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Wind (Grade 9)

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Wind

1. 
A steep pressure gradient indicates strong winds.
  1. True
  2. False
 
2. 
The tendency for warm air to rise and cool air to sink results in
  1. global wind patterns
  2. ocean upwelling
  3. equal heat distribution
  4. warm year round temperatures near the equator
3. 
Which of the following factors contributes to earth's wind patterns?
  1. friction
  2. pressure gradient
  3. Coriolis force
  4. solar radiation
  5. all of the above
 
4. 
An instrument used to measure wind speeds near the earth's surface is the                .
  1. thermometer
  2. anemometer
  3. barometer
  4. hygrometer
5. 
A belt of warm rising air that straddles the equator, where the winds from the tropics converge:
  1. jet streams
  2. monsoons
  3. trade winds
  4. ITCZ
  5. horse latitudes
 
6. 
Regions of high pressure and gentle winds at about 30 degrees north and south latitude:
  1. horse latitudes
  2. prime meridian
  3. ITCZ
  4. jet streams
  5. trade winds
7. 
Winds that blow from the horse latitudes toward the equator:
  1. horse latitudes
  2. jet streams
  3. trade winds
  4. monsoons
  5. ITCZ
 
8. 
Narrow, meandering bands of rapidly moving air found at high altitudes:
  1. horse latitudes
  2. ITCZ
  3. jet streams
  4. monsoons
  5. trade winds
9. 
Match the following statement with the correct term. "A large-scale atmospheric convection cell in which air rises at the equator and sinks at medium latitudes, typically about 30 degrees north or south."
  1. 30 Degrees Cell
  2. Trade Winds
  3. Equator Cell
  4. Rising Cell
  5. Hadley Cell
 
10. 
In which of the following places on the earth might one find calm prevailing winds, low atmospheric pressure, warm temperatures, and consistent cloud formation?
  1. In the polar regions
  2. Neat the equator
  3. In the trade winds
  4. Around the "Roaring Forties"
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