Chapter 2 of 5
Syllabus
What is around Us? — Syllabus
Gujarat Board · Class 8 · Social Science
What What is around Us? covers in Gujarat Board Class 8 Social Science: 4 topics, for the 2026-27 session. Topics include Origin of Earth and the Four.
44 questions5 concepts
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4 Topics · Gujarat Board Class 8 Social Science · 2026-27
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
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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 Origin of Earth and the Four Spheres, Lithosphere, Hydrosphere, Atmosphere. Study these first, then practise questions on each for Class 8 exams.
How should I revise What is around Us? for Class 8 exams?
Learn the core ideas first, then work through the 44 practice questions on What is around Us?. Revise definitions regularly and use flashcards for quick recall before the exam.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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