Overview
The CBSE Science syllabus for classes IX & X (2025-26) is structured around themes such as Food; Materials; The World of Living; How Things Work; Natural Phenomena; Natural Resources. :contentReference[oaicite:2]{index=2}
Units & Marks (Class 10)
| Unit | Unit Name | Marks |
|---|---|---|
| 1 | Chemical Substances — Nature & Behaviour | 25 |
| 2 | World of Living | 25 |
| 3 | Natural Phenomena | 12 |
| 4 | Effects of Current | 13 |
| 5 | Natural Resources | 05 |
| Total | 80 | |
| Internal Assessment | 20 | |
Chapter / Unit-wise Topics
- Unit 1: Chemical Reactions & Equations; Acids, Bases & Salts; Metals & Non-metals; Carbon Compounds; Periodic Classification
- Unit 2: Life Processes; Control & Coordination; How Organisms Reproduce; Heredity & Evolution
- Unit 3: Reflection & Refraction of Light; Human Eye; Natural Phenomena in Nature
- Unit 4: Electricity; Magnetic Effects of Current; Electromagnetism
- Unit 5: Natural Resources — Air, Water, Food, Sustainable Management
Official CBSE Syllabus (embedded)
You can view or download the official CBSE Science syllabus for classes IX–X below.
Study Tips
- Focus on core concepts and understand with diagrams & experiments.
- Maintain revision notes for each unit (definitions, formulas, etc.).
- Solve NCERT exemplar & end exercises thoroughly.
- Relate environmental & resources topics to real-life examples.
