Air Masses and Fronts

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

NGSS.MS-ESS2-6

Front

What are the two main properties of air masses?

Back

Temperature and humidity.

Tags

NGSS.MS-ESS2-5

Front

What type of air mass is formed over land and is dry?

Back

Continental air mass.

Front

What type of air mass is formed over water and is moist?

Back

Maritime air mass.

Tags

NGSS.MS-ESS2-5

Front

What is a cold front?

Back

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

Tags

NGSS.MS-ESS2-5

Front

What is a warm front?

Back

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

Tags

NGSS.MS-ESS2-5

Front

What is a stationary front?

Back

A stationary front occurs when a warm air mass and a cold air mass meet but do not move relative to each other.

Tags

NGSS.MS-ESS2-5

Front

What is an occluded front?

Back

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

Tags

NGSS.MS-ESS2-5

Front

How do air masses affect weather?

Back

Air masses influence weather patterns by bringing specific temperature and humidity conditions to an area.

Tags

NGSS.MS-ESS2-5

Front

What direction do winds generally move in relation to high and low pressure systems?

Back

Winds move from high pressure areas to low pressure areas.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6