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Voc. Chapter 15
The Atmosphere
| Question | Answer |
|---|---|
| atmosphere | a mixture of gases that surrounds a planet or moon |
| air pressure | the measure of force with which air molecules push on a surface |
| troposhere | the lowest level of the atmoshere |
| stratoshere | the layer of the atmosphere that is above the troposhere |
| mesosphere | the layer of the atmosphere between the stratoshpere and the thermoshpere. |
| thermosphere | the uppermost layer of the atmosphere |
| radation | the tranfer of energy as electromagnetic waves |
| thermal conduction | the transfer of energy as heat through material |
| convection | the movement of matter due to differences in desity |
| greenhouse effect | the warming of the surface and lower atmosphereof Earth |
| global warming | a gradual increase in average global temperature |
| wind | the movement of air caused by difference in air pressure |
| Coriolis effect | the apparent curving of the path of a moving object |
| polar easterlies | prevailing winds that blow from east to west between 69 and 90 latutude |
| westerlies | prevailing winds that blow from west to east between 30 and 60 latitude |
| trade winds | prevailing winds that blow northeast and southweast |
| jet stream | a narrow belt of strong winds that blow in the upper troposhere |