Class 8 Notes

Ace Your Class 8 Studies with JNG Academy!

Welcome to JNG Academy’s Class 8 Notes section, where we provide comprehensive, easy-to-understand, and exam-focused study materials to help you score better. Our notes cover concepts, NCERT solutions, questions from previous years (PYQs), important formulas, and quizzes to ensure complete preparation.

Subjects Covered:

✅ Mathematics – Chapter-wise explanations, formulas, and solved exercises.
✅ Science – Physics, Chemistry, and Biology notes with diagrams and key concepts.
✅ Social Science – History, Geography, Civics, and Economics detailed notes.

Why Choose JNG Academy?

✔️ Concise and Exam-Oriented Notes
✔️ NCERT & CBSE Board Solutions
✔️ Previous Year Questions & Sample Papers
✔️ Quizzes & Practice Exercises for Self-Assessment

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Click on your subject below to explore detailed chapter-wise notes and boost your preparation.

👉 Class 8 Mathematics Notes

1. Rational Numbers
2. Linear Equations in One Variable
3. Understanding Quadrilaterals
4. Practical Geometry
5. Data Handling
6. Squares and Square Roots
7. Cubes and Cube Roots
8. Comparing Quantities
9. Algebraic Expressions and Identities
10. Visualising Solid Shapes
11. Mensuration
12. Exponents and Powers
13. Direct and Inverse Proportions
14. Factorisation
15. Introduction to Graphs
16. Playing with Numbers

👉 Class 8 Science Notes

Physics

1. Force and Pressure
2. Friction
3. Sound
4. Chemical Effects of Electric Current
5. Some Natural Phenomena

Chemistry

1. Coal and Petroleum
2. Combustion and Flame
3. Synthetic Fibres and Plastics
4. Materials: Metals and Non-Metals

Biology

1. Crop Production and Management
2. Microorganisms: Friend and Foe
3. Conservation of Plants and Animals
4. Cell – Structure and Functions
5. Reproduction in Animals
6. Reaching the Age of Adolescence
7. Pollution of Air and Water

👉 Class 8 Social Science Notes

History (Our Pasts – III)

1. How, When, and Where
2. From Trade to Territory
3. Ruling the Countryside
4. Tribals, Dikus, and the Vision of a Golden Age
5. When People Rebel
6. Colonialism and the City
7. Weavers, Iron Smelters, and Factory Owners
8. Civilising the “Native”, Educating the Nation
9. Women, Caste, and Reform
10. The Changing World of Visual Arts
11. The Making of the National Movement
12. India After Independence

Geography (Resources and Development)

1. Resources
2. Land, Soil, Water, Natural Vegetation, and Wildlife Resources
3. Mineral and Power Resources
4. Agriculture
5. Industries
6. Human Resources

Civics (Social and Political Life – III)

1. The Indian Constitution
2. Understanding Secularism
3. Why Do We Need a Parliament?
4. Understanding Laws
5. Judiciary
6. Understanding Our Criminal Justice System
7. Understanding Marginalisation
8. Confronting Marginalisation
9. Public Facilities
10. Law and Social Justice

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