CBSE Class 10 Science Syllabus 2025-26
Welcome to the central hub for the CBSE Class 10 Science syllabus for the academic year 2025-26. Whether you’re a student eager to explore the roadmap for your studies or a parent keen on understanding what your child will be learning, you’ve come to the right place. This page is thoughtfully organized to provide you with clear and comprehensive insights into the course structure. You’ll find three meticulously arranged tables that outline the syllabus content, ensuring you have a clear understanding of the topics to be covered throughout the year. Each table is designed to guide you through different segments of the curriculum, making it easier to plan and prioritize study efforts. We hope this structured overview assists you in navigating the academic journey ahead with confidence and clarity.
CBSE Class 10 Science Syllabus Structure
CBSE Class 10 Science Units and Topics
The CBSE Class 10 Science syllabus focuses on foundational concepts in chemistry, biology, physics, and environmental science that are critical for understanding advanced topics in later studies. Prioritize mastering chemical reactions, the principles of light and electricity, and the basics of life processes and ecosystems. – Chemical Substances – Nature and Behaviour: – Chemical Reactions – Acids, Bases, and Salts – Metals and Non-metals – Carbon Compounds – World of Living: – Life Processes – Control and Co-ordination in Animals and Plants – Reproduction – Heredity and Evolution – Natural Phenomena: – Reflection of Light by Curved Surfaces – Refraction – Refraction of Light by Spherical Lens – Refraction of Light Through a Prism – Effects of Current: – Electric Current, Potential Difference, and Electric Current – Magnetic Effects of Current – Natural Resources: – Our Environment
| Units | Unit Names | Sections |
|---|---|---|
| I | Chemical Substances – Nature and Behaviour | Chemical ReactionsAcids, Bases and SaltsMetals and Non-metalsCarbon Compounds |
| II | World of Living | Life ProcessesControl and Co-ordination in Animals and PlantsReproductionHeredity and Evolution |
| III | Natural Phenomena | Reflection of Light by Curved SurfacesRefractionRefraction of Light by Spherical LensRefraction of Light Through a Prism |
| IV | Effects of Current | Electric Current, Potential Difference and Electric CurrentMagnetic Effects of Current |
| V | Natural Resources | Our Environment |
Class 10 Science Marks Distribution
Focus primarily on “Chemical Substances – Nature and Behaviour” and “World of Living,” as they make up the majority of your marks for Class 10 Science. Prioritize understanding and revising these areas thoroughly to maximize scoring potential. Key Topics: – Chemical Substances: Chemical reactions, acids, bases, and salts, metals and non-metals, carbon and its compounds, periodic classification of elements. – World of Living: Life processes, control and coordination in animals and plants, reproduction, heredity, and evolution. – Natural Phenomena: Light – reflection and refraction, the human eye, and the colorful world. – Effects of Current: Electricity and its effects, magnetic effects of electric current. – Natural Resources: Conservation of natural resources, management of natural resources.
| Units | Topics | 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 | 05 |
| Total | 80 | |
| Internal Assessment | 20 | |
| Grand Total | 100 |
Science Syllabus Details
Focus on mastering knowledge and understanding, as they account for 46% of the syllabus, while honing skills in analysis, evaluation, and creation, which contribute to 32%. Applying concepts practically is also crucial, forming 22% of the curriculum. Key Topics: – Chemical Reactions and Equations – Acids, Bases, and Salts – Electricity and its Effects – Life Processes in Organisms – Natural Resources and their Management
| Competencies | Total |
|---|---|
| Demonstrate Knowledge and Understanding | 46% |
| Application of Knowledge/Concepts | 22% |
| Analyze, Evaluate and Create | 32% |
| Total | 100% |
❓ Frequently Asked Questions
Q1. What Is The marks distribution for the CBSE Class 10 Science exam?
The CBSE Class 10 Science exam is marked out of 100. The theory paper is 80 marks, while internal assessment contributes 20 marks. The theory paper includes Physics, Chemistry, and Biology, each with a balanced marks distribution, ensuring comprehensive coverage of all topics.
Q2. Which chapters are the most important for scoring well in the Science exam?
Key chapters include ‘Chemical Reactions and Equations’, ‘Electricity’, ‘Life Processes’, and ‘Acids, Bases and Salts’. These chapters often carry more weightage and cover fundamental concepts essential for understanding and scoring well in the exam.
Q3. What Is the exam pattern for the CBSE Class 10 Science exam?
The exam consists of multiple-choice questions, short answer questions, and long answer questions. It tests both theoretical knowledge and practical application. Students should practice previous years’ papers and sample papers to familiarize themselves with the pattern.
Q4. How can students effectively prepare for the Science exam?
Students should focus on understanding concepts rather than rote learning. Regular practice of numerical problems, revision of important diagrams, and solving sample papers will enhance preparation. Organizing study schedules and focusing on weaker areas can also greatly improve performance.
Q5. Are there any changes in the syllabus for the 2025-26 academic year?
For the 2025-26 academic year, the CBSE has not announced significant changes to the Class 10 Science syllabus. However, students are advised to regularly check the official CBSE website for any updates or modifications to ensure they are studying the correct material.
Q6. What resources are recommended for Science exam preparation?
NCERT textbooks should be the primary resource as they cover the entire syllabus. Additionally, reference books like Lakhmir Singh & Manjit Kaur for deeper understanding, along with online resources and video tutorials, can provide further clarity on complex topics.