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 used to measure air pressure.

Front

What type of weather is usually associated with low air pressure?

Back

Stormy weather is usually associated with low air pressure.

Front

What type of weather is usually associated with high air pressure?

Back

Clear and calm weather is usually associated with high air pressure.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases as altitude increases.

Front

What is a high pressure system?

Back

A high pressure system is an area where the atmospheric pressure is higher than the surrounding areas, often leading to clear skies.

Front

What is a low pressure system?

Back

A low pressure system is an area where the atmospheric pressure is lower than the surrounding areas, often leading to stormy weather.

Front

How does air move in a high pressure system?

Back

Air moves outward from a high pressure system.

Front

How does air move in a low pressure system?

Back

Air moves inward toward a low pressure system.

Front

What is the relationship between air pressure and weather fronts?

Back

Weather fronts are often associated with changes in air pressure, leading to different weather conditions.