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: Physical Quantities and Measurement
Chapter 2: Motion
Chapter 3: Energy
Chapter 4: Light Energy
Chapter 5: Heat
Chapter 6: Sound
Chapter 7: Electricity and Magnetism
Chapter 8: Matter and Its Composition
Chapter 9: Physical and Chemical Changes
Chapter 10: Elements, Compounds and Mixtures
Chapter 11: Atomic Structure
Chapter 12: Language of Chemistry
Chapter 13: Metals and Non-Metals
Chapter 14: Air and Atmosphere
Chapter 15: Plant and Animal Tissues
Chapter 16: Classification of Plants
Chapter 17: Classification of Animals
Chapter 18: Photosynthesis and Respiration
Chapter 19: Life Processes: Ingestion, Digestion, Absorption and Assimilation
Chapter 20: Excretion in Humans
Chapter 21: Nervous System and Allergy

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.