Air Masses & Fronts

What is a front?

• A place where air masses meet
• the front part of a storm
• An area of very high wind
• an area that has fair weather

Tags

NGSS.MS-ESS2-5

rapidly moving cold air  mass runs into a warm air mass the cold air slides under the warm air. This is called a  .....

• cold front
• warm front
• stationary front

Tags

NGSS.MS-ESS2-5

When a cold front is approaching, what happens?

• warm air is pushing under cold air causing humid weather and lower temperatures
• warm air is pushing under cold air causing humid weather and higher temperatures
• warm air rises, cools, and causes rain and thunderstorms
• cold air is pushed over warm air causing rain and thunderstorms

Tags

NGSS.MS-ESS2-5

This is the symbol for which type of front?

• cold front
• warm front
• occluded front
• stationary front

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which type of air would you find at air mass D?

• cold, dry
• warm, humid
• warm, dry
• cold, humid

Tags

NGSS.MS-ESS2-5

What characteristics are used to classify air masses?

• temperature and humidity
• pressure and temperature
• latitude and longitude
• wind speed and location 

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What type of weather would you expect to see after a cold front has passed through an area?

• cool and clear skies
• warm and humid
• thunderstorms
• foggy

Tags

NGSS.MS-ESS2-5

Where would you find a tropical maritime air mass?

• over the ocean, near the equator
• over the ocean, near the poles
• over a continent, near the equator
• over a continent, near the poles

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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