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Details

Weather
Air masses and movement of Air, Clouds, Lightning and Thunder, Layers and the Atmosphere
13
Science
10th Grade
05/22/2010

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Cards

Term
Meterology
Definition
the study of the atmosphere.
Term
Humidity
Definition
a measure of the amount of water vapor in the air.
Term
Relative Humidity
Definition
the ratio of amount of water vapor currently in the air at a given temperature to the largest amount of water vapor the air can contain at that temperature.
Term
Lower Pressure
Definition
As air rises it expands.
Term
Dew Point
Definition
AS air cools it slows down and begins to condense
Term
Precipitation
Definition
As the Water droplets grow, they fall as rain, sleet, hail, or snow.
Term
Temperature Inversion
Definition
What Upper regions of air that are warmer than lower regions leads to
Term
Convectional Lifting
Definition
warning air rises from "hot spots" followed by sinking cooler air
Term
Orographic Lifting
Definition
air that is pushed up by a land mass
Term
Lightning
Definition

falling water droplets bump into and rub against one another

cloud becomes electrically charged and and is released as lightning

Term
Thunder 
Definition
lightning heats up air and it expands so fast that it breaks the sound barrier 
Term
Tornadoes
Definition
Funnel Cloud that has touched the ground
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