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Atmosphere
Topic Two, Lesson 1: The Atmosphere Around You
| Term | Definition |
|---|---|
| atmosphere | the relatively thin layer of gases that form Earth's outermost layer. |
| air pressure | the pressure caused by the weight of column of air pushing down on an area. |
| altitude | elevation above sea level. |
| wind | the horizontal movement of air from an area of high pressure to an area of a lower pressure. |
| stable | constant or about the same. |
| weather | current conditions in the atmosphere for a particular time and place |
| climate | long term pattern of weather in a region, typically averaged over 30 years |