Air pressure and Wind

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.

Front

What happens to air pressure as you go higher in the atmosphere?

Back

Air pressure decreases as you go higher in the atmosphere because there are fewer air molecules above you.

Front

What is wind?

Back

Wind is the movement of air from an area of high pressure to an area of low pressure.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What causes wind?

Back

Wind is caused by differences in air pressure, which can result from temperature changes.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is the relationship between temperature and air pressure?

Back

Warm air is less dense and rises, leading to lower air pressure, while cold air is denser and sinks, leading to higher air pressure.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What type of air is found at the poles?

Back

Cold, dense air is found at the poles.

Front

What happens to warm air when it rises?

Back

When warm air rises, it creates an area of low pressure beneath it.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What type of pressure is typically left behind after a cold front passes?

Back

High pressure is typically left behind after a cold front passes.

Tags

NGSS.MS-ESS2-5

Front

What is the effect of high pressure on weather?

Back

High pressure usually leads to clear skies and calm weather.

Tags

NGSS.MS-ESS2-5

Front

What is the effect of low pressure on weather?

Back

Low pressure often leads to cloudy skies and precipitation.

Tags

NGSS.MS-ESS2-5