Class 9 Social Science — Chapter 4: Climate

What you'll learn

• ▸Introduction to Climate and Weather
• ▸Six Major Climatic Controls
• ▸Factors Specifically Affecting India's Climate
• ▸The Mechanism of the Indian Monsoon
• ▸The Cold Weather Season (Winter)
• ▸The Hot Weather Season (Summer)
• ▸The Four Main Seasons of India
• ▸Regional Variations in Climate

Chapter Summary

--- PAGE 1 --- 0968CH04 4 CLIMATE In the last two chapters you have read about the landforms and the drainage of our country. These are the two of the three basic elements that one learns about the natural environment of any area. In this chapter you will learn about the third, that is, the atmospheric conditions that prevail over our country. Why do we wear woollens in December or why it is hot and uncomfortable in the month of May, and why it rains in June - July? The answers to all these questions can be found out by studying about the climate of India. Climate refers to the sum total of weather conditions and variations over a large area for a long period of time (more than thirty years). Weather refers to the state of the atmosphere over an area at any point of time. The elements of weather and climate are the same, i.e. temperature, atmospheric pressure, wind, humidity and precipitation. You may have observed that the weather conditions fluctuate very often even within a day. Bu…

Practice Questions from this Chapter

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1. Explain monsoon winds simply. Get Solution →
2. Compare coastal and interior climates. Get Solution →
3. Illustrate the Coriolis effect. Get Solution →
4. What does the term 'climate' refer to? Get Solution →
5. The word 'monsoon' is derived from the Arabic word 'mausim', which literally means what? Get Solution →
6. What type of climate is the climate of India described as? Get Solution →
7. Which of these is a strong, gusty, hot, dry wind that blows over north and northwestern India during summer? Get Solution →
8. What are the pre-monsoon showers in Kerala and Karnataka that help in the early ripening of mangoes called? Get Solution →

Did you know?

• 💡 Earth's coldest recorded temperature reached an astonishing minus 89.2 degrees Celsius in Antarctica.
• 💡 The world's wettest place, Mawsynram, India, gets about 11,870 millimeters of rain each year.
• 💡 On top of Mount Everest, water boils at only 71 degrees Celsius due to lower air pressure.
• 💡 The Coriolis effect makes hurricanes spin counter-clockwise in the Northern Hemisphere.
• 💡 Some plants can change their leaf direction to track the sun, adapting to seasonal light changes.

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