Air Masses and Fronts ESS 5.1.2

Front

What is an air mass?

Back

An air mass is a large body of air that has uniform temperature and humidity characteristics.

Tags

NGSS.MS-ESS2-5

Front

What are the four main types of fronts?

Back

Cold front, Warm front, Stationary front, Occluded front.

Tags

NGSS.MS-ESS2-5

Front

What happens at a cold front?

Back

Cold air pushes under warm air, causing warm air to rise, which can lead to thunderstorms.

Tags

NGSS.MS-ESS2-5

Front

What happens at a warm front?

Back

Warm air rises over cold air, leading to gradual cooling and precipitation.

Tags

NGSS.MS-ESS2-5

Front

What is a stationary front?

Back

A stationary front occurs when two air masses meet but neither is strong enough to replace the other.

Tags

NGSS.MS-ESS2-5

Front

What is an occluded front?

Back

An occluded front forms when a cold front overtakes a warm front, lifting the warm air off the ground.

Tags

NGSS.MS-ESS2-5

Front

What type of air mass forms over oceans?

Back

Maritime air mass.

Front

What type of air mass forms over land?

Back

Continental air mass.

Tags

NGSS.MS-ESS2-5

Front

What is a polar air mass?

Back

A polar air mass is cold and forms in high-latitude regions.

Tags

NGSS.MS-ESS2-5

Front

What is a tropical air mass?

Back

A tropical air mass is warm and forms in low-latitude regions.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6