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Earth Science
E.S. Chapter 4 Sections 1-4
| Term | Definition |
|---|---|
| renewable | _______ resource can be replenished over a fairly short time spans such as months, years, or decades |
| nonrenewable | _______ resource take millions of years to form & accumulate |
| coal | ____ forms when heat & pressure transform plant material over millions of years |
| peat | ____ is partially decayed material that sometimes looks like soil |
| lignite | _______ which is a sedimentary rock that is of ten called brown coal |
| bituminous coal or soft coal | continued heat & pressure transforms lignite into _____ ____ or _____ ____ |
| anthracite | coals last stage of development is a metamorphic rock called _______ |
| petroleum & natural gas | _______ & ______ ___ form from the remains of plants & animals that were buried under ancient seas |
| oil shale | a rock that contains a waxy mixture of hydrocarbons called kerogen |
| green river formation of Colorado, Utah, and Wyoming | where is roughly half of the world's oil shale? |
| hydrothermal deposits | _________ _______ form from hot, metal rich fluids that are left during the late stages of the movement and cooling of magma |
| solar energy | what is the most abundant energy source? |
| True | There is no pollution when a nuclear plant is running. True or False |
| technical advances, noise pollution | What are some difficulties with using wind energy |
| hydroelectric power | the power that falling water generates, known as ___________ _____, drives turbines that produce electric energy |
| geothermal energy | _________ ______ is harnessed by tapping natural underground reservoirs of steam & hot water |
| 71% | what percentage of earth's surface does water cover? |
| less than 1% | what percent of the water on earth is usable fresh water? |
| point source pollution | _____ ______ ________ is pollution that comes from a known and specific beaten |
| nonpoint source pollution | ________ _____ ________ is pollution that doesn't have a specific point of origin |
| runoff | ______ is the water that flows over the land rather than seeping into the ground |
| ozone | _____ is a 3-atom form of oxygen |
| it protects us from 95% of the sun's harmful ultraviolet radiation | how does ozone make life on land possible? |
| salinization | over time irrigation causes _________ or the build-up of salts in soil |
| conservation | _________ is the careful use of resources |
| Cuyahoga river | it caught on fire and burned for days |
| contour plowing | ________ _______ farmers plow across the contour hillsides |
| compost | _______ is partly decomposed organic material that is used as fertilizer |
| recycling | _______ is the collecting & processing of used items so they will be made into new products |
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VickieJ10
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