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What is around Us?

Gujarat Board · Class 8 · Social Science

Complete topic list for What is around Us? in Gujarat Board Class 8 Social Science. Key concepts, sub-topics, and what to focus on for board exams.

44 questions5 concepts

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4 Topics · Gujarat Board Class 8 Social Science

Topics in What is around Us?

1

Origin of Earth and the Four Spheres

  • Earth is a member of the Solar Family (Solar System).
  • It is believed that Earth was formed from a part of the Sun that detached after a collision.
  • At the time of its origin, Earth was a fireball that slowly cooled down.
2

Lithosphere

  • 'Litho' means rock and 'sphere' means layer.
  • Lithosphere covers approximately 29% of Earth's surface — it is the land part.
  • It is approximately 64 km to 100 km thick (thickness varies from place to place).
3

Hydrosphere

  • Hydrosphere is the liquid component of Earth — includes all water bodies.
  • It covers 71% of Earth's surface — more than lithosphere.
  • Includes: oceans, seas, lakes, ponds, rivers, streams, glaciers, and groundwater.
4

Atmosphere

  • Atmosphere is the sphere of air that wraps around the Earth from all sides.
  • It extends approximately up to 1600 km from Earth's surface.
  • Cannot be seen clearly with the naked eye (unlike Lithosphere and Hydrosphere).

Key Concepts

Earth is composed of four majorThe lithosphere is the outermost solidThe hydrosphere comprises all the waterThe atmosphere is the spherical layerThe biosphere is the zone where

Frequently Asked Questions

What are the important topics in What is around Us? for Gujarat Board Class 8 Social Science?
Key topics in What is around Us? include The Four Spheres of Earth — Chapter Overview, The Four Spheres of the Earth – Concept Overview, The Four Spheres of Earth - Hierarchical Overview. These are the concepts Gujarat Board Class 8 examiners draw on most — study them first, then practise related questions.
How to score full marks in What is around Us? — Gujarat Board Class 8 Social Science?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for What is around Us?

All 5 chapters — Gujarat Board Class 8 Social Science Syllabus

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