Q1
What is wind?
AMovement of air from high to low pressure
BMovement of water
CMovement of land
DNo movement at all
SSCClass 7 (SSC)Geography (भूगोल)Ch 5 · Topic 1
Winds
Wind is the movement of air from areas of high pressure to low pressure, and understanding wind patterns helps explain weather and climate.
Core concept
Wind occurs because air moves from areas of high atmospheric pressure to areas of low pressure, trying to balance pressure differences.
How it works
Local winds, like sea breezes and land breezes, occur due to temperature differences between land and water over short distances.
Why it matters
Global wind patterns, like trade winds and westerlies, occur due to the rotation of the Earth and uneven heating of the atmosphere.
Key detail
Understanding wind patterns helps us predict weather, understand climate patterns, and explains phenomena like monsoons.
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Quick notes
• Wind: air moves high pressure to low pressure.
• This balances pressure differences.
• Local winds: sea breeze, land breeze.
• Caused by land-water temperature differences.
• Global winds: trade winds, westerlies.
• Caused by Earth's rotation, uneven heating.
• Wind patterns help predict weather.
• They explain phenomena like monsoons.