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By Karan Singh Bisht
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Updated on 4 Aug 2026, 17:12 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 2026-27. 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 2026-27. 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 2026-27 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
Yes, provided the notes match the Class 9 Science textbook and syllabus prescribed for the current academic session. Students should still use the textbook for complete explanations, activities and exercise questions.
The textbook provides complete explanations, activities, examples and exercises. Notes condense selected ideas for faster revision. Students should learn from the textbook first and use notes for recall and review.
The content may vary by chapter. Some notes may include definitions, diagrams, formulas, examples or key points. The page should mention these features only where they are actually available.
No. The notes can help students revise foundational NCERT concepts, but Olympiad preparation generally requires additional application-based and higher-order questions.
Students should check the academic session, textbook edition and last-reviewed date shown on each page. The notes should be reviewed whenever CBSE or NCERT introduces major syllabus or textbook changes.
No. Notes are best used for revision after students have studied the chapter from the textbook. Activities, explanations and exercises in the textbook remain important for complete understanding.