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Free, original, step-by-step NCERT Solutions for Class 9 Science- English Medium, matching the current 2026-27 CBSE syllabus.
Each chapter below is solved question by question, in the order it appears in the textbook, so you can follow along page by page instead of jumping between sites. Click a chapter's Solutions link for the full worked answers, Extra Questions for additional practice beyond the textbook, and Revision Notes for a quick summary before a test.
📚 Formulas Handbook (all chapters)
Chapter 1: Entering the World of Secondary Science – Free PDF Download
Chapter 1 of the new NCERT "Exploration" textbook is a short orientation chapter that introduces students to how science is studied at the secondary stage — through models, scientific language, standard units, predictions and estimation — rather than teaching a specific science topic. It has no formal numbered end-o...
Solutions | Extra Questions | Revision Notes
Chapter 2: Cell: The Building Block of Life – Free PDF Download
Chapter 2 of the new NCERT "Exploration" textbook for Class 9 Science takes students from the microscopic world of a single cell to the processes that keep every living organism alive — cell theory, cell organelles, prokaryotic versus eukaryotic cells, osmosis, and cell division. The chapter's formal end-of-chapter ...
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Chapter 3: Tissues in Action – Free PDF Download
Chapter 3 of the Class 9 Science "Exploration" textbook (NCERT, 2026–27 session), Tissues in Action, moves from the cell-level study of the previous chapter to how groups of similar cells organise themselves into tissues to divide labour efficiently in plants and animals. It covers meristematic and permanent plant t...
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Chapter 4: Describing Motion Around Us – Free PDF Download
Chapter 4, "Describing Motion Around Us," is the first physics chapter of the Class 9 Science "Exploration" (2026-27) NCERT textbook, and it builds the entire foundation of kinematics — reference points, distance and displacement, speed and velocity, acceleration, motion graphs, the three equations of motion, and un...
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Chapter 5: Exploring Mixtures and their Separation – Free PDF Download
Chapter 5 of the new NCERT Exploration textbook for Class 9 Science, Exploring Mixtures and their Separation, teaches students how to classify mixtures as solutions, suspensions and colloids, how to express concentration using the % m/m, % m/v and % v/v formulas, and how to pick the right separation technique — crys...
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Chapter 6: How Forces Affect Motion – Free PDF Download
Chapter 6 of the new NCERT "Exploration" textbook (Class 9 Science, session 2026-27), How Forces Affect Motion, replaces the older "Force and Laws of Motion" chapter and builds directly on the ideas of position, velocity and acceleration covered earlier. It explains how balanced and unbalanced forces, friction, iner...
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Chapter 7: Work, Energy and Simple Machines – Free PDF Download
Chapter 7 of the new NCERT "Exploration" textbook for Class 9 Science, "Work, Energy and Simple Machines," builds on the ideas of force and motion from Chapters 4 and 6 to introduce work, kinetic and potential energy, the work-energy theorem, conservation of mechanical energy, power, and simple machines (pulleys, in...
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Chapter 8: Journey Inside the Atom – Free PDF Download
Chapter 8, "Journey Inside the Atom," takes Class 9 Science students from Dalton's indivisible atom all the way to Bohr's model of fixed energy levels, covering electrons, protons, neutrons, atomic number, mass number, isotopes, isobars, valency, and electronic configuration. These solutions were prepared by working...
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Chapter 9: Atomic Foundations of Matter – Free PDF Download
Class 9 Science Chapter 9, "Atomic Foundations of Matter," from the new NCERT "Exploration" textbook (2026-27 session) builds on the atomic structure basics from Chapter 8 and explains how atoms combine to form molecules and ionic compounds through covalent and ionic bonding, along with the mole concept, chemical fo...
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Chapter 10: Sound Waves: Characteristics and Applications – Free PDF Download
Class 9 Science Chapter 10, "Sound Waves: Characteristics and Applications," is part of the new NCERT "Exploration" textbook (2026-27 session) and covers how sound is produced by vibrating objects, how it travels as a longitudinal mechanical wave through compressions and rarefactions, its characteristics (wavelength...
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Chapter 11: Reproduction: How Life Continues – Free PDF Download
Chapter 11, "Reproduction: How Life Continues," is the core life-science chapter of the Class 9 Science "Exploration" (2026-27) textbook, covering asexual reproduction in simple organisms, vegetative propagation, flower structure, pollination, fertilisation, seed and fruit formation, and the basics of human reproduc...
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Chapter 12: Patterns in Life: Diversity and Classification – Free PDF Download
Chapter 12 of the new NCERT "Exploration" Class 9 Science textbook (2026-27 edition), "Patterns in Life: Diversity and Classification," introduces students to the immense variety of life on Earth and the scientific framework used to organise it, from Whittaker's Five Kingdom system to binomial nomenclature and fossi...
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Chapter 13: Earth as a System: Energy, Matter and Life – Free PDF Download
Chapter 13, "Earth as a System: Energy, Matter and Life," is the final chapter of the new NCERT "Exploration" 2026-27 edition of Class 9 Science, and it pulls together physics, chemistry and biology to explain how the Earth functions as one connected system of energy flow and matter recycling. These solutions were c...
Solutions | Extra Questions | Revision Notes
| Chapter | NCERT Solutions | Revision Notes | Extra Questions (HOTS) |
|---|---|---|---|
| Ch 1: Entering the World of Secondary Science – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 2: Cell: The Building Block of Life – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 3: Tissues in Action – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 4: Describing Motion Around Us – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 5: Exploring Mixtures and their Separation – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 6: How Forces Affect Motion – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 7: Work, Energy and Simple Machines – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 8: Journey Inside the Atom – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 9: Atomic Foundations of Matter – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 10: Sound Waves: Characteristics and Applications – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 11: Reproduction: How Life Continues – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 12: Patterns in Life: Diversity and Classification – Free PDF Download | Solutions | Revision Notes | Extra Questions |
| Ch 13: Earth as a System: Energy, Matter and Life – Free PDF Download | Solutions | Revision Notes | Extra Questions |
Also see the Class 9 NCERT Books catalog for the official textbook PDF.
Frequently Asked Questions
Are these Class 9 Science- English Medium solutions updated for the 2026-27 syllabus?
Yes, every chapter listed above is checked against the current NCERT Science textbook for the 2026-27 CBSE session.
Do you also have Extra Questions and Revision Notes for Class 9 Science- English Medium?
Yes — wherever published, Extra Questions and/or Revision Notes are linked next to the matching chapter above.
Are these Class 9 Science NCERT Solutions available in Hindi medium?
Yes -- see our separate Class 9 Science Hindi Medium Solutions page.