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CBSE Class 9 Science: Chapter-wise Notes and PYQs

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CBSE · Class 9 · 2026-27

CBSE Class 9 Science: chapter-wise study guide

All 13 chapters of CBSE Class 9 Science for the 2026-27 session. Each chapter page explains the ideas, gives tricks to remember them, shows where students lose marks, and links to practice.

  • 13 chapters
  • 26 topic pages
Start with the first chapter

Exam note: New NCERT book from 2026-27: Exploration. School annual exam: theory 80 marks (3 hours) plus 20 internal assessment (periodic 5, multiple assessment 5, portfolio 5, practical work 5). Chapter 1 is an introduction to secondary science and is not in any exam unit.

Chapters

  1. Exploration: Entering the World of Secondary Science

    Not in the annual exam

    Introductory chapter; not listed in any unit of the CBSE course structure, so not in the annual theory paper.

World of Living

  1. Cell: The Building Block of Life

  2. Tissues in Action

  3. Reproduction: How Life Continues

  4. Patterns in Life: Diversity and Classification

Motion, Force, Work and Sound

  1. Describing Motion Around Us

  2. How Forces Affect Motion

  3. Work, Energy, and Simple Machines

  4. Sound Waves: Characteristics and Applications

Matter - Its Nature and Behaviour

  1. Exploring Mixtures and their Separation

  2. Journey Inside the Atom

  3. Atomic Foundations of Matter

Earth as a System

  1. Earth as a System: Energy, Matter, and Life

Syllabus source: CBSE Science (086) syllabus, Class IX 2026-27, NCERT Exploration, Science Textbook for Grade 9 (2026)