Atmospheric pressure and Types of Winds — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Geography
Summary of Atmospheric pressure and Types of Winds for Telangana Open School (TOSS) Class 12 Geography. Air surrounds the Earth and has weight, which.
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Overview
Air surrounds the Earth and has weight, which exerts pressure on the Earth's surface. This pressure, known as atmospheric pressure, plays a key role in shaping weather and wind patterns. Differences in air pressure lead to the movement of air, creating winds. These winds vary in scale—some blow all
Key Concepts
Atmospheric pressure is the weight
Atmospheric pressure is the weight of air above a unit area of the Earth's surface. It decreases with altitude and is affected by temperature, humidit
Due to uneven heating and Earth's
Due to uneven heating and Earth's rotation, seven distinct pressure belts form around the globe: Equatorial Low, two Subtropical Highs, two Subpolar L
Because the Earth rotates
Because the Earth rotates, moving air is deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This is known a
Winds are classified into three types
Winds are classified into three types: Permanent winds (like trade winds), Periodic winds (like monsoons and land/sea breezes), and Local winds (like
Learning Objectives
- Understand that air has mass and exerts pressure on the Earth's surface.
- Differentiate between high and low atmospheric pressure.
- Explain how differences in pressure create wind.
- Identify the factors affecting wind direction and speed.
- Classify and describe different types of winds: permanent, periodic, and local.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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