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Weather part 1 vocab
| Term | Definition |
|---|---|
| Air Pressure | The measure of the force with which air molecules on a surface |
| Altitude | Elevation(height) above sea level |
| Troposphere | Lowest layer of Earths atmosphere; 0-17 km above Earth surface, site of weather, organisms, contains,most atmospheric water vapor. |
| Stratosphere | 2nd layer of atmosphere; extends from 10 to 30 miles up; location of ozone. |
| Thermosphere | The fourth layer of the atmosphere, in which temperature increases altitude increases. |
| Exosphere | The outer layer of the thermosphere, extending outward into space |
| Atmospheric Gases | Nitrogen makes up 78%, 21% oxygen, and remaining 1% is carbon dioxide, water vapor an other gasses. |
| Nitrogen (N2) | Most abundant gas in the atmosphere (78%) |
| Oxygen (02) | Gas that makes up 21% of air in Earths atmospere. It passes into the bloodstream at the kungs and travels to all bady cells. |
| Carbon Dioxide (CO2) | A greenhousegas: A gas that absorbs and radiates heat |
| Trace Gases | Gasses such as hydrgen, helium, carbon dioxide and argon that eist in very small quantites in the atmosphere; gasses that make up lass than 1% of earths armosphere. |
| Water Vapor | Water in the form of a gas |
| Fossil Fuels | A natrual substance formed from the buried remains of ancient orginisims that can be used as a source of energy |
| Greenhouse Gases | Gasses in Earths atmosphere that trap heat near the surface |
| Water Cycle | The continuous process by which water moves from Earths surface to the atmosphere and back. |
| Evaporation | The change of a substances from a liquid to a gas |
| Condensation | The change from a gas to a liquid |
| Precipitation | Any form of water from the falls from the clouds |
| Transpirtation | Evaperation of water from 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 or rivers. |
| Groundwater Flow | Water that is flowing beneath Earths surface |
| Dew | Water that has conensened on a cool surface over night |
| Frost | Ice formed when water vapor changes directly into ice crystals |
| Ozone | Part of Earths upper atmosphere, it protects people by absourbing harmful rays |
| Green Effect | A warming of Earths surface and the air above it. It caused by gases the air traps |
| Mesophere | The middle layer in the at mosphere, 51- 85 km above Earths surace. Coldest layer. |
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