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Syllabus

Weathering and Soil Formation — Syllabus

ICSE · Class 7 · Geography

What Weathering and Soil Formation covers in ICSE Class 7 Geography: 4 topics, for the 2026-27 session. Part of the ICSE Class 7 Geography syllabus.

45 questions35 flashcards5 concepts

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A diagram illustrating various techniques for soil conservation: contour ploughing, terrace cultivation, strip cropping, and shelter belts.
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4 Topics · ICSE Class 7 Geography · 2026-27

Topics in Weathering and Soil Formation

1

1. Earth, Rocks, and Minerals

  • The Earth has three main components: lithosphere, hydrosphere, and atmosphere.
  • The biosphere is the zone where land, water, and air meet and interact. It contains all forms of life.
  • Rocks make up most of the solid materials of the lithosphere.
2

2. Types of Rocks

  • Rocks are classified into three types by formation: igneous, sedimentary, and metamorphic.
  • Igneous rocks form when molten magma solidifies either inside or on the surface of the Earth.
  • Igneous rocks make up 85 per cent of the Earth's crust.
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3. Weathering and Denudation

  • Weathering is the breaking down or dissolving of rocks and minerals on the surface of the Earth by physical and chemical processes.
  • Weathering is a static process because it happens where rocks exist.
  • Weathering is important because it leads to the formation of soil.
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4. Types and Factors of Weathering

  • Weathering has three types: mechanical, chemical, and biological.
  • Mechanical weathering is the physical disintegration of rocks by heat, frost, and wind.
  • Mechanical weathering does not change the composition of rocks.

Key Concepts

Central concept: Weathering and soil formation shape the Earth's surface and create fertile soil through the breaking down of rocks, the movement of material, and the development of soil layers.

Components of the EarthRocksSoil formationWeatheringDenudationSoil horizonsSoil conservationEffects of weathering

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Frequently Asked Questions

What are the important topics in Weathering and Soil Formation for ICSE Class 7 Geography?
Key topics in Weathering and Soil Formation include Earth, Rocks, and Minerals, Types of Rocks, Weathering and Denudation, Types and Factors of Weathering. Study these first, then practise questions on each for Class 7 exams.
How should I revise Weathering and Soil Formation for Class 7 exams?
Learn the core ideas first, then work through the 45 practice questions on Weathering and Soil Formation. Revise 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.

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