Weather Fronts

Front

What are large pockets of air that may cover ten thousand or more square miles called?

Back

Air masses.

Front

True or False: Cooler air can hold less water than warm air.

Back

True.

Front

What happens when two air masses meet?

Back

The weather changes and precipitation usually occurs.

Front

Warm air is ______________________.

Back

Less dense than cold air.

Front

What is an air mass that forms over land near the arctic called?

Back

Continental polar.

Front

What is the term for the boundary between two different air masses?

Back

Weather front.

Front

What type of front occurs when a warm air mass meets a cold air mass and rises over it?

Back

Warm front.

Front

What type of front occurs when a cold air mass pushes into a warm air mass?

Back

Cold front.

Front

What is the effect of a stationary front?

Back

It can cause prolonged periods of rain or cloudy weather.

Front

What is the term for the amount of water vapor in the air?

Back

Humidity.