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CBSE Class 10 Science 2023-24: Updated Curriculum

Last updated date: 29th Nov 2023
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MVSAT Dec 2023

CBSE Class 10 Science Syllabus - Free PDF Download

The Central Board of Secondary Education (CBSE) has introduced an updated syllabus for Class 10 Science for the academic year 2023-24. The new syllabus aims to provide students with a comprehensive understanding of scientific concepts and their practical applications. In alignment with CBSE guidelines, the National Council of Educational Research and Training (NCERT) has developed the syllabus, ensuring a standardized and quality education for students across India. This article provides an overview of the NCERT syllabus for Class 10 Science, including a link to download the PDF version.

The NCERT syllabus for Class 10 Science covers various scientific disciplines, including Physics, Chemistry, and Biology. It is designed to promote conceptual understanding, critical thinking, and practical knowledge among students. For students and teachers seeking the official NCERT syllabus for Class 10 Science PDF format, Vedantu provides the syllabus on our website. The PDF version of the syllabus offers convenience and easy accessibility.

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CBSE Class 10 Science Updated Syllabus for 2023-24

Units No




Chemical Substances-Nature and Behaviour



World of Living



Natural Phenomena



Effects of Current



Natural Resources




Internal Assessment


Grand Total 


Theme: Materials


Chapter – 1 : Chemical Reactions and Equations 

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.

Chapter – 2 : Acids, Bases and Salts 

Their definitions in terms of furnishing of H+ and OH- ions, General properties, examples and uses, 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.

Chapter – 3 : Metals and Non – metals 

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

Chapter – 4 : 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


Chapter – 6 : Life Processes 

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

Chapter – 7 : 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.

Chapter – 8 : 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.

Chapter – 9 : 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


Chapter – 10 Light : Reflection and Refraction 

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.

Chapter – 11 : Human Eye and Colourful World 

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


Chapter – 12 : 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.

Chapter – 13 Magnetic Effects of Current 

Magnetic field, field lines, field due to a current carrying conductor, 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 


Chapter – 15 : 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.


The CBSE board, one of India's largest and most prestigious educational boards, prioritises creating a firm foundation for students from the start. Vedantu's CBSE Science syllabus prepares students for exams while allowing parents to successfully assist their children's learning. The NCERT syllabus for class 10 science, which is connected with the CBSE, guarantees that Class 10 children receive a thorough education in a variety of disciplines. Students may develop curiosity, communicate their opinions boldly, and begin a successful academic journey with a well-structured syllabus in place.

FAQs on CBSE Class 10 Science 2023-24: Updated Curriculum

1. What is the syllabus of CBSE Class 10 Science

CBSE has designed the syllabus for Class 10 in accordance with the latest pattern. The syllabus of class 10 science 2023-24 consists of chapters: Chemical reactions, Acids, bases and salts, Metals and nonmetals, Carbon and its Compounds, Periodic Classification of elements, Life processes, How do organisms reproduce?, Heredity and Evolution, Light – Reflection and Refraction, Human eye and colourful world, Electricity, Magnetic effects of current, and Our Environment

2. How to score full marks in Class 10 CBSE exam?

Students are recommended to follow the NCERT books thoroughly as the questions are framed as per the same. Plus, you must also prefer to solve previous years question papers. This way, you will get familiar with the type of question you can expect this year and later. Besides, you can refer to solution materials and revision guides prepared by Vedantu from their website.

3. What is the internal assessment pattern of Class 10 CBSE board exam?

Every school affiliated to the CBSE needs to conduct three unit tests. Out of the three, best marks obtained in two unit tests will be counted, and from the same 10 marks will be sent to the Board. With regards to the practical classes, it must be carried out throughout the academic year and 5 marks will be added to the board result.

4. Does knowing the syllabus from before help the Class 10 student?

Yes, knowing the syllabus from before will help the Class 10 students. By going through the science syllabus from before helps students to understand the pattern for exams and help them to prepare accordingly. The syllabus pattern has changed so knowing it from before helps the students understand what they are going to learn and they can easily work on the chapters according to their timings. It will help students to prepare for exams before time and by going through the study materials, the student will be able to achieve the knowledge that is required and students also get the hint of syllabus, exam pattern, important questions and many more things. 

5. How to prepare for the CBSE Class 10 science 2023-24 Examination?

Students can easily prepare for the 2023-24 examination with the help of the syllabus provided from the Vedantu app or website. Try to solve all provided study materials. As there are proper study materials for science subjects, it will help students to learn the questions and also it helps to practice all the chapters at the same time. Students should go through all the syllabus and try to understand them deeply. Try to learn the whole syllabus and make clarity of every concept and always try to clear all the doubts at a time.

6. Why are the CBSE science syllabus helpful for Class 10 students?

Knowing the syllabus helps in improving problem-solving skills for Class 10 students. As science is an important subject for Class 10 as it helps in deciding which stream to choose, so it is always better for students to know what are the chapters they are going to study. It helps the students to create a strong strategy to understand and solve the paper at the exam. Having study materials allows students to compare their questions so that it makes it easy for students to understand the topic and solve questions fast. It also supports going through the entire science syllabus for 2023-24 and making yourself aware of important chapters. 

7. Where to find CBSE Syllabus for Class 10 Science 2023-24?

Students can easily find the syllabus for science subjects from the Vedantu app or Website. From here students can achieve the most reliable and accurate content and you can easily go through the content and learn as much as you can. Students can have the PDF of the science syllabus and it makes it easy for students to learn all the chapters concepts from the syllabus from before.