Air pressure

Front

What is air pressure?

Back

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

Front

What instrument is used to measure air pressure?

Back

A barometer is the instrument used to measure air pressure.

Front

What weather change occurs with an increase in air pressure?

Back

An increase in air pressure typically leads to cooler and dryer weather.

Front

What weather condition is most likely when atmospheric pressure begins to fall?

Back

Rainy weather is most likely when atmospheric pressure begins to fall.

Front

What type of weather is usually associated with low pressure?

Back

Low pressure is usually associated with stormy weather.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases as altitude increases.

Front

What is the relationship between air pressure and weather patterns?

Back

Air pressure influences weather patterns; high pressure usually brings clear skies, while low pressure can lead to storms.

Front

What does a falling barometer reading indicate?

Back

A falling barometer reading indicates that a storm or precipitation is likely.

Front

What does high air pressure typically indicate about humidity?

Back

High air pressure typically indicates low humidity.

Front

How does air pressure affect wind?

Back

Air moves from areas of high pressure to areas of low pressure, creating wind.