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: Chemical Reactions and Equations
Chapter 2: Acids, Bases and Salts
Chapter 3: Metals and Non-metals
Chapter 4: Carbon and Its Compounds
Chapter 5: Periodic Classification of Elements
Chapter 6: Life Processes
Chapter 7: Control and Coordination
Chapter 8: How Do Organisms Reproduce?
Chapter 9: Heredity and Evolution
Chapter 10: Light Reflection and Refraction
Chapter 11: The Human Eye and Colourful World
Chapter 12: Electricity
Chapter 13: Magnetic Effects of Electric Current
Chapter 14: Sources of Energy
Chapter 15: Our Environment
Chapter 16: Management of Natural Resources

Frequently asked questions

How many chapters are there in Science?

The Science syllabus has 16 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.