CBSE 10th Science Syllabus: Science is not just a subject—it's a gateway to understanding the world around us. The CBSE Class 10 Science Syllabus for 2025–26 is carefully designed to help students build a strong foundation in scientific concepts through a balanced mix of theory and practical learning. Aligned with board exam requirements, it encourages logical thinking, problem-solving, and real-life application of knowledge. With a focus on experiential learning, this syllabus makes science engaging and easier to understand for Class 10 students preparing for the CBSE board exams.
CBSE Class 10 Science Syllabus: Unit-wise Weightage
| Unit No. | Title | 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 |
Also Check CBSE Class 10 Syllabus 2025-26 (All Subjects)
Highlights of the Class 10 Science 2025-26 Syllabus
Theme-Based Approach: Divided into key themes like Materials, The World of Living, Natural Phenomena, and more for structured conceptual understanding.
Balanced Curriculum:
- 50% focus on conceptual knowledge
- 30% on application
- 20% on analytical and creative thinking
Inclusion of Practical Work:
- 14 well-defined experiments aligned with theory
- Emphasis on observational skills, interpretation, and scientific reasoning
Key Learning Areas
- Chemistry: Acids, bases, salts, metals & non-metals, carbon compounds, and types of chemical reactions.
- Biology: Life processes, reproduction, control and coordination, heredity, and evolution.
- Physics: Light reflection/refraction, electricity, magnetic effects of current, and optics.
- Environmental Science: Ecosystems, pollution, natural resources, and sustainable practices.
To check the detailed list of chapter-wise topics to be covered and prepared for the CBSE Class 10 Science Exam 2025-2026, view and download the syllabus below:
CBSE Class 10 Science Syllabus 2025-2026
Practical Syllabus for CBSE Class 10 Science
Since practical work is an integral part of Class 10 Science, students must be well-acquainted with the complete list of experiments and their objectives. Below is the link to download the CBSE Class 10 Science Practical Syllabus for the academic session 2025–26:
Download CBSE Class 10 Science Practical Syllabus PDF |
CBSE Class 10 Science Internal Assessment 2025-26
Internal assessment for CBSE Class 10 Science for the year 2025-26 will be conducted based on the following components:
| Components | Marks |
| Periodic Assessment (5+5) | 10 |
| Subject Enrichment (Practical Work) | 05 |
| Portfolio | 05 |
| Total | 20 |
PRESCRIBED BOOKS for CBSE Class 10 Science:
The list of books prescribed by the Board includes:
- Science-Text book for class X- NCERT Publication
- Assessment of Practical Skills in Science- Class X- CBSE Publication
- Laboratory Manual-Science-Class X, NCERT Publication
- Exemplar Problems Class X – NCERT Publication
Download the syllabus PDF below to keep a handy reference for exam preparation, track your progress, and ensure comprehensive coverage of all topics:
CBSE Class 10 Science Syllabus 2025-26 PDF |
The CBSE Class 10 Science Syllabus for 2025–26 is thoughtfully designed to foster a deep understanding of key scientific principles and concepts. With clear unit-wise weightage and a focus on experiential learning, students are equipped not only to excel in their board exams but also to develop skills essential for higher education. Therefore, students must stay updated with the syllabus and follow a structured study plan to maximize their understanding and performance.
