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Air Pressure

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Across
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A measure of the amount of matter in an object
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Amount of space something takes up
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When warm air moves over cold air
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When warm air and cold air are pushing on each other
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the height of an object or point in relation to sea level or ground level
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Consists of a glass tube open at the bottom end and partially filled with mercury
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Layer of gases surrounding planet
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the amount of mass in a given volume of air
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the result of the weight of a column of air pushing down on an area
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the distance above sea level
Down
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less dense gas molecules = less air pressure
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an instrument that is used to measure air pressure
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Has an air tight metal chamber that is sensitive to changes in the sir pressure
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When cold air moves toward warm air and pushes it up
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force pushing on an area or surface
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Amount of force in a specific area
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More dense gas molecules = greater air pressure
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The state of the earth's conditions and atmosphere in a specific time and place