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weather part 1 vocab
| Term | Definition |
|---|---|
| mesosphere | middle layer of the atmosphere is 51-85 km coldest layer this is where meterors |
| altitude | elevation (height) above sea level |
| troposphere | lowest layer of earth atmosphere o-17 km above earths surface site of weather organisms contains most atmospheric water vapor |
| stratosphere | The 2nd layer of atmosphere extends from 10 to 30 miles up location of the ozone layer absorbs 95% of ultraviolet radiation temperture incrases as altitude |
| thermosphere | the fourth layer of the atmosphere in which temperature increases as altitude increases |
| exosphere | the outer layer of the thermosphere extending outward into space |
| atmosheric gasses | nitrogen makes up 78%,21% oxygen and remaning 1% is carbon dioxide water vapor and other gases |
| nitrogen (n2) | most abundant gas in the atmosphere 78% |
| oxygen(o2) | gas that makes up 21% of the air in earth atmosphere it passes into the bloodstream at the lungs and travels to all body cells |
| carbon dioxide (co2) | greenhouse gas: a gas that absorbs and radiates heat |
| trace gases | gasses such as hydrogen,helium, carbon dioxide and argon that exist in very small quantities in the atmosphere gases that make up less the 1% of earths atmosphere |
| water vapor | water in the form of gasses |
| fossil fuels | a natural substance formed from the buried remains from ancient organism that can be used as a source of energy |
| greenhouse gasses | gasses in earths atmosphere that traps heat near the surface |
| water cycle | the countinues processed by which water moves from earths surface to the atmosphere and back |
| evaporation | the change of a substance from a liquid to gas |
| condensation | the change from gas to a liquid |
| precipitation | any form of water that falls from clouds and reaches earths surface (ran or snow or sleet or mist or hail |
| transpiration | evaporation of water from the leaves of plants |
| crystallization | the process by which subtance becomes a solid sort of like freezing |
| surface runoff | water that flows over land untill it reaches a lake river or other areas |
| grown water flow | water that is flowing beneath the earths surface |
| dew | water that condensed on a cool surface overnight from water vapor in the air |
| frost | ice formed when vapor changes directly onto ice |
| ozone (o3) | part of earths atmosphere protects people by asorbing harmful rays from the sun |
| greenhouse effect | a warming of the earth surface and the air above it it caused by gasses in the air that trap energy from the sun |
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