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19 Cards in this Set
- Front
- Back
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temp.
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the amount of heat in air
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wind speed
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how fast the air is moving past a measuring point
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visibility
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the distance you can see through air
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thermometer
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measures temp.
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hygrometer
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measures humidity
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anemometer
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measures wind speed
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wine vane
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indicates wind direction (N,E,S,W)
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barometer
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measures air pressure
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air
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a mixture of gases
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atmosphere
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the layer of gases surrounding the earth
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molecules
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a combination of 2 or more atoms
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weight
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the force an object exerts because of gravity
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mass
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the amount of matter in an object
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compression
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when air is forced into a smaller space
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troposphere
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the lowest layer of the atmosphere
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stratosphere
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the layer above the troposphere
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mesosphere
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there layer above the stratosphere
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thermosphere
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the layer above the mesosphere
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exosphere
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the layer farthest away from earth
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