Chapter 8 - Comprehension Check 8.1

Front 1

The earth's rotation is the basic cause of all weather. T/F

Back 1

false

Front 2

Air flows from low pressure to high pressure. T/F

Back 2

false

Front 3

The atmosphere keeps the earth warm at night. T/F

Back 3

true

Front 4

Cool air rises when heavier; warmer air gets underneath it and pushes it up. T/F

Back 4

false

Front 5

Seasons are a result of the tilt of the earth's axis. T/F

Back 5

true

Front 6

Winds nearest the equator are called prevailing westerlies. T/F

Back 6

false

Front 7

The earth travels around the sun about 58,400 miles an hour. T/F

Back 7

false

Front 8

The earth spins about 1,000 miles an hour in order to rotate completely each day. T/F

Back 8

true

Front 9

The air that we live in receives most of its warmth from the ground. T/F

Back 9

true

Front 10

How many major wind systems does the earth have?

Back 10

three

Front 11

Explain the greenhouse effect.

Back 11

The atmosphere prevents the earth's heat from escaping to space. This prevents the earth's temperatures from dropping far below freezing every night when the sun goes down.