supply (wind power, water power, plant or tree products because they grow relatively quickly) |
| nonrenewable resources | resources having a limited supply (coal, natural gas, soil, minerals, oil, etc) |
| geothermal energy | a form of energy obtained from within the earth, originating in its core; also, energy produced by extracting the earth's internal heat |
| ozone layer | the layer of the upper atmosphere where most atmospheric ozone is concentrated, from about 8 to 30 miles (12 to 48 km) above the earth, with the maximum ozone concentration occurring at an altitude of about 12 miles (19 km) |
| conservation | any action taken to limit the consumption, overuse, and pollution of the natural environment |