Short Quiz on Air Masses

What is an air mass?

• A small volume of air with different temperatures.

• A large body of water that affects the climate.

• A large body of air with uniform temperature, humidity, and pressure.

• A type of cloud that causes storms.

Where do cold air masses form?

• In polar regions or at high altitudes.

• Over tropical oceans.

• At the equator.

• In the center of warm continents.

When a warm air mass meets a cold air mass, it usually forms:

• A hurricane.

• A front.

• A tornado.

• A drought.

A cold front can cause:

• Light rain and clear skies.

• Intense storms and a drop in temperature.

• Dry and sunny weather.

• Increased humidity without rain.

Which of the following fronts forms when a cold air mass moves quickly and reaches a warm air mass?

• Warm front

• Stationary front

• Cold front

• Occluded front

A warm air mass generally forms over tropical or subtropical areas.

A stationary front forms when a warm air mass moves quickly over a cold air mass.

A cold air mass is associated with high pressure and clear skies.

Warm fronts usually bring heavy rain and intense thunderstorms.

An occluded front occurs when a cold front reaches a warm front and lifts it off the ground.