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Chapter 7 Section 2

Density The amount of mass of a substance 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 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 resenting in a dish of mercury.
Android Barometer An instrument that measures changes in air pressure without using liquid
Altitude Elevation above sea level
Created by: BrandonTran