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weather part 1 vocab
| Term | Definition |
|---|---|
| air pressure | the measure of the force with witch air moleicules push on surface |
| altitude | elivation(height) above sea level |
| trophosphere | lowest layer of earth's atmoshpere;0-17 km above earths surface,site of weather orgaims, cotains more atmosieric water vapour. |
| stratishere | 2nd layer of amnosphere; exstends from 10 to 30 miles up; location of ozone layer, obsours 95% |
| thermosphere | the fourth layer of amnosphere ,in witch tempurture increses as altitude increses. |
| mesosphere | middle layer of the anephere;51-85 km above earth's surface; coldest layer, this is where meteors burn up. |
| exosphere | the outer layer of the thermosphere exstending outward into space. |
| atmospheric gases | nitrogen makes 78%,21% oxygen, and remaing 1% is carben dioxside |
| nitrogen (n2) | most abundant gas in the atmosphere (78%) |
| oxygen (o2) | gas that makes up 21% of air in earth's atmosphere. it passes into the bloodstream at the lungs and travels to all body cells. |
| trace gases | gases such as hydrogen,heliam carbon diaside and argon that exsist in very small quantatis |
| water vapour | water in the form of gas |
| fossial fuals | a natral substance formed from the buried remains of an acident orgisms |
| green house gasses | gasses in the earth's atmophere that trap heat near the surface. |
| water cycle | the continues proses by witch water moves from earth's surface |
| evaporation | the change of a subtance from a liqid to a gas |
| condensation | the change from a gas to a liqid |
| precipitation | any form of water that falls from clouds and reaches Earth's suface (rain or snow or hail or sleet or mist ) |
| transpiration | evaporation of water from the leafs of a plant |
| crystallization | the process by witch a substince becomes a solid , sort of like fresing |
| surface runoff | water that flows over land until it reaches lakes, rivers, or other areas. |
| ground water flow | water that is flowing beneath Earth's surface |
| dew | water that has condensed on a cool surface overnight from water vapor in the air |
| frost | ice formed when water vapor changes dirctly into ice crystals |
| ozone (03) | part of Earth's upper atmosphere ; it prtecs people by absorbing harmful raise |
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