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Air pressure

TermDefinition
Density The amount of mass of a substance i a given volume; mass per unit volume
Pressure The force exerted on a surface divided by the total area over which the force is exerted.
Air Pressure Th 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 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 the measures changes in air pressure without using a liquid
Altitude Elevation above sea level
Created by: FuntomFive