the atmospher
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20 terms
Terms | Definitions |
|---|---|
 weather | constantly changes; refers to state of atmosphere at any given time and place |
| climate | based on observations over many years; describes a place or region |
| nitrogen | most commoon gas in the atmosphere |
| air | a mixture of various gases( nitrogen and oxygen make up 99% of clean, dry air) |
| ozone | a molecule of three oxygen atoms |
| temperature | what is the four layers of atmosphere divided based on? |
| troposphere | lowest layer of the atmospher; where clouds and weather occur |
| tropopause | the boundry between the tropsher and stratosphere |
| stratosphere | layer of the atmosphere where ozone is located |
| greenhouse effect | heating of the atmosphere by radiation absorbed by gases |
| scattering | the process that produces weak rays that travel in all directions |
| reflection | light bounces off an object |
| heat | energy that flows from one object to another due to difference in temperature |
| conduction, convection, radiation | three ways that energy can be transferred |
| condUction | involves making contact=toUch; tranfer of heat through molecular activity |
| convection | mass movement or circulation within a substance; heat rises/ cool sinks |
| radiation | tranfer of heat with or without the use of medium |
| isotherms | lines theat connect points of same temperature |
| cloudy nights | nighttime air temperatures than clear nights because clouds absorb outgoing radiation and reradiating it back towar Earth |
| the six temp. controls | latitude, heating of land and water, altitude, geographic position, cloud cover,ocean currents |
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