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: Nutrition in Plants
Chapter 2: Nutrition in Animals
Chapter 3: Fibre to Fabric
Chapter 4: Heat
Chapter 5: Acids, Bases, and Salts
Chapter 6: Physical and Chemical Changes
Chapter 7: Weather Climate and Adaptation of Animals to Climate
Chapter 8: Winds, Storms, and Cyclones
Chapter 9: Soil
Chapter 10: Respiration in Organisms
Chapter 11: Transportation in Animals and Plants
Chapter 12: Reproduction in Plants
Chapter 13: Motion and Time
Chapter 14: Electric Current and Its Effects
Chapter 15: Light
Chapter 16: Water: A Precious Resource
Chapter 17: Forest: Our Lifeline
Chapter 18: Waste Water Story

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.