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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 Class 9 Science textbook Exploration is Entering the World of Secondary Science. It introduces the scientific method itself — how scientists observe, measure, model, and explain the natural world — before the book moves into biology, chemistry, physics, and earth science in later chapters. These...
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Chapter 2: Cell: The Building Block of Life – Free PDF Download
Chapter 2 of Class 9 Science Exploration is Cell: The Building Block of Life — the opening chapter of the biology strand. It introduces the cell as the basic structural and functional unit of all living organisms, the two broad categories of cells, and the organelles that keep a cell alive. These Class 9 Science Cha...
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Chapter 3: Tissues in Action – Free PDF Download
Chapter 3 of Class 9 Science Exploration is Tissues in Action. Building on the cell chapter, it looks at how similar cells group together into tissues, covering both plant tissues and the four animal tissue types, before connecting this to the musculoskeletal system. These Class 9 Science Chapter 3 solutions are als...
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Chapter 4: Describing Motion Around Us – Free PDF Download
Chapter 4 of Class 9 Science Exploration is Describing Motion Around Us, the first physics chapter of the book. It builds up the mathematical language used to describe how objects move — distance, displacement, speed, velocity, acceleration, and graphs of motion — along with uniform circular motion. These Class 9 Sc...
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Chapter 5: Exploring Mixtures and their Separation – Free PDF Download
Chapter 5 of Class 9 Science Exploration is Exploring Mixtures and their Separation, the first chemistry chapter of the book. It covers how substances combine into mixtures, the different kinds of mixtures, and the practical techniques used to separate them. These Class 9 Science Chapter 5 solutions are also useful ...
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Chapter 6: How Forces Affect Motion – Free PDF Download
Chapter 6 of Class 9 Science Exploration is How Forces Affect Motion. It builds on the previous motion chapter by asking what actually causes motion to start, stop, or change — covering balanced and unbalanced forces, friction, and Newton's three laws of motion. These Class 9 Science Chapter 6 solutions are also use...
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Chapter 7: Work, Energy and Simple Machines – Free PDF Download
Chapter 7 of Class 9 Science Exploration is Work, Energy and Simple Machines. It formalises the everyday idea of "work" into a precise physics quantity, connects it to energy and power, and shows how simple machines make work easier without violating energy conservation. These Class 9 Science Chapter 7 solutions are...
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Chapter 8: Journey Inside the Atom – Free PDF Download
Chapter 8 of Class 9 Science Exploration is Journey Inside the Atom. It traces how scientists gradually discovered what atoms are actually made of, from Thomson's model to Rutherford's and finally Bohr's model, and covers how electrons are arranged and how atoms are identified and compared. These Class 9 Science Cha...
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Chapter 9: Atomic Foundations of Matter – Free PDF Download
Chapter 9 of Class 9 Science Exploration is Atomic Foundations of Matter. It covers the fundamental laws that govern how elements combine to form compounds, Dalton's atomic theory built on those laws, and how atoms bond and are represented as chemical formulae. These Class 9 Science Chapter 9 solutions are also usef...
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Chapter 10: Sound Waves: Characteristics and Applications – Free PDF Download
Chapter 10 of Class 9 Science Exploration is Sound Waves: Characteristics and Applications. It explains how sound is produced and travels, the properties used to describe sound waves, and real-world phenomena like echoes and echolocation. These Class 9 Science Chapter 10 solutions are also useful as quick revision n...
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Chapter 11: Reproduction: How Life Continues – Free PDF Download
Chapter 11 of Class 9 Science Exploration is Reproduction: How Life Continues. It covers how plants and humans reproduce, from pollination in flowers to the human reproductive systems, pregnancy, and reproductive health. These Class 9 Science Chapter 11 solutions are also useful as quick revision notes before exams....
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Chapter 12: Patterns in Life: Diversity and Classification – Free PDF Download
Chapter 12 of Class 9 Science Exploration is Patterns in Life: Diversity and Classification. It explains why living organisms are classified into groups, the five-kingdom system used to organise all life, the major divisions within plants and animals, naming conventions, and organisms that blur the line between livi...
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Chapter 13: Earth as a System: Energy, Matter and Life – Free PDF Download
Chapter 13 of Class 9 Science Exploration is Earth as a System: Energy, Matter and Life — a new addition under the NCF-2023 framework. It presents Earth as an interconnected system of five spheres, driven by solar energy, and cycled through biogeochemical processes that sustain life. These Class 9 Science Chapter 13...
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.