air pressure

Front

What happens to the space occupied by cool air molecules?

Back

Cool air molecules take up less space.

Front

What happens to the space occupied by warm air molecules?

Back

Warm air molecules take up more space.

Front

How do cool air molecules move compared to warm air molecules?

Back

Cool air molecules move slowly.

Front

What is the relationship between temperature and air pressure?

Back

As the temperature rises, air pressure decreases.

Front

Which of the following is not a property of air?

Back

It is not matter.

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air molecules on a surface.

Front

How does altitude affect air pressure?

Back

Air pressure decreases with increasing altitude.

Front

What is the effect of humidity on air pressure?

Back

Higher humidity generally leads to lower air pressure.

Front

What is the principle behind a barometer?

Back

A barometer measures air pressure using a column of mercury or an aneroid cell.

Front

What happens to air pressure when a weather front approaches?

Back

Air pressure typically decreases as a weather front approaches.