Page 137 - Science Course 1 (Book 2)

Mo9-L5: Key Concept Check

Direction: On the line before each def nition, write the letter of the term that matches it correctly. Each
term is used only once.

1. various distinct wind patterns near Earth’s surface A. westerlies

2. a phenomenon that causes air masses to apparently turn left or right B. trade winds
3. steady winds that f ow toward the equator C. prevailing winds
4. areas of high pressure and calm air D. easterlies
5. steady winds that f ow toward the east E. jet streams

6. cold winds near the poles that blow toward the east F. convection cell
7. narrow bands of fast, high-altitude winds G. Corliolis effect
8. a global wind belt H. doldrums

Mo9-L5: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question or statement, write the letter of the correct answer.

1. What is the cause of wind?
A. the greenhouse effect
B. unequal heating of Earth’s surface
C. the release of latent heat as water changes state

2. Sea breezes form during the day when
A. a high-pressure area forms over the land.
B. the land heats faster than the nearby ocean.
C. the ocean heats faster than the nearby land.

3. What does the Coriolis effect do to winds in the northern hemisphere?
A. causes them to blow faster
B. causes them to reverse direction
C. causes them to turn to the right

4. Why do land breezes blow from the land to the sea at night?
A. The land is colder.
B. Land cools faster than nearby water.
C. An area of low pressure forms over the land.

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