NCERT Class 7 Social Science Exploring Society India and Beyond Part-I: Chapter 2 — Understanding the Weather
This chapter, "Understanding the Weather," from NCERT Class 7 Social Science's "Exploring Society: India and Beyond Part-I," introduces the concept of weather and its elements. It explains that weather is the state of the Earth's atmosphere at a specific time and place. The atmosphere, a layer of gases surrounding Earth, is compared to a cake with layers, the lowest being the troposphere where all life and weather phenomena occur. The chapter highlights that the troposphere's thickness varies with latitude. It also touches upon the vocabulary used to describe weather conditions like hot, cold, rainy, and windy, encouraging students to explore local language terms. This foundational understanding is crucial for comprehending atmospheric changes and their impact on daily life and society.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 7 |
| Subject | Social Science |
| Book | Exploring Society India and Beyond Part-I |
| Chapter | Chapter 2 — Understanding the Weather |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 2 minutes |
| Word count | 366 |
Learning outcomes
- Define weather and the Earth's atmosphere.
- Identify the troposphere as the layer where weather occurs.
- Describe the variation in troposphere thickness.
- List and use common vocabulary to describe weather conditions.
Vocabulary
| Word | Meaning |
|---|---|
| Weather | The state of the Earth's atmosphere at a particular time and place. |
| Atmosphere | The layer of gases that surround the Earth. |
| Troposphere | The layer of the atmosphere closest to the Earth's surface, where most weather phenomena occur. |
| Humid | Containing a high amount of water vapor; damp. |
| Windy | Characterized by or exposed to strong winds. |
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Practice questions
- What is weather? Answer: Weather is the state of the Earth's atmosphere at a particular time and place.
- What is the atmosphere? Answer: The atmosphere is the layer of gases that surround the Earth.
- Which layer of the atmosphere is closest to the Earth's surface and where weather occurs? Answer: The troposphere is the layer closest to the Earth's surface where weather occurs.
- Why is the troposphere thicker in the tropical zone than at the poles? Answer: The troposphere is thicker in the tropical zone because warmer air expands, and it is less thick at the poles where cold air contracts.
Frequently asked questions
What is weather?
Weather is the state of the Earth's atmosphere at a particular time and place.
What is the atmosphere?
The atmosphere is the layer of gases that surrounds the Earth.
Which layer of the atmosphere is most important for weather?
The troposphere is the layer closest to the Earth's surface where almost all weather phenomena take place.
How does the thickness of the troposphere vary?
The troposphere is less thick at the poles and thicker in the tropical zone.
What are some common words used to describe weather?
Common words include hot, cold, rainy, cloudy, humid, snowy, and windy.
Related resources
Important topics
Topics covered
NCERT Class 7 Social Science — Exploring Society India and Beyond Part-I — Chapter 2 — Understanding the Weather. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.