CBSE Class 10 Science Syllabus 2023 PDF with Important Resources for Last Minute Revision

CBSE Class 10 Science Syllabus 2022-23: CBSE Class 10 Science Syllabus for the Board Exam 2023 is available here.  Students can download the PDF from the link that is attached towards the end of the article.  Also, check important resources for last minute revision of Science syllabus.

Check latest CBSE Class 10 Science Syllabus for 2022-23 and download PDF
Check latest CBSE Class 10 Science Syllabus for 2022-23 and download PDF

CBSE Class 10 Science Syllabus 2022-23: The CBSE Class 10th Science Paper is scheduled to be held on 4th March, 2023. This is one of the most important papers of class 10. Therefore, to score well in this exam, students must have the right strategy for preparation. The CBSE Class 10 Science Syllabus 2023 can be of great help to understand which chapters or topics to be focused more on according to their weightage.  We have provided below the CBSE syllabus of Class 10 Science. This is the reduced syllabus based on which the CBSE Board Exam 2023 will be conducted. Read and download the CBSE Class 10 Science Syllabus in PDF here.


CBSE Class 10 Science Topper Answer Sheet and Best Exam Writing Tips
CBSE Class 10 Science Deleted Syllabus for Board Exam 2023: Check Names of Deleted Chapters & Topics
CBSE Class 10 Science Important Questions Answers for Board Exam 2023 (Chapter-Wise)
CBSE Class 10 Science Sample Paper, Marking Scheme for Board Exam 2023 (PDF)

CBSE Class 10 Science Course Structure (Annual Examination)

Theory Marks - 80

Unit No.




Chemical Substances-Nature and Behaviour



World of Living



Natural Phenomena



Effects of Current



Natural Resources






Internal assessment



Grand Total



Also Check: CBSE Class 10 Syllabus for Academic Session 2022-23 (All Subjects)

Theme: Materials

Unit 1: Chemical Substances - Nature and Behaviour

Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation and reduction.

Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH ions, General properties, examples and uses, neutralization, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Theme: The World of the Living

Unit 2: World of Living

Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.

Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.

Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health - need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s health.

Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded - evolution; evolution and classification and evolution should not be equated with progress).

Theme: Natural Phenomena

Unit 3: Natural Phenomena

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required),magnification.

Refraction; Laws of refraction, refractive index. Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens.

Human eye: Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.

Refraction of light through a prism, dispersion of light, scattering of light, applications in dailylife (excluding colour of the sun at sunrise and sunset).

Theme: How Things Work

Unit 4: Effects of Current

Electricity: Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.

Magnetic effects of current: Magnetic field, field lines, field due to a current carryingconductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources

Unit 5: Natural Resources

Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.


Practical should be conducted alongside the concepts taught in theory classes. This will enable you to grasp the concepts better.

Download CBSE Class 10 Science Practical Syllabus 2022-23 (Complete List of Experiments)


The list of books prescribed by the Board -

  • 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


NCERT Book for Class 10th Science 2022-2023 (PDF)

NCERT Solutions for Class 10 Science - Updated for 2022-2023

NCERT Exemplar Solutions for Class 10 Science 2022-2023

Typology of Questions:

VSA including objective type questions, Assertion – Reasoning type questions; SA; LA; Source-based/ Case-based/ Passage-based/ Integrated assessment questions.  

An internal choice of approximately 33% would be provided.

Internal Assessment (20 Marks)  

(i) Periodic Assessment - 05 marks + 05 marks

(ii) Subject Enrichment (Practical Work) - 05 marks

(iii) Portfolio - 05 marks

Download CBSE Class 10 Science syllabus in PDF from the following link:

Download CBSE Class 10 Science Syllabus 2022-2023 PDF

Also check related syllabus:

CBSE Class 10 Maths Syllabus      

CBSE Class 10 English (Language & Literature) Syllabus

CBSE Class 10 Hindi (Course A) Syllabus

CBSE Class 10 Hindi (Course B) Syllabus

If you are a candidate appearing for CBSE Class 10 Science board examinations then also check CBSE Class 10 Science Sample Question Papers 2022-23 of all subjects and download pdf.

You can access all the sample papers for CBSE Class 10 subjects from the link attached below:

CBSE Class 10 Sample Question Paper 2023

Also check your preparedness for the examinations with these practise papers curated by subject experts to help you score more.

CBSE Class 10 Practice Papers: All Subjects

Best of luck to all the candidates.

Important Links for CBSE Class 10 English Exam


What are the chapters in the CBSE Class 10 Science Syllabus?

There are five units in CBSE class 10 Science syllabus wherein each unit has some chapters. There a total of thirteen chapters in teh curriculum for 2022-23 since some topics have been deleted. You can check the revised syllabus and the list of deleted topics in this article. The PDF can also be downloaded.

Where to find the latest and updated CBSE class 10 Science Syllabus for 2022-23?

The whole of the latest and updated CBSE Class 10 Science syllabus is available in the public domain. Students can view the complete content of the latest syllabus, along with the list of topics that have been removed, in this article by Jagran Josh.

Can I appear for Science (practical and theory) improvement exam in CBSE Class 10 boards?

You can only appear for Science theory improvement exams and your previous practical marks will be carried forward and accounted for. Therefore if you are planning to apply for improvement exam in CBSE Class 10 Science, you should be well aware of this criteria by CBSE.

I have to appear for compartment in CBSE Class 10 Science exam. Will I get admission in 11th?

Yes. You are allowed to take provisional admission in class 11 if you are appearing for compartment exam. Such candidates are admitted provisionally to class 11 till they take their first chance Compartmental Examination. However, if they fail in the compartmental exam then their admission to class 11th will be treated as cancelled.
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