Science (Physics, Chemistry, Biology) — Syllabus & Chapters

The complete syllabus for Science (Physics, Chemistry, Biology) — every chapter you need to study, and how the exam paper is structured.

What you will study (chapters)

Chapter 1: Scientific Inquiry
Chapter 2: Measurement and Units
Chapter 3: Lab Safety and Tools
Chapter 4: Data Handling and Graphs
Chapter 5: Motion and Rest
Chapter 6: Force and Pressure
Chapter 7: Work, Energy, and Power
Chapter 8: Simple Machines
Chapter 9: Heat and Temperature
Chapter 10: Light and Reflection
Chapter 11: Sound and Vibrations
Chapter 12: Electricity and Circuits
Chapter 13: States of Matter
Chapter 14: Mixtures and Solutions
Chapter 15: Separation of Substances
Chapter 16: Elements and Compounds
Chapter 17: Chemical Changes
Chapter 18: Cells and Organization of Life
Chapter 19: Plants and Life Processes
Chapter 20: Human Body and Nutrition
Chapter 21: Health, Hygiene, and Environment

Frequently asked questions

How many chapters are there in Science (Physics, Chemistry, Biology)?

The Science (Physics, Chemistry, Biology) syllabus has 21 chapters, listed in full above. Cover the high-weightage chapters first using the exam pattern as a guide.

How do I know which Science (Physics, Chemistry, Biology) chapters carry the most marks?

Compare the chapter list above with the exam pattern and the last few years of question papers — the topics that appear most often and the units with the highest marks are where to focus first. Always confirm weightage against the official syllabus for your exam year.

Has the Science (Physics, Chemistry, Biology) syllabus changed this year?

Boards occasionally revise the syllabus or remove topics for a session. Always download the official syllabus for your exact exam year from the official ICSE & ISC portal rather than relying on an older copy or a social-media list.

How can I prepare for Science (Physics, Chemistry, Biology) faster?

Begin with the most-frequently-asked topics and the last few years of question papers, then test yourself under timed conditions. If you want guided help, you can use the free AI study tutor for Science (Physics, Chemistry, Biology) — practise past-paper questions and get instant feedback — or a focused Science (Physics, Chemistry, Biology) study guide that condenses the syllabus into the topics that matter most — both are free to start.