Air Masses and Fronts

An air mass is

• a large body of air with about the same temperature and humidity throughout

• the amount of moisture in the air

• a place where two different air masses meet

• a cold air mass that bumps against a warm air mass

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is humidity?

• cold air

• hot air

• the amount of moisture in the air

• direction of a front

Tags

NGSS.MS-ESS2-4

What is a front?

• where warm air mass meets

• measurements to make weather maps

• a large body of air

• a place where two different air masses meet.

Tags

NGSS.MS-ESS2-5

A cold front is,,,,,

• a cold air mass that bumps against a warm air mass

• a warm air mass meets a colder air mass and slowly rises over it.

Tags

NGSS.MS-ESS2-5

What is a warm front?

• a cold air mass bumps against a warm air mass

• a warm air mass meets a colder air mass and slowly rises over it

• two air masses meet and stop moving

• warm air mass gets caught between 2 cold air masses

Tags

NGSS.MS-ESS2-5

What kind of precipitation falls during a cold front?

• thunderstorms or severe weather

• precipitation lasting several days

• strong wind and heavy precipitation

• steady rain

Tags

NGSS.MS-ESS2-5

What kind of precipitation falls during a warm front?

• long lasting rain

• thunderstorms and severe weather

• heavy precipitation

• steady rain

Tags

NGSS.MS-ESS2-5

What kind of front is: A warm air mass gets caught between 2 cold air masses, warm air rises up between the 2

• warm front

• occluded front

• warm front

• cold front

Tags

NGSS.MS-ESS2-5

In the United States weather usually moves from

• west to east

• east to west

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When air is heavy and sinks what kind of pressure system is it?

• low pressure system

• high pressure system

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6