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By Karan Singh Bisht
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Updated on 6 Oct 2025, 16:46 IST
Self-made notes are high-leverage for exam prep. They condense each chapter for rapid revision, clarify tough ideas, and help you cover the full syllabus with confidence.
Class 9 Science Notes simplify tough ideas. They convert heavy concepts into clear, point-wise takeaways from the NCERT text so students grasp and retain the essentials fast. Use them for quick, high-yield revision before exams.
Download the FREE Class 9 Science Notes PDF, aligned to the latest CBSE syllabus 2025-26. Get a concise, updated guide to study smarter and prepare confidently for your exams.
| S. No | Links for Chapter-wise Class 9th Science Notes |
| 1 | Chapter 1 – Matter in Our Surroundings Notes |
| 2 | Chapter 2 – Is Matter Around Us Pure? Notes |
| 3 | Chapter 3 – Atoms and Molecules Notes |
| 4 | Chapter 4 – Structure of the Atom Notes |
| 5 | Chapter 5 – The Fundamental Unit of Life Notes |
| 6 | Chapter 6 – Tissues Notes |
| 7 | Chapter 7 – Motion Notes |
| 8 | Chapter 8 – Force and Laws of Motion Notes |
| 9 | Chapter 9 – Gravitation Notes |
| 10 | Chapter 10 – Work and Energy Notes |
| 11 | Chapter 11 – Sound Notes |
| 12 | Chapter 12 – Improvement in Food Resources Notes |
CBSE has issued the subject-wise revised Class 9 syllabus for 2025–26. Students entering Class 9 this session should review the new syllabus to know the topics and subjects they’ll study this year.
| Unit No. | Unit | Marks |
| I | Matter — Its Nature and Behaviour | 25 |
| II | Organization in the Living World | 22 |
| III | Motion, Force and Work | 27 |
| IV | Food; Food Production | 6 |
| Total (Theory) | 80 | |
| Internal Assessment | 20 | |
| Grand Total | 100 | |
Class 9 Science builds the base for higher studies. Strong conceptual clarity drives CBSE exam performance.
| S. No | Related Study Materials Links for Class 9 |
| 1. | CBSE Class 9 NCERT Solutions |
| 2. | CBSE Class 9 Important Questions |
| 3. | RD Sharma Class 9 Solutions |


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Download Class 9 Science notes as FREE PDFs from Infinity Learn Online Learning Platform. Prioritize NCERT-aligned versions and the latest 2025–26 syllabus.
Open Infinity Learn search “Class 9 Science Notes”, use the chapter index (Ch 1 to Ch 12) and tap the chapter to download.
All NCERT units on Infinity Learn: Matter, Atomic Structure, Cell, Tissues, Motion, Force & Laws, Gravitation, Work & Energy, Sound, and Improvement in Food Resources.
CBSE Class 9 Science Notes are a high-value prep resource. They streamline study and sharpen exam readiness.
Why use Infinity Learn’s notes