Air Masses and Weather Fronts Summative Assessment

In a high pressure system

• there are few clouds because the air in moving downward

• there are many clouds because the air is very humid

• there are few clouds because the air is moving outward

• there are many clouds because the air is moving upward

A front is

• where warm air is cooling at earth's surface
• a line where hot and cold air are separating
• a line where two different air masses meet
• where cold air is rising and forming rain clouds

The symbol on a weather map for a cold front is what?

• a line with triangles on it
• a line with semi-circles on it
• a line with squares on it
• a line with circles on it

If an air mass is rising, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense

If an air mass is sinking, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense

When two air masses meet, what happens?

• The weather changes and precipitation usually occurs.
• wind
• water
• volcano

When a cold front or a warm front stays in place for several days without invading another front, it is called a ______. 

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

This is the symbol for which type of front?

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

This is the symbol for which type of front?

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

What does this symbol on a weather map indicate? 

• High pressure system
• Low pressure system
• Cold front
• Warm front