Chapter 21 Test Review

Front

What is weather?

Back

The state of the atmosphere at a particular place and time.

Front

Air likes to move from ____________ to ____________ pressure areas.

Back

high; low

Front

An ________________ is a large air body that has the same temp and moisture throughout.

Back

air mass

Front

An air mass is classified by and brings the weather of its ________________.

Back

source region

Front

Air Masses: • Continental - __________________________ - brings ____________ weather • Maritime - __________________________ - brings ____________ weather • Tropical - __________________________ - brings ____________ weather • Polar - __________________________ - brings ____________ weather

Back

Continental - land - brings dry weather; Maritime - water - brings moist weather; Tropical - warm - brings warm weather; Polar - cold - brings cold weather

Front

Front: ________________________________________________

Back

A boundary between two air masses.

Front

__________ fronts occur when a cold air mass pushes beneath a warm air mass lifting it up. Clouds can form and produces ________________.

Back

Cold; storms or precipitation

Front

What type of fronts occur when a warm air mass pushes out and over a cold air mass, creating gentle rain over a large area with warmer temperatures?

Back

Warm fronts

Front

What type of fronts occur when 2 air masses move very slowly or not at all?

Back

Stationary

Front

What type of fronts occur when a fast moving cold air mass lifts the warm air off ground completely?

Back

Occluded