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16 Cards in this Set
- Front
- Back
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weather |
the condition of the atmosphere at any given moment in a particular area |
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wind |
the movement of air due to differences in air pressure |
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sea breeze |
a local wind that blows from an ocean or sea toward land |
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land breeze |
a local wind that blows from the land toward a body of water |
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doldrums |
a relatively calm area near the equator where warm air rises |
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horse latitudes |
a relatively calm area located near both 30 degree latitudes where cool air sinks |
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trade winds |
the winds that blow easterly from both 30 degree latitudes toward the equator |
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westerlies |
the winds found between the 30 and 60 degree latitudes that blow toward the poles from west to east |
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polar easterlies |
the cold winds from the poles to the 60 degree latitudes that blow from east to west |
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air mass |
a very large body of air that maintains uniform temperature and humidity and pressure as it moves |
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front |
the boundary at which two different air masses meet |
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isobar |
a line used on a map or chart connecting points of equal air pressure |
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monsoon |
a wind that changes direction with the change of seasons and which usually brings very heavy rainfall |
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What determines weather? |
air temperature / air pressure / humidity |
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What cause local and global winds? |
convection currents |
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What causes changes in the weather? |
the interaction of air masses forms fronts |
