Science — Syllabus & Chapters

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

What you will study (chapters)

Chapter 1: Crop Production and Management
Chapter 2: Microorganisms: Friend and Foe
Chapter 3: Synthetic Fibres and Plastics
Chapter 4: Materials: Metals and Non-Metals
Chapter 5: Coal and Petroleum
Chapter 6: Combustion and Flame
Chapter 7: Conservation of Plants and Animals
Chapter 8: Cell Structure and Functions
Chapter 9: Reproduction in Animals
Chapter 10: Reaching the Age of Adolescence
Chapter 11: Force and Pressure
Chapter 12: Friction
Chapter 13: Sound
Chapter 14: Chemical Effects of Electric Current
Chapter 15: Some Natural Phenomena
Chapter 16: Light
Chapter 17: Stars and the Solar System
Chapter 18: Pollution of Air and Water

Frequently asked questions

How many chapters are there in Science?

The Science syllabus has 18 chapters, listed in full above. Cover the high-weightage chapters first using the exam pattern as a guide.

How do I know which Science 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 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 CBSE portal rather than relying on an older copy or a social-media list.

How can I prepare for Science 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 — practise past-paper questions and get instant feedback — or a focused Science study guide that condenses the syllabus into the topics that matter most — both are free to start.