Weather Ch. 3 Modified

Front

What does a barometer measure?

Back

A barometer measures air pressure.

Front

What type of weather occurs when a cold air mass bumps against a warm air mass?

Back

Cold with thunderstorms.

Front

Which front is most likely to bring clouds and precipitation that last for several days?

Back

Stationary front.

Front

What forms when water vapor cools and condenses on dust particles in the air?

Back

Clouds.

Front

What condition suggests that a change from fair to stormy weather is likely?

Back

Decreasing air pressure.

Front

What is humidity?

Back

Humidity is the amount of water vapor present in the air.

Front

What is precipitation?

Back

Precipitation is any form of water that falls from clouds, including rain, snow, sleet, and hail.

Front

What is a cold front?

Back

A cold front is the leading edge of a cooler mass of air that replaces a warmer mass.

Front

What is a warm front?

Back

A warm front is the leading edge of a warmer mass of air that replaces a cooler mass.

Front

What is a high-pressure area?

Back

A high-pressure area is a region where the atmospheric pressure is higher than that of the surrounding areas, often bringing clear skies.