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By Ankit Gupta
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Updated on 10 Jul 2025, 12:42 IST
Science is one of the most important subjects in Class 10. It covers Physics, Chemistry, and Biology, helping students understand the world around them. Whether it's the working of an electric bulb, the food we eat, or how our body functions — everything is connected to Science. That’s why having clear and simple notes is very useful during the preparation for exams.
The CBSE Class 10 Science Notes 2025-26 are specially designed to make learning easier and revision faster. These notes include all the key concepts from each chapter in a short and simple way. Whether you're revising the laws of reflection, types of chemical reactions, or life processes in living organisms, these notes help you focus on the most important parts. They are prepared as per the latest CBSE syllabus and follow the NCERT textbook.
The Class 10 Science Notes are useful for both regular study and last-minute revision before exams. They include definitions, formulas, diagrams, and short explanations that are easy to understand and remember. You can also get Science Notes Class 10 PDF Download, which means you can revise anytime—even without an internet connection.
These notes are not only helpful in scoring well in exams but also in building a strong base for future studies in Science. If you are planning to take Science in Class 11 or appear for competitive exams, these notes will support you in the long run. In short, the CBSE Class 10 Science Notes PDF make studying more organised and stress-free. Use them regularly, and you'll see your confidence and performance improve. All the best for your studies!
Students preparing for CBSE exams should focus on the Chapter-wise Class 10 Science Notes. Each chapter targets key concepts that frequently appear in the exam.
Here is the complete table with chapters and their corresponding notes:
| S. No | Chapter Name |
| 1 | Chemical Reactions and Equations Class 10 Notes |
| 2 | Acids, Bases and Salts Class 10 Notes |
| 3 | Metals and Non-metals Class 10 Notes |
| 4 | Carbon and Its Compounds Class 10 Notes |
| 5 | Life Processes Class 10 Notes |
| 6 | Control and Coordination Class 10 Notes |
| 7 | How Do Organisms Reproduce Class 10 Notes |
| 8 | Heredity and Evolution Class 10 Notes |
| 9 | Light - Reflection and Refraction Class 10 Notes |
| 10 | The Human Eye and the Colourful World Class 10 Notes |
| 11 | Electricity Class 10 Notes |
| 12 | Magnetic Effects of Electric Current Class 10 Notes |
| 13 | Our Environment Class 10 Notes |
Each chapter's CBSE Class 10 Science Notes PDF is tailored to focus on important definitions, processes, diagrams, and formulae.
Do Check: CBSE Class 10 Notes
This chapter explains what happens when substances react with each other. You'll learn about:
This chapter helps you understand:
Here, you’ll learn:
This is a basic organic chemistry chapter. It covers:
This chapter teaches how living beings stay alive through processes like:
Key Point: Focus on diagrams like the human digestive system and circulatory system. They are frequently asked in exams.
This chapter explains:
Do Check: CBSE Class 10 English Notes
Here you’ll learn:
This chapter talks about:
A Physics-based chapter that covers:
In this chapter, you’ll study:
This important Physics chapter includes:
Here you’ll learn:
This is a Biology-based, environment-related chapter:
Use the PDFs for Class 10 Science Notes for each chapter to quickly revise before the board exam.
CBSE Class 10 Science Notes are not just summaries; they are structured tools that simplify learning and aid exam preparation. These notes cover:
They also save time by offering compact insights, making them ideal for Revision Notes Class 10 Science.
Do Check: CBSE Class 10 Maths Notes
Here are the top advantages of using CBSE Class 10 Science Revision Notes PDFs:
| Benefit | Description |
| Quick Revision | Ideal for last-minute preparation |
| Chapter-wise Structure | Easy navigation and focused learning |
| Portable PDFs | Study on the go with Science Notes Class 10 PDF Download |
| Exam-Friendly | Designed based on CBSE Class 10 syllabus and past year patterns |
| Boosts Confidence | Helps reinforce concepts and reduces exam anxiety |
Understanding chapter-wise weightage is crucial to prioritise topics. Here's the breakdown:
| Unit No. | Unit Name | Marks |
| I | Chemical Substances - Nature and Behaviour | 25 |
| II | World of Living | 25 |
| III | Natural Phenomena | 12 |
| IV | Effects of Current | 13 |
| V | Natural Resources | 5 |
| — | Total Theory | 80 |
| — | Internal Assessment | 20 |
| — | Grand Total | 100 |
When you Science Notes Class 10 PDF Download, you receive:
| Feature | Description |
| Easy Access | Study offline or on devices without needing internet |
| Concise | All major points in a compact format |
| Time-Saving | Ideal for quick revision and recap |
| Organised | Maintains CBSE chapter order |
| Student-Friendly | Clear formatting, diagrams, bullet points, and highlighted keywords |
| CBSE Class 10 Syllabus Subject Wise 2025-26 | |
| CBSE Class 10 English Syllabus | CBSE Class 10 Maths Syllabus |
| CBSE Class 10 Science Syllabus | CBSE Class 10 Social Science Syllabus |
| CBSE Class 10 Hindi Syllabus | |
The CBSE Class 10 Science Notes 2025-26 are more than just summaries—they are tools to enhance retention, boost exam performance, and reduce last-minute stress. With Chapter-wise Class 10 Science Notes FREE PDF Download, you have all the resources needed to succeed.
Regularly revise from your CBSE Class 10 Science Revision Notes, keep solving questions, and stay focused. Let these Science Notes Class 10 PDF Download guides be your companion throughout the academic year.
CBSE Class 10 Science Notes are simplified and well-organised summaries of each chapter from the Science textbook. They include key concepts, definitions, formulas, diagrams, and important points in easy-to-understand language. These notes help students revise faster and prepare better for the Class 10 board exams.
Yes, Class 10 Science revision notes are very useful during exam time. They help students revise important topics quickly, understand complex concepts easily, and focus on what matters most. These notes are especially helpful for last-minute preparations.
Absolutely! You can get Science Notes Class 10 PDF Download chapter-wise. These CBSE Class 10 Science Notes PDF files can be saved on your phone, tablet, or computer, allowing you to revise even when you're offline.
Yes, the CBSE Notes Class 10 Science are prepared according to the latest 2025-26 CBSE syllabus. All topics are updated as per the current NCERT textbook and exam pattern.
Yes, the notes cover all three sections—Physics, Chemistry, and Biology—included in the CBSE Class 10 Science syllabus. Each chapter is explained in a simple and concise manner to help students understand every subject area clearly.
Definitely. These notes are made using simple language and clear examples, making them perfect for students who find Science difficult. They focus only on important topics, helping students build confidence and improve their understanding step by step.
To get the best results, revise these CBSE Class 10 Science Notes PDF regularly. Use them after reading your NCERT textbook to strengthen your understanding. Also, practice diagrams, solve past papers, and test yourself using these notes for smart exam preparation.
