CBSE Class 10th Science PDF Notes
NCERT Class 10th Science PDF Notes: These notes are designed to make Class 10 Science easy to understand and quick to revise. Each chapter includes an overview, important topics, definitions, key equations, short and long answer questions, MCQs with answers, revision points and exam tips, all based on the latest NCERT textbook.
In this article, Class 10th Science PDF Notes for all 13 chapters of the NCERT Science textbook (Reprint 2026-27) are provided. The chapters are arranged unit-wise, as in the CBSE syllabus: Chemical Substances, World of Living, Natural Phenomena, Effects of Current and Natural Resources.
Every chapter page also has a free Class 10th Science PDF you can save on your phone with one click, so you can revise anywhere before your board exams.
The first unit covers chemistry. There are 4 chapters on chemical reactions, acids, bases and salts, metals and non-metals, and carbon compounds. Open any chapter below for complete notes, important questions and MCQs.
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CBSE class 10th Science Notes - Unit I: Chemical Substances – Nature and Behaviour
The second unit covers biology. There are 4 chapters on life processes, control and coordination, reproduction and heredity. Open any chapter below for complete notes, important questions and MCQs.
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CBSE class 10th Science Notes - Unit II: World of Living
The third unit covers light. There are 2 chapters on reflection and refraction, and on the human eye and the colourful world. Open any chapter below for complete notes, important questions and MCQs.
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CBSE class 10th Science Notes - Unit III: Natural Phenomena
The fourth unit covers electricity and magnetism. There are 2 chapters on electricity and the magnetic effects of electric current. Open any chapter below for complete notes, important questions and MCQs.
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CBSE class 10th Science Notes - Unit IV: Effects of Current
The fifth unit covers the environment. There is 1 chapter, Our Environment. Open any chapter below for complete notes, important questions and MCQs.
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CBSE class 10th Science Notes - Unit V: Natural Resources
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CBSE Class 10 Science Notes – Frequently Asked Questions (FAQs)
CBSE Class 10 Science Notes are chapter-wise study notes based on the NCERT Science textbook. They include an overview, important topics, definitions, key equations, short and long answer questions, MCQs, revision points and exam tips for every chapter.
The NCERT Class 10 Science textbook (Reprint 2026-27) has 13 chapters, grouped into five units: Chemical Substances (Ch 1-4), World of Living (Ch 5-8), Natural Phenomena (Ch 9-10), Effects of Current (Ch 11-12) and Natural Resources (Ch 13).
Yes. Every chapter was checked against the NCERT Class 10 Science Reprint 2026-27. Topics removed during rationalisation, such as evolution in the Heredity chapter and the electric motor and generator in Chapter 12, are not taught as part of the current syllabus.
Yes. Each chapter page has a free "Save Free Notes PDF" link. No signup is needed.
Read the chapter overview and important topics first, then practise the short and long answer questions and MCQs. Revise the quick revision points and key equations before tests, and use the exam tips to focus on frequently asked question types.