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earths atmosphere
| Term | Definition |
|---|---|
| atmosphere | made up of thin layers of thin gases, solids and, liquids |
| troposphere | the atmosphere that is closest to the earth and contains 99 percent of water. |
| stratosphere | a layer that comes after the troposphere and carries ozone. |
| mesosphere | a layer that has lots of meteors |
| ionosphere | a layer that has free electrons and used for radio signals |
| thermosphere | this layer has intense heat |
| exosphere | this layer is outside all layers |
| ultra violet radiation | the heat that is send from the sun |
| ozone layer | a layer that is in the stratosphere containing ozone |
| CFC's | an organic compound that contains only carbon, chlorine, and fluorine |
| air mass | a large body of air that has properties similar to the part of earths surface |
| front | a boundary between two air masses of different density |
| tornado | violently rotating column of air in contact with the ground |
| hurricane | a powerful, swirling low pressure system that forms over the warm atlantic |
| blizzard | a very strong snow storm in the upper US |
| meteorologist | a person that studies weather |
| station model | when meteorologists gather data from earths surface and record it on a map using symbols |
| isotherm | a line that connects points of equal temperatures |
| isobar | a line that connects points of equal atmospheric pressure |
| cold front | the boundary of an advancing mass of cold air |
| warm front | the boundary of an advancing mass of warm air |
| occluded front | a composite front produced by occlusion. |
| stationary front | a boundary between two different air masses |