Air Masses and Fronts

Multiple Choice

When heat is transferred via warm matter rising and cold matter sinking in a continuous cycle, this is called . . .

• conduction

• radiation

• convection

• insolation

Multiple Choice

When Miss Lucy the cat gets warmed up by lying in her heated cat bed, this transfer of heat is called

• conduction

• radiation

• convection

Multiple Choice

If an air mass is sinking, it must be . . .

• cold and less dense

• cold and more dense

• warm and less dense

• warm and more dense

Multiple Choice

If an air mass is rising, it must be . . .

• cold and less dense

• cold and more dense

• warm and less dense

• warm and more dense

Multiple Choice

If I blew up a balloon in a 72°F classroom and then took it outside where it is 100°F, what would happen to the volume of air in the balloon?

• It would shrink.

• It would expand.

• It wouldn't change size.

Multiple Choice

Winds are caused primarily by differences in

• precipitation

• air pressure

• humidity

• turbulence

Multiple Select

High pressure areas tend to have what kind of weather? Select two answers.

• rain

• clear skies

• windy

• no wind

• overcast

Multiple Select

Low pressure areas tend to have what kind of weather? Select two answers.

• rain

• clear skies

• windy

• no wind

• overcast

Multiple Choice

A front is

• where warm air is cooling at earth's surface

• a line where hot and cold air are separating

• where cold air is rising and forming rain clouds

• a line where two different air masses meet

Multiple Choice

When a cold front or a warm front stays in place for several days without invading another front, it becomes a/n . . .

• cold front

• stationary front

• occluded front

• warm front

Multiple Choice

Warm fronts tend to bring what kind of precipitation?

• prolonged, light rain

• short bursts of hard rain