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16 Cards in this Set
- Front
- Back
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4 main layers of the atmosphere
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troposphere, stratosphere, Mesosphere, thermosphere
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convection
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the transfer of thermal energy by the ciculation or movement of a liquid or gas.
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radiation
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is the transfer of energy as electrmagnetic waves.
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trade winds
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directly between the equator and 30 degreed created by strong sinking winds from east to west
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Polar easterlies
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move east to west and are above 60 degrees latitude
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Conduction
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the transfer of energy as heat through a material
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air density- explain high and low
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LESS dense and warmer - rises
MORE dense and colder - sinks |
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prevailing westerlies
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move west to east and are between 30 and 60 degrees latitude
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horse latitudes
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very calm winds between the westerlies and trade winds
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% of each gas in our atmosphere
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78% nitrogen
21% oxygen 1% other |
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air pressure
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is the measure of the force with which air molecules push on a surface
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ozone
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absorbs harmful ultraviolet radiation fromm the sun
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land breeze
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wind blows from land out to seaduring daylight hours
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sea breeze
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wind blows from sea to land during nighttime hours
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global warming
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is a gradual increase in the average earth temp. caused by the greenhouse effect
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greenhouse effect
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is a process which gases in the at,osphere absorb thermal energy and radiate it back to earth
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