Chapter 4 of 10
Concept Maps
Weathering and Soil Formation — Concept Maps
ICSE · Class 7 · Geography
4 concept maps of Weathering and Soil Formation for ICSE Class 7 Geography, each also written out as a text outline.
45 questions35 flashcards5 concepts
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4 Concept Maps
Weathering and Soil Formation - Complete Overview
The map in words
- Weathering and Soil Formation
- Weathering Types
- Mechanical Weathering
- Exfoliation
- Frost Action
- Wind Erosion
- Chemical Weathering
- Oxidation
- Hydration
- Carbonation
- Solution
- Biological Weathering
- Plant Roots
- Animal Burrowing
- Human Activities
- Mechanical Weathering
- Rocks
- Igneous Rocks
- Intrusive Granite
- Extrusive Basalt
- Sedimentary Rocks
- Mechanically Formed
- Organically Formed
- Chemically Formed
- Metamorphic Rocks
- Marble
- Slate
- Gneiss
- Igneous Rocks
- Soil Formation
- Soil Profile
- O-horizon Humus
- A-horizon Topsoil
- B-horizon Subsoil
- C-horizon Weathered Rock
- D-horizon Bedrock
- Soil Forming Factors
- Parent Material
- Climate
- Living Organisms
- Relief
- Time
- Soil Profile
- Soil Conservation
- Afforestation
- Contour Ploughing
- Terraced Farming
- Dams and Barrages
- Shelter Belts
- Weathering Types
Weathering and Soil Formation – Chapter Overview
The map in words
- Weathering and Soil Formation
- Components of Earth
- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
- Types of Rocks
- Igneous
- Intrusive eg Granite
- Extrusive eg Basalt
- Sedimentary
- Mechanically formed eg Sandstone
- Organically formed eg Coal
- Chemically formed eg Gypsum
- Metamorphic
- Limestone to Marble
- Shale to Slate
- Granite to Gneiss
- Igneous
- Soil Formation
- Parent Rock
- Relief
- Climate
- Vegetation
- Time
- Soil Profile
- O Horizon Humus
- A Horizon Topsoil
- B Horizon Subsoil
- C Horizon Weathered Rock
- D Horizon Bedrock
- Weathering
- Mechanical
- Exfoliation
- Frost Action
- Wind Action
- Chemical
- Oxidation
- Hydration
- Carbonation
- Solution
- Biological
- Plant Roots
- Burrowing Animals
- Human Activities
- Mechanical
- Soil Conservation
- Afforestation
- Contour Ploughing
- Terraced Farming
- Crop Rotation
- Shelter Belts
- Components of Earth
Types of Rocks – Overview and Classification
The map in words
- Types of Rocks
- Igneous Rocks
- Meaning
- From Latin ignis meaning fire
- Formed from molten magma
- 85 percent of Earths crust
- Intrusive
- Cooled slowly inside Earth
- Crystalline structure
- Example Granite
- Extrusive
- Cooled rapidly on surface
- Non-crystalline
- Example Basalt
- Meaning
- Sedimentary Rocks
- Meaning
- Formed from sediments in layers
- Also called Stratified Rocks
- May contain fossils
- Mechanically Formed
- Example Sandstone
- Example Shale
- Organically Formed
- Example Coal
- Example Limestone
- Example Coral
- Chemically Formed
- Example Gypsum
- Example Rock Salt
- Meaning
- Metamorphic Rocks
- Meaning
- Change of form
- Heat and pressure change existing rocks
- Examples
- Limestone becomes Marble
- Clay becomes Slate
- Granite becomes Gneiss
- Basalt becomes Schist
- Coal becomes Graphite
- Meaning
- Igneous Rocks
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.
The map in words
- 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 Earth
- Rocks
- Soil formation
- Weathering
- Denudation
- Soil horizons
- Soil conservation
- Effects of weathering
Explore these maps interactively
Explore DiagramsFrequently 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.
What do the concept maps for Weathering and Soil Formation show?
The 4 maps show how the ideas in Weathering and Soil Formation connect: Weathering and Soil Formation - Complete Overview; Weathering and Soil Formation – Chapter Overview. Each map is also written out as an outline on this page.
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.
More resources for Weathering and Soil Formation
Practice Quiz
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Important Questions
Exam-style questions with answers
Revision Notes
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Chapter Summary
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Study Plan
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Flashcards
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Syllabus
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