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weather part 1 vocab
| Term | Definition |
|---|---|
| mesophere | middle layer of atmophere 51-85 km, coldest part. meterors burn here |
| air precher | the measure of the force with whitch air monoculs push on the surface |
| alitude | elevation above the sea level |
| trophoshere | the lowest layer of the earth's atmoshere |
| stratoshere | 2and layer of the earths atmoshere |
| thermoshere | the fourth layer of the earth's atmoshere |
| exoshere | the outer layer of the thermoshere extending tord space. |
| atmoshereic gases | nitrogen 78% 21% oxogen 1% carbon deouxide |
| Nitrogen (N2) | most abundant gas in the atmosphere (78%) |
| Oxygen | gas that makes up 21% of the air in Earth's atmosphere. It passes into the bloodstream at the lungs and travels to all body cells. |
| Carbon Dioxide (CO2) | a greenhouse gas: a gas that absorbs and radiates heat |
| Trace Gases | gasses such as hydrogen, helium, carbon dioxide and argon that exist in verysmall quantities in the atmosphere; gases that make up less than 1% of Earth's atmosphere |
| Water Vapor | water in the form of a gas |
| fossil Fuels | a natural substance formed from the buried remains of ancient organisms that can be used as a source of energy |
| Greenhouse Gases | gasses in Earth's atmosphere that trap heat near the surface |
| Water Cycle | the continuous process by which water moves from Earth's surface to the atmosphere and back |
| Evaporation | the change of a substance from a liquid to a gas |
| Condensation | the change from a gas to a liquid |
| Precipitation | any form of water that falls from clouds and reaches Earth's surface (rain or snow or hail or sleet or mist). |
| Transpiration | evaporation of water from the leaves of a plant |
| Crystallization | the process by which a substance becomes a solid, sort of like freezing. |
| Surface Runoff | water that flows over land until it reaches lakes, rivers, or other areas |
| Groundwater 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 directly into ice crystals |
| Ozone (O3) | part of Earth's upper atmosphere; it protects people by absorbing harmful rays from the sun. |
| Greenhouse Effect | a warming of Earth's surface and the air above it. It is caused by gasses in the air that trap energy from the Sun |
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