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: Matter
Chapter 2: Physical Quantities and Measurement
Chapter 3: Force and Pressure
Chapter 4: Energy
Chapter 5: Light Energy
Chapter 6: Heat Transfer
Chapter 7: Sound
Chapter 8: Electricity
Chapter 9: Matter
Chapter 10: Physical and Chemical Changes
Chapter 11: Elements, Compounds and Mixtures
Chapter 12: Atomic Structure
Chapter 13: Language of Chemistry
Chapter 14: Chemical Reactions
Chapter 15: Hydrogen
Chapter 16: Water
Chapter 17: Carbon and its Compounds
Chapter 18: Transport of Food and Minerals in Plants
Chapter 19: Reproduction in Plants and Animals
Chapter 20: Ecosystems
Chapter 21: Human Body: Endocrine, Circulatory and Nervous Systems
Chapter 22: Health and Hygiene
Chapter 23: Food Production

Frequently asked questions

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

The Science (Physics, Chemistry, Biology) syllabus has 23 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.