Air Pressure

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air molecules above a surface. It decreases with altitude.

Tags

NGSS.MS-ESS2-5

Front

What happens to warm air molecules?

Back

Warm air molecules move faster than cool air molecules.

Tags

NGSS.MS-PS1-4

Front

What happens to cool air molecules?

Back

Cool air molecules take up less space than warm air molecules.

Tags

NGSS.MS-PS1-4

Front

What tool do we use to measure air pressure?

Back

A barometer is used to measure air pressure.

Front

How does temperature affect air pressure?

Back

As temperature rises, air pressure decreases.

Front

What kind of weather is associated with high air pressure?

Back

High air pressure is usually associated with fair weather.

Tags

NGSS.MS-ESS2-5

Front

What kind of weather is associated with low air pressure?

Back

Low air pressure is often associated with stormy weather.

Tags

NGSS.MS-ESS2-5

Front

What is the relationship between air pressure and altitude?

Back

Air pressure decreases as altitude increases.

Tags

NGSS.MS-ESS2-6

Front

What is a common unit of measurement for air pressure?

Back

Air pressure is commonly measured in millibars (mb) or inches of mercury (inHg).

Front

What happens to air pressure when air is heated?

Back

When air is heated, it expands and becomes less dense, leading to a decrease in air pressure.

Tags

NGSS.MS-PS1-4