Atmospheric Circulation & Weather Systems
Explore the fundamental concepts of atmospheric circulation, global wind patterns, and their impact on weather systems for Grade 7 social studies.
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Atmospheric Circulation and Weather Systems
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Read each question carefully and answer to the best of your ability. Use the provided image to help answer some questions.
The image below shows a depiction of Earth's global atmospheric circulation.
1. What is the primary cause of atmospheric circulation on Earth?
The Earth's rotation
Uneven heating of the Earth's surface by the sun
The moon's gravitational pull
Ocean currents
2. Which of the following is a direct effect of the Coriolis Effect on wind patterns?
Winds always blow from east to west
Winds are deflected to the right in the Northern Hemisphere
Winds only blow at high altitudes
Winds always blow towards the equator
3. The area of low pressure near the equator where trade winds converge is known as the .
4. Global wind patterns are primarily driven by the unequal heating of the Earth's surface and the .
5. The Westerlies are prevailing winds that blow from west to east in the mid-latitudes.
True
False
6. High-pressure systems are generally associated with clear skies and stable weather.
True
False
7. Briefly explain how the Hadley, Ferrel, and Polar cells contribute to global atmospheric circulation.