Air masses and Fronts

What is an air mass?

• a boundary between two fronts
• an area of air with the same temperature and humidity throughout
• a bubble of warm air that rises up
• a region of air with a changing temperatur

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is a front?

• an area of air with the same temperature and humidity throughout
• a measure of the weight of the air pushing down on an area
• the boundary between air masses
• the short-term conditions of an area, including temperature and precipitation

Tags

NGSS.MS-ESS2-5

Which kind of front is this?

• Warm Front
• Cold Front
• Stationary Front
• Occluded Front

Tags

NGSS.MS-ESS2-5

Which kind of front is this?

• Stationary Front
• Cold Front
• Warm Front
• Occluded Front

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which kind of front is this?

• Occluded Front
• Cold Front
• Stationary Front
• Warm Front

Tags

NGSS.MS-ESS2-5

On a weather map, cold fronts and warm fronts move...

• in the direction that the symbols are pointing.
• to the east.
• to the west.
• from high pressure to low.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How do we characterize an air mass that forms over the ocean?

• Dry
• Wet
• Cold
• Warm

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How do we characterize an air mass that forms over land?

• Dry
• Wet
• Cold
• Warm

Tags

NGSS.MS-ESS2-5

What types of air masses form over oceans?

• Maritime
• Continental
• Polar
• Tropical

Tags

NGSS.MS-ESS2-5

How do we characterize an air mass that forms near the poles?

• Dry
• Wet
• Warm
• Cold

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6