Air Masses & Fronts

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

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 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

Sort the information to the correct type of air mass

• dry and warm

• dry and cold

• wet and warm

• wet and cold

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air masses are classified by ​ (a)   and ​ (b)  

• temperature

• humidity

• weather

• wind

Tags

NGSS.MS-ESS2-5

A ​ (a)   front is moving through Texas, as well as a ​ (b)   pressure system.

• cold

• low

• warm

• high

Tags

NGSS.MS-ESS2-5

Match the following

• Warm air mass squashes a cold air mass to the ground

• Occluded Front

• Two cold fronts sandwich a warm front

• Cold Front

• Cold air mass pushes up a warm air mass

• Warm Front

• Two Fronts meet and do not push past each other

• Stationary Front

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Scientists classify air masses by their temperature and ​ (a)   . There are ​ (b)   main types of air masses that influence the weather in North America. Some air masses form near the equator, so they are considered ​ (c)   . Other air masses form North or South of the 50 degree line of ​ (d)   , which means they would be considered ​ (e)   air masses.

• humidity

• four

• tropical

• latitude

• polar

• height

• many

• maritime

• longitude

• continental

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Match the system or front with the conditions.

• air pressure begins to drop

• after a cold front passes through

• air pressure begins to rise

• what air pressure change happens after a storm

• temperatures drop and air pressure rises

• as storms approach what air pressure change happens

Tags

NGSS.MS-ESS2-5