CBSE Class 10 Science Syllabus 2025-26

CBSE Class 10 Science Syllabus 2025-26 has been officially released by the Central Board of Secondary Education (CBSE) on its website. This page on NCERTBooks.net provides the latest and complete Class 10 Science syllabus exactly as prescribed by CBSE for the current academic year. The syllabus focuses on hands-on experiments, real-world applications and concept-based learning needed for CBSE board exam preparation.

CBSE Class 10 Science Syllabus 2025-26

The updated Cbse Class 10 Science Syllabus 2025-26 helps students understand the chapter-wise distribution of marks, exam pattern and learning outcomes in advance. By checking the official CBSE Science syllabus before starting the course, students can plan their studies in the right order, focus on high-weightage units and complete systematic revision. Some of the important topics covered in the Class 10 Science syllabus are:

• Chemical Reactions and Equations
• Life Processes
• Electricity
• Magnetic Effects of Current
• Light and Human Eye
• Natural Resources and Environment
• Experimental skills and practical-based questions

CBSE Class 10 Science Syllabus 2025-26

Class 10 Science includes chemical reactions, acids, bases and salts, metals and non-metals, carbon compounds, life processes, control and coordination, reproduction, heredity, light, human eye, electricity, magnetic effects of current, natural resources and environment. The syllabus encourages students to observe, experiment and explain natural phenomena scientifically, which is very useful for CBSE board exams and future exams like NEET exam and other competitive examinations.

Students should regularly refer to the NCERT textbooks and Ncert Solutions For Class 10 Science along with this syllabus. Using the official NCERT syllabus as a guide ensures that every topic prescribed by CBSE is covered on time. It also helps in planning revision of high-weightage chapters like Chemical Reactions, Life Processes, Electricity and Our Environment in a structured way.

Unit-wise CBSE Class 10 Science Syllabus 2025-26

The table below gives the unit-wise Class 10 Science syllabus with major themes and sections. Use it to quickly see which topics belong to each unit and to connect them with your NCERT textbook chapters and classroom notes.

After going through this table, prepare a simple concept map for each unit. For example, under Chemical Substances – Nature and Behaviour, list topics like types of chemical reactions, balancing equations and real-life applications. For World of Living, connect concepts such as nutrition, respiration, transportation and excretion under Life Processes. This approach ensures that the entire Cbse Class 10 Science syllabus 2025-26 is revised in an integrated and meaningful way.

CBSE Class 10 Science Syllabus: Course Structure 2025-26 With Marking Scheme

The next table shows the Class 10 Science marks distribution for each unit as per the latest CBSE guidelines. This is very important for CBSE board exam preparation because it tells you which units carry more weight in the final exam.

From this table, you can clearly see that Chemical Substances – Nature and Behaviour and World of Living together carry 50 out of 80 theory marks. So, these units must be revised multiple times using NCERT examples, intext questions and Cbse Sample Papers. Chapters related to Natural Phenomena, Effects of Current and Natural Resources should be revised using important diagrams, derivations and previous year question papers to strengthen your exam preparation.

CBSE Class 10 Science Question Paper Design (Theory)

CBSE has also specified a clear question paper design for Class 10 Science. The table below shows how different competencies are assessed in the exam. Understanding this pattern helps you balance conceptual learning, application-based questions and higher-order thinking skill (HOTS) questions while practising.

While solving questions from NCERT textbooks, Ncert Exemplar questions and CBSE question papers, try to identify which competency each question is targeting. For example, direct definition or fact-based questions check your knowledge and understanding, numericals on Electricity and Magnetic Effects of Current test application of concepts, and case-based questions on Our Environment often assess your ability to analyse and evaluate. This approach will automatically improve your performance in CBSE board exams.

Internal Assessment (20 Marks)

Internal assessment plays a key role in the Cbse Class 10 Science exam pattern. It includes periodic tests, subject enrichment activities and portfolio work. Together, these components add up to 20 marks, which are added to the 80 marks theory paper.

• Periodic Assessment – 5 marks + 5 marks
• Subject Enrichment (Practical Work) – 05 marks
• Portfolio – 05 marks

Students should maintain a neat and complete Science notebook, perform all experiments given in the NCERT textbook and actively participate in practical work. These efforts directly help in scoring full marks in internal assessment and also strengthen conceptual clarity, which is essential for board examinations and future classes like NCERT textbooks for class 11 and class 12.

Class 10 CBSE Science Syllabus for Practicals

Practical work is an important part of the Science Old Ncert Books as well as the latest NCERT textbooks. The table below lists some of the basic materials and chemicals required for laboratory activities in Class 10 Science.

• ZnSO₄(aq)
• FeSO₄(aq)
• CuSO₄(aq)
• Al₂(SO₄)₃(aq)

During practical sessions, always follow the safety rules given by your teacher and in the NCERT laboratory manual. Perform each experiment step by step, note observations carefully and write clear conclusions. This habit not only helps in scoring good marks in the lab practical exam but also prepares a strong base for higher secondary classes and competitive examinations where experimental understanding is important.

By now, students must have understood the major components of the Cbse Class 10 Science Syllabus 2025-26. To get the detailed Maths syllabus, they can refer to the Cbse Class 10 Maths Syllabus page on NCERTBooks.net. Learning Science and Maths together using NCERT textbooks, NCERT solutions and previous year question papers will help students score good marks in the Cbse Class 10 board exams.

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Frequently Asked Questions on CBSE Syllabus for Class 10 Science 2025-26