Air masses and fronts

_____________ has the same temperature and moisture content throughout. 

• convection current
• front
• air mass
• jet stream

What would you expect from a Continental Polar air mass? 

• moist, warm air
• dry, cold air
• dry, warm air
• moist, cold air

What would you expect from a Maritime Tropical air mass? 

• dry, warm air
• moist, cold air
• moist, warm air
• dry, cold air

When two air masses meet it is called a

• front
• gathering
• collision
• air boundary

_____________ air is more dense and tends to sink

• cold
• warm
• moist
• dry

________ air is less dense and tends to  rise

• cold
• warm
• moist
• dry

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
• occluded

_________ fronts are associated with more violent weather

• cold
• warm
• stationary
• occluded

a moving warm air mass collides with a slowly moving cold air mass is called a.....

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

cold air is _______ than warm air

• less dense
• more dense
• equally as dense