🌍 Class 7 Geography – COMPLETE REVISION GUIDE
Mind Maps • Mnemonics • Exam Strategy

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📘 Chapter 1 – Environment

Mind Map

Environment
│
├── Natural (land, water, air, plants, animals)
├── Human-made (roads, buildings, bridges)
└── Human (people, culture, activities)

Mnemonic

NHH → Natural – Human-made – Human

Key Points

• Environment means surroundings
• Humans modify environment to meet needs

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📘 Chapter 2 – Inside Our Earth

Mind Map

Earth Layers
│
├── Crust (outer thin layer)
├── Mantle (middle layer)
└── Core (hot, heavy metals)

Mnemonic

CMC → Crust – Mantle – Core

Key Points

• Crust is the outermost layer
• Core contains iron and nickel

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📘 Chapter 3 – Our Changing Earth

Mind Map

Earth Changes
│
├── Endogenic (earthquakes, volcanoes)
└── Exogenic (erosion, deposition)

Mnemonic

EN–EX → Endo (inside) – Exo (outside)

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📘 Chapter 4 – Air

Mind Map

Air
│
├── Composition (N, O, CO₂)
├── Layers
│   ├ Troposphere
│   ├ Stratosphere
│   ├ Mesosphere
│   ├ Thermosphere
│   └ Exosphere
└── Importance

Mnemonic (Layers)

T S M T E

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📘 Chapter 5 – Water

Mind Map

Water
│
├── Water Cycle
│   ├ Evaporation
│   ├ Condensation
│   └ Precipitation
└── Importance

Mnemonic

E C P

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📘 Chapter 6 – Natural Vegetation & Wildlife

Mind Map

Vegetation
│
├── Forests
├── Grasslands
└── Shrubs

Mnemonic

FGS

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📘 Chapter 7 – Human Environment

Mind Map

Human Environment
│
├── Settlement (rural / urban)
├── Transport (land, water, air)
└── Communication

Mnemonic

S T C

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📘 Chapter 8 – Tropical & Subtropical Regions

Mind Map

Regions
│
├── Tropical (Amazon)
│   └ hot & wet
└── Subtropical (Ganga Basin)
    └ moderate climate

Mnemonic

Amazon = Hot | Ganga = Moderate

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📘 Chapter 9 – Temperate Grasslands

Mind Map

Grasslands
│
├── Prairies → Wheat
└── Velds → Sheep

Mnemonic

PW – VS

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📘 Chapter 10 – Life in the Deserts

Mind Map

Deserts
│
├── Sahara → Camel, Cactus
└── Ladakh → Yak, Barley

Mnemonic

SC – YL

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📝 EXAM WRITING STRATEGY

• Start with definition
• Write answers in points
• Underline keywords
• Use examples (Amazon, Sahara, Prairies)
• Draw tables for differences

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⏱️ ONE-DAY REVISION PLAN

Time	Chapters
Morning	1–4
Afternoon	5–7
Evening	8–10
Night	Only mnemonics

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Prepared by Shaktimatha Learning 🌟
NCERT Based • Exam Ready • Student Friendly