CBSE Class 10 Science Syllabus 2022-23, Check the updated syllabus, Exam pattern, Eliminated topics, and Assessment details

Safalta expert Published by: Yashaswi More Updated Tue, 16 Aug 2022 01:11 PM IST


Check out the complete CBSE Class 10 Science Term-2 Syllabus 2022-2023 along with important prescribed books here at

The Central Board of Secondary Education (CBSE) has issued the yearly syllabus for classes 9th through 12th for the current academic session, 2022–2023. Candidates can find the CBSE Class 10 Science Syllabus in this blog with complete details. The new curriculum will be taken into account for the 2023 CBSE Board Exam. Before beginning the study of a new chapter, students must read this most recent syllabus because certain topics have been eliminated. They should also prepare the prescribed experiments as these carry internal marks. You can download the whole syllabus from the link below and review it as needed. Do you know the best way to prepare for class 10 Science exams? Before you start your preparation, the first and foremost requirement is to check the NCERT syllabus in detail. The CBSE Class 10 Science syllabus for the academic year 2022–2023 has been issued by the Central Board of Secondary Education (CBSE). The marking scheme is included along with some key points.

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Referring to the CBSE Class 10 syllabus can help students understand the weight assigned to each subject and how to prepare for the examinations. Students must thoroughly practise all the pictures and comprehend all the ideas in order to do well in the CBSE Class 10 Science exams. Yet getting confused? If you face challenges in grasping the concepts of any subject then join Safalta School online to ace your board’s exam preparation.   This blog includes direct download links for the CBSE Class 10 Science syllabus as well as a breakdown of the internal evaluation marks. The list of practicals covered in the CBSE Class 10 Science curriculum for the academic year 2022–2023 is also available. Also, check Class 10 NCERT Solutions for all subjects

General Instructions:

1. The total Theory Examinations (Term I+II) will be of 80 marks and 20 marks weightage shall be for Internal Assessment (Term I+II).

2. Internal Assessment - Maximum Marks 10 for each Term:

a. There will be a Periodic Assessment that would include: •The school will administer three periodic tests throughout the entire course. The average of the top two periodic tests or marks from those tests must be taken into account. 

• A variety of evaluation techniques can be used depending on the dynamics of the class and the curriculum. Short examinations, oral exams, quizzes, concept maps, projects, posters, presentations, inquiry-based scientific research, etc. may all fall under this category.

b. Subject Enrichment in the form of Practical/Laboratory work should be done throughout the year and the student should maintain a record of the same. Practical Assessments should be continuous. All practicals listed in the syllabus must be completed. c. Portfolio to be prepared by the student- This would include class work and another sample of student work.

Also Check- CBSE Class 10 Model Papers for Exam : Download In PDF

FREE Download CBSE Class 10 Science Syllabus 

For the academic year 2022–2023, the CBSE Class 10 Science Syllabus is available for download in PDF format. The Board has reinstituted the traditional end-of-year examination and issued the Class 10 Science Syllabus. By clicking the pdf link below, students may get the CBSE Class 10 Science Syllabus for 2022–23.

Class 10 Science Marking Scheme 

Class 10 Science Syllabus is divided into 5 units and each carries heavy weightage in the question paper. Check the table below:






Chemical Substances – Nature and Behaviour



World of Living



Natural Phenomena



Effects of Current



Natural Resources






Internal Assessment



Grand Total


CBSE Class 10 Science Theory Question Paper Design 

Maximum Marks: 80 Marks

The CBSE 10th Science Syllabus covers the following assessment areas.

Competencies  Total
Demonstrate Knowledge and Understanding 46%
Application of Knowledge/Concepts 22%
Analyze, Evaluate and Create 32%
Total 100%


CBSE Class 10 Syllabus for Science 2022-23: Internal Assessment

The CBSE Class 10 Science internal assessment carries 20 marks. Below we have provided a detailed overview of the CBSE Class 10 Science internal assessment scheme for reference:

Internal Assessment


Periodic Tests




Student Enrichment Activities – Practical Work


Total Marks



Class 10 Science Practical Syllabus 2022-23

Along with theoretical knowledge, it is essential to gain practical knowledge. The following is the syllabus of Class 10 Science Practical.

List of Experiments

The list of experiments is as follows:  

1. A. Finding the pH of the following samples by using pH paper/universal indicator:
(i) Dilute Hydrochloric Acid
(ii) Dilute NaOH solution
(iii) Dilute Ethanoic Acid solution
(iv) Lemon juice
(v) Water
(vi) Dilute Hydrogen Carbonate solution
1.B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
a) Litmus solution (Blue/Red)
b) Zinc metal
c) Solid sodium carbonate Unit–I: (Chapter-2)
2. Performing and observing the following reactions and classifying them into:
A. Combination reaction: Action of water on quicklime
B. Decomposition reaction: Action of heat on ferrous sulphate crystals
C. Displacement reaction: Iron nails kept in copper sulphate solution
D. Double displacement reaction: Reaction between sodium sulphate and barium chloride solutions. Unit-I:(Chapter-1)
3.A. 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)
3.B. Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the
above result. Unit-I : (Chapter-3)
4. Experimentally show that carbon dioxide is given out during respiration.
Unit-II: (Chapter-6)
5. Determination of the focal length of (i) Concave mirror and (ii) Convex lens by obtaining the
image of a distant object. Unit-III: (Chapter- 10)
6. 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: (Chapter-10)
7. Tracing the path of the rays of light through a glass prism. Unit-III: (Chapter-11)


Check>>>Class 10 CBSE Math Preparation Tips: Check These Tips To Ensure Full Marks

Also check>>CBSE Term-2 Class 10 Social Science Syllabus 2022


What is the weightage for internal assessment ?

Internal Assessment - Maximum Marks 10 for each Term:

Prescribed books for class 10 science ?

• 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

Will there be internal choice ?

Yes .

Unit 1 consists of how many marks ?

10 Marks .

Which is the toughest chapter in Class 10 Science?

Heredity and Evolution is the most difficult chapter, but it also carries the most weight. Although this chapter may make you nervous, maintain calm and try to solve the problems using Mendelian genetics.

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