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Chapter 7 Section 2

Science

TermDefinition
Density The amount of mass of a substance in a given volume.
Pressure The force exerted on a surface divided by the area over which the force is exerted.
Air Pressure The pressure caused by the weight of a column of air pushing down on an area.
Barometer An instrument used to measure changes in air pressure.
Mercury Barometer An instrument that measures changes in air pressure, consisting of a glass tube partially filled with mercury, with its open end resting in a dish of mercury.
Aneroid Barometer An instrument that n=measures changes in air pressure without using a liquid.
Altitude Elevation above sea level.
Created by: ksnow61
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