CBSE Class 10 Science Syllabus 2025-26 Out– Chapter-Wise Topics & Marking Scheme

CBSE Class 10 Science Syllabus 2025-26 Links

Students can use the below table links to learn in detail about Class 10 Science 2025-26:

• CBSE Class 10 Biology Syllabus 2025-26
• CBSE Class 10 Chemistry Syllabus 2025-26
• CBSE Class 10 Physics Syllabus 2025-26

CBSE Class 10 Science Question Paper Analysis 2025-26

Students can find the CBSE 10th Science exam analysis by clicking on the link provided. The student's opinion, teachers opinion on the Science exam can be read by clicking on the above link.

CBSE Class 10 Science Syllabus 2025-26- Topics and Marking Scheme

The CBSE Science theory paper will consist of 80 marks, while 20 marks will be reserved for the internal assessment/practicals. Chemical Substances-Nature and Behaviour and World of Living carry the weightage of 25 marks each and 50 marks in total. So, students must strengthen these units of the CBSE 10th syllabus 2025-26.

In the following tables, we have mentioned units and chapter names that are incorporated in the CBSE Class 10 2025-26 Science syllabus along with the unit-wise marking scheme.

CBSE 10th Science Unit-wise Syllabus with Marking Scheme

Units and Chapters included in CBSE Class 10 Syllabus for Science 2025-26

Also, check another subject syllabus:

• CBSE Class 10 Maths Syllabus 2025-26
• CBSE Class 10 Hindi Syllabus 2025-26
• CBSE Class 10 English Syllabus 2025-26

CBSE Class 10 Science Syllabus for Practical Exam 2025-26

In the following pointers, we have listed the unit-wise practical exam syllabus of Science Class 10 for CBSE board students. Check out the CBSE 10th Science syllabus for practicals below:

CBSE Class 10 Science Practical Exam Syllabus - List of Experiments

1. A) Finding the pH of the following samples by using pH paper/universal indicator:

• Dilute Hydrochloric Acid
• Dilute NaOH solution
• Dilute Ethanoic Acid solution
• Lemon juice
• Water
• Dilute Hydrogen Carbonate solution (Unit I)

B) Studying the properties of acids and bases (HCl & NaOH) based on their reaction with:

• Litmus solution (Blue/Red)
• Zinc metal
• Solid sodium carbonate (Unit I)

2. Performing and observing the following reactions and classifying them into:

1. Combination reaction
2. Decomposition reaction
3. Displacement reaction
4. Double displacement reaction
   1. (i) Action of water on quicklime
   2. (ii) Action of heat on ferrous sulphate crystals
   3. (iii) Iron nails kept in copper sulphate solution
   4. (iv) Reaction between sodium sulphate and barium chloride solutions (Unit I)

3) Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:

(i) ZnSO4(aq)

(ii) FeSO4(aq)

(iii) CuSO4(aq)

(iv) Al2 (SO4)3(aq)

Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result. (Unit I)

4) Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determining its resistance. Also plotting a graph between V and I. (Unit IV)

5) Determination of the equivalent resistance of two resistors when connected in series and parallel. (Unit IV)

6) Preparing a temporary mount of a leaf peel to show stomata. (Unit II)

7) Experimentally show that carbon dioxide is given out during respiration. (Unit II)

8) Study of the following properties of acetic acid (ethanoic acid):

• Odour
• Solubility in water
• Effect on litmus
• Reaction with Sodium Hydrogen Carbonate (Unit I)

9) Study of the comparative cleaning capacity of a sample of soap in soft and hard water. (Unit I)

10) Determination of the focal length of Concave mirror and Convex lens by obtaining the image of a distant object. (Unit III)

11) Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, and angle of emergence and interpret the result. (Unit III)

12) Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides (Unit II)

13) Tracing the path of the rays of light through a glass prism (Unit III)

14) Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean). (Unit II)

How to Download CBSE Class 10 Science Syllabus 2025-26?

Students can download the syllabus of Science Class 10 CBSE online. Refer to the pointers given below to download the pdf file of CBSE 10th Science syllabus 2025-26.

• Open the official website of CBSE - cbseacademic.nic.in.
• Click on the option ‘Curriculum’, then click on ‘Curriculum 2025-26’ on the homepage as shown below:
• Now click the ‘Secondary Curriculum’ option.
• Click on the ‘Main Subjects’ option and then click on ‘Science’.
• CBSE Class 10 Science syllabus pdf will be displayed on the screen. Download the same on your device and take a printout of it for quicker access.

CBSE Class 10 Science Question Paper Design 2025-26

The Central Board of Secondary Education has also put out the CBSE 10th Science question paper design 2025-26. This will help students know the weightage of science class 10 chapter-wise and the marks distribution of science class 10 chapter-wise. Students can refer to the image given below to know the details of the same.

CBSE Science Class 10 Exam Paper Design

CBSE Class 10 Science Syllabus 2025-26 - Preparation Tips

• Go through the topics in the CBSE Science syllabus of the 10th class carefully and jot down the topics you wish to cover each week/monthly.
• Track your progress made and take necessary help from subject teachers as and when required.
• Students should also check the latest Class 10 NCERT Solution Science for all the chapters. These are quite helpful for exam preparation. Students can refer to these whenever any doubt crops up.
• Aim to complete the CBSE 10th 2025-26 Science syllabus at least 2 months before the exam commencement.
• Solve the latest CBSE 10th Science sample papers 2025-26 after the completion of the syllabus.
• Students should also solve the last 10 years' question papers of CBSE class 10 science to become aware of the exam pattern over the years and important questions.

Also, Check - CBSE 10th Science Last 5 Years Question Papers

CBSE Class 10 Science Prescribed Books

Refer to the following pointers given below to know the names of CBSE-prescribed books for class 10 Science. Students should refer to these NCERT books for class 10 science to prepare themselves for the CBSE 10th Science examination.

• 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