4.5 Global Winds

1. What is the main driver of global wind patterns?

• A) Ocean currents

• B) The Earth’s rotation

• C) Solar radiation and the uneven heating of Earth’s surface

• D) Mountain ranges

2. Which layer of the atmosphere contains most of Earth’s weather and is where global wind patterns form?

• A) Stratosphere

• B) Troposphere

• C) Mesosphere

• D) Thermosphere

3. The Coriolis effect causes winds in the Northern Hemisphere to:

• A) Rotate clockwise

• B) Rotate counterclockwise

• C) Flow directly northward

• D) Flow directly southward

4. What causes the Coriolis effect?

• A) Earth’s gravitational pull

• B) Earth’s magnetic field

• C) Earth’s rotation

• D) Earth’s revolution around the Sun

5. Which global wind pattern is located between 0° and 30° latitude?

• A) Westerlies

• B) Trade winds

• C) Polar easterlies

• D) Jet streams

6. The intertropical convergence zone (ITCZ) is characterized by:

• A) High atmospheric pressure

• B) Low atmospheric pressure

• C) Strong, cold winds

• D) Strong, dry winds

7. The Hadley cell is associated with air movement in which regions?

• A) 0° to 30° latitude

• B) 30° to 60° latitude

• C) 60° to 90° latitude

• D) 30° to 45° latitude

8. The Polar cell involves air movement in which of these areas?

• A) 0° to 30° latitude

• B) 30° to 60° latitude

• C) 60° to 90° latitude

• D) 15° to 45° latitude

9. Which global winds affect the majority of weather patterns in the United States?

• A) Trade winds

• B) Polar easterlies

• C) Westerlies

• D) Jet streams

10. Which latitude regions are typically characterized by dry, high-pressure areas with little precipitation?

• A) 0° (Equator)

• B) 30° (Subtropics)

• C) 60° (Subpolar)

• D) 90° (Poles)

11. Trade winds typically blow from:

• A) East to west

• B) West to east

• C) North to south

• D) South to north

12. Where are the westerlies located?

• A) 0° to 30° latitude

• B) 30° to 60° latitude

• C) 60° to 90° latitude

• D) 15° to 30° latitude

13. The trade winds in the Southern Hemisphere blow:

• A) Northeast to southwest

• B) Southeast to northwest

• C) Northwest to southeast

• D) Southwest to northeast

14. The ITCZ is typically found:

• A) At 30° north and south latitude

• B) At the Equator

• C) At 60° north and south latitude

• D) At the poles

15. The Hadley cell is characterized by rising air at the equator and:

• A) Descending air at 30° latitude

• B) Descending air at 60° latitude

• C) Rising air at the poles

• D) Descending air at 45° latitude

16. The main factor responsible for the creation of wind is:

• A) Earth's gravitational pull

• B) Temperature differences caused by uneven solar heating

• C) Magnetic fields

• D) Earth’s axial tilt

17. Which global winds are found near the poles?

• A) Trade winds

• B) Westerlies

• C) Polar easterlies

• D) Jet streams

18. What effect does the Coriolis effect have on wind direction in the Southern Hemisphere?

• A) Causes winds to deflect left

• B) Causes winds to deflect right

• C) Has no effect on wind direction

• D) Causes winds to move directly southward

19. The primary role of global winds in Earth’s climate is to:

• A) Increase temperature

• B) Increase humidity

• C) Distribute heat and moisture across the globe

• D) Block sunlight

20. What phenomenon causes calm, low-wind areas known as "doldrums"?

• A) Westerlies

• B) Polar easterlies

• C) Trade winds

• D) ITCZ convergence

21. Which wind cells are located between the Hadley and Polar cells?

• A) Trade cells

• B) ITCZ cells

• C) Ferrel cells

• D) Jet cells

22. In which direction do the westerlies blow in the Northern Hemisphere?

• A) North to south

• B) East to west

• C) West to east

• D) South to north

23. Global wind patterns are primarily influenced by which two main factors?

• A) Temperature and altitude

• B) Latitude and altitude

• C) Temperature and pressure differences

• D) Latitude and ocean currents

24. Which statement best describes the polar easterlies?

• A) Cold winds blowing from east to west near the poles

• B) Warm winds blowing from west to east near the equator

• C) Winds blowing from north to south at 30° latitude

• D) Winds blowing from south to north at 60° latitude

25. What would happen to global wind patterns if Earth stopped rotating?

• A) The Coriolis effect would increase

• B) Winds would blow directly from high to low-pressure areas with no deflection

• C) Winds would stop entirely

• D) The jet stream would disappear, but other winds would continue

26. The primary reason for stronger wind speeds at higher altitudes is:

• A) Lower pressure at higher altitudes

• B) Greater temperature differences

• C) Lack of surface friction

• D) Greater humidity

27. Which of the following best describes jet streams?

• A) Narrow bands of strong winds in the upper atmosphere

• B) Slow-moving winds near the Earth’s surface

• C) Winds that change direction daily

• D) Winds that are only found at the Equator

28. Trade winds are important because they:

• A) Bring dry weather to equatorial regions

• B) Help drive ocean currents like the Gulf Stream

• C) Occur only near the poles

• D) Always blow northward

29. Which of the following pairs correctly matches the wind belt with its approximate latitude range?

• A) Westerlies: 0°-30°

• B) Trade winds: 30°-60°

• C) Polar easterlies: 60°-90°

• D) ITCZ: 60°-90°

30. Why do high-pressure systems generally lead to clear, dry weather?

• A) Rising air cools and condenses to form clouds

• B) Descending air warms and evaporates moisture

• C) Rising air pushes clouds away

• D) High pressure draws in dry, cold air from above

Answers

1. C

2. B

3. A

4. C

5. B

6. B

7. A

8. C

9. C

10. B

11. A

12. B

13. B

14. B

15. A

16. B

17. C

18. A

19. C

20. D

21. C

22. C

23. C

24. A

25. B

26. C

27. A

28. B

29. C

30. B

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