Air & Air Pressure

Front

What is the pressure caused by the weight of a column of air pushing down on an area?

Back

Air Pressure

Front

Does air have mass?

Back

TRUE

Front

What instrument measures changes in air pressure without using a liquid?

Back

Aneroid Barometer

Front

What happens to air pressure when the air is less dense?

Back

It becomes LOW.

Front

What gas is the MOST abundant in the Earth’s atmosphere?

Back

Nitrogen.

Front

Define air pressure.

Back

The force exerted by the weight of air above a surface.

Front

What is the relationship between altitude and air pressure?

Back

As altitude increases, air pressure decreases.

Front

What is the primary component of Earth's atmosphere?

Back

Nitrogen, making up about 78%.

Front

What happens to air pressure as temperature increases?

Back

Air pressure generally increases with temperature.

Front

What is an aneroid barometer used for?

Back

To measure air pressure without liquid.