Weather and Atmospheric Terms

Front

Weather

Back

The condition of Earth’s atmosphere at a particular time and place.

Front

Atmosphere

Back

The relatively thin layer of gases that form Earth’s outermost layer.

Front

Water Vapor

Back

Water in the form of a gas.

Front

Density

Back

The amount of mass in a given volume of air.

Front

Air Pressure

Back

The pressure caused by the weight of a column of air pushing down on an area.

Front

Barometer

Back

An instrument used to measure changes in air pressure.

Front

Mercury Barometer

Back

An instrument used to measure changes in air pressure that uses liquid mercury.

Front

Aneroid Barometer

Back

An instrument used to measure changes in air pressure without using a liquid.

Front

Altitude

Back

Elevation above sea level.