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Unit 9: Weather

Eighth Grade Science

TermDefinition
Atmosphere The layer of gases that surround the planet
Air The mixture of the gases in the atmosphere
Density The amount of mass in a given volume of air
Atmospheric Pressure The force of the air molecules pushing on an area
Altitude Has Attitude A measure of the distance an object is above sea level
Ozone
Barometer An instrument used to measure atmospheric pressure. Normal is 29.92 in. of Hg
Specific Heat The amount of heat needed to change the temperature (Delta T) of a substance
Created by: FutureFarmer
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