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What is an air mass?

• A type of cloud

• A large body of air with similar temperature and moisture

• A small breeze

• A type of precipitation

Tags

NGSS.MS-ESS2-5

What kind of air mass forms over northern North America?

• Warm, moist air mass

• Cold, dry air mass

• Hot, humid air mass

• Cool, wet air mass

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What causes air masses to collide?

• Differences in atmospheric conditions

• The rotation of the Earth

• The gravitational pull of the moon

• The movement of tectonic plates

Tags

NGSS.MS-ESS2-5

What is the main difference between a high-pressure system and a low-pressure system?

• High-pressure systems are always warmer

• Low-pressure systems create wind pushing air masses

• High-pressure systems are always colder

• Low-pressure systems are stationary

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What happens when air masses collide?

• They mix completely

• They create storms and severe weather

• They disappear

• They form a new air mass

Tags

NGSS.MS-ESS2-5

What type of clouds form at a cold front?

• Thin and wispy clouds

• Low-level thick and puffy clouds

• High-level cirrus clouds

• No clouds form

Tags

NGSS.MS-ESS2-5

What indicates the location of a cold front on a weather map?

• Red line with semicircles

• Blue line with triangles

• Green line with squares

• Yellow line with stars

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is a characteristic of a warm front?

• Cold air mass slides over a warm air mass

• Warm air mass slides up and over a cooler air mass

• Warm air mass pushes into a cold air mass

• Cold air mass pushes into a warm air mass

Tags

NGSS.MS-ESS2-5

What type of clouds are associated with a warm front?

• Low-level thick clouds

• High-level cirrus clouds

• Thin and wispy clouds

• No clouds form

Tags

NGSS.MS-ESS2-5

What happens to the weather after a warm front passes?

• Skies clear and temperatures rise

• Rain continues and temperatures drop

• Heavy thunderstorms

• Fog and drizzle

Tags

NGSS.MS-ESS2-5