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atmospherer
quiz card
| Term | Definition |
|---|---|
| Air Pressure | - the measure of the force with which air molecules push on a surface |
| Altitude | elevation (height) above sea level |
| Troposphere | lowest layer of Earths atmosphere; |
| Stratosphere | 2nd layer of atmosphere; |
| Stratosphere | the fourth layer of the atmosphere, |
| Mesosphere | middle layer of the atmosphere; |
| Exosphere | the outer layer of the thermosphere, |
| Atmospheric Gases | nitrogen makes up 78%, 21% oxygen, |
| Nitrogen | most abundant gas in the atmosphere (78%) |
| Oxygen | - gas that makes up 21% of the air |
| Carbon Dioxide | a greenhouse gas: a gas that absorbs and radiates heat |
| Trace Gases | gasses such as hydrogen, helium, |
| Water Vapor | water in the form of a gas |
| Fossil Fuels | a natural substance formed from the buried remains |
| Greenhouse Gases | gasses in Earths atmosphere that trap heat near the surface |
| Water Cycle | the continuous process by which water moves from Earth's surface to the atmosphere |
| 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 Earths surface (rain orsnow 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 | 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 |