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CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

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Science Class 10 Syllabus 2026-27 Latest Updates FREE PDF Download

The CBSE Class 10 Science Syllabus 2026-27 helps students understand the complete course structure, key chapters, unit-wise distribution of marks, and exam pattern before starting their board exam preparation. Science includes concepts from Physics, Chemistry, and Biology, making it important for students to follow the latest Class 10 Syllabus and plan their studies effectively.

Table of Content

This page provides the complete science syllabus for Class 10 CBSE 2026-27 with chapter-wise topics, marks distribution, practical details, and prescribed books. Students can use the CBSE Class 10 Science Syllabus PDF to organise revision, track important concepts, and prepare confidently for the board examination.

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CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

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Course Structure for Class 10 Science

Unit No.	Unit	Marks
I	Chemical Substances – Nature and Behaviour	25
II	World of Living	25
III	Natural Phenomena	12
IV	Effects of Current	13
V	Natural Resources	5
	Total	80
	Internal Assessment	20
	Grand Total	100

Science Syllabus Class 10 CBSE 2026-27 (Unit-wise and Theme-wise)

Theme / Unit

Topics / Subtopics

Materials

Unit I: Chemical Substances - Nature and Behaviour

Chemical Reactions and Equations:

- Chemical reactions, chemical equation, balanced chemical equation

- Types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic and exothermic reactions, oxidation and reduction

Acids, Bases and Salts:

- Definitions (H⁺ & OH⁻ ions), indicators, chemical properties, uses, neutralisation

- Concept of pH scale (excluding logarithm), importance of pH, preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda, Plaster of Paris

Metals and Non-metals:

- Properties, reactivity series, ionic compounds, metallurgical processes, corrosion and prevention

Carbon and Its Compounds:

- Covalent bonds, hydrocarbons (saturated/unsaturated), homologous series, nomenclature (alkanes, alkenes, alkynes, functional groups: halogens, alcohol, ketones, aldehydes)

- Chemical properties (combustion, oxidation, addition, substitution), ethanol & ethanoic acid (properties, uses), soaps and detergents

The World of the Living

Unit II: World of Living

Life processes:

- Living Being, basic concept of nutrition, respiration, transport, and excretion in plants and animals

Control and Coordination in Animals and Plants:

- Tropic movements, plant hormones, animal nervous system (voluntary/involuntary/reflex actions), chemical coordination (animal hormones)

Reproduction:

- Reproduction in animals/plants (asexual/sexual), reproductive health, family planning, safe sex vs HIV/AIDS, childbearing and women's health

Heredity and Evolution:

- Heredity, Mendel’s laws, inheritance of traits, sex determination, brief introduction

Natural Phenomena

Unit III: Natural Phenomena

Reflection of light by curved surfaces:

- Spherical mirrors, images, centre of curvature, principal axis/focus/length, mirror formula (no derivation), magnification

Refraction:

- Laws, refractive index, refraction by spherical lens, images by lenses, lens formula (no derivation), magnification, power of lens

- Human eye, defects and corrections, applications of mirrors/lenses

Refraction through a prism, dispersion, scattering, and daily life applications (excluding the colour of the sun at sunrise/sunset)

How Things Work

Unit IV: Effects of Current

Electric current and circuits:

- Electric current, potential difference, Ohm’s law, resistance, resistivity, factors affecting resistance, series/parallel combination of resistors and applications

- Heating effect of electric current, daily life uses, electric power, relation between P, V, I, R

Magnetic effects:

- Magnetic field, field lines, current-carrying conductor/coil/solenoid, force on conductor, Fleming’s Left Hand Rule, DC/AC (frequency, advantages), domestic electric circuits

Natural Resources

Unit V: Natural Resources

Our environment:

- Eco-system, environmental problems, ozone depletion, waste production and solutions, biodegradable/non-biodegradable substances

NCERT Class 10 Science Syllabus for PRACTICALS

Practicals should be conducted alongside the concepts taught in theory classes.

LIST OF EXPERIMENTS

A. Finding the pH of the following samples by using pH paper/universal indicator: (Unit-I)
a) Dilute Hydrochloric Acid
b) Dilute NaOH solution
c) Dilute Ethanoic Acid solution
d) Lemon juice
e) Water
f) Dilute Hydrogen Carbonate solution

B. Studying the properties of acids and bases (HCl & NaOH) based on their reaction with: (Unit-I)
a) Litmus solution (Blue/Red)
b) Zinc metal
c) Solid sodium carbonate
Performing and observing the following reactions and classifying them into: (Unit-I)
a) Combination reaction
b) Decomposition reaction
c) Displacement reaction
d) Double displacement reaction

Action of water on quicklime
Action of heat on ferrous sulphate crystals
Iron nails kept in copper sulphate solution.
Reaction between sodium sulphate and barium chloride solutions

Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions: Unit II)
a) ZnSO₄ (aq)
b) FeSO₄ (aq)
c) CuSO₄ (aq)
d) Al₂(SO₄)₃ (aq)

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

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)
Determination of the equivalent resistance of two resistors when connected in series and parallel. (Unit-IV)
Preparing a temporary mount of a leaf peel to show stomata. (Unit-II)
Experimentally show that carbon dioxide is given out during respiration. (Unit-II)
Study of the following properties of acetic acid (ethanoic acid): (Unit-I)
a) Odour
b) Solubility in water
c) Effect on litmus
d) Reaction with Sodium Hydrogen Carbonate
Study of the comparative cleaning capacity of a sample of soap in soft and hard water. (Unit-I)
Determination of the focal length of: (Unit-III)
a) Concave mirror
b) Convex lens by obtaining the image of a distant object
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, angle of emergence and interpret the result. (Unit-III)
Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides. (Unit-II)
Tracing the path of the rays of light through a glass prism. (Unit-III)
Identification of the different parts of an embryo of a dicot seed (pea, gram or red kidney bean). (Unit-II)

PRESCRIBED BOOKS:

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

Why is Science an Important Subject in the Class 10 Curriculum?

Science in Class 10 helps students understand important concepts from Physics, Chemistry, and Biology through theoretical and practical learning. Following the CBSE Class 10 Science Syllabus 2026-27 helps students understand the chapters, focus on important topics, and prepare systematically for board exams.

The science syllabus class 10 CBSE 2026-27 is designed to develop conceptual understanding, problem-solving skills, and scientific thinking. By studying according to the NCERT syllabus and practising important concepts regularly, students can build a strong foundation and improve their exam preparation.

How Does This Vedantu Page Help You Understand the Science Class 10 Syllabus 2026-27 Clearly?

This page is designed to give students a simple and structured overview of the science class 10 syllabus 2026-27, including chapters, unit-wise topics, and exam pattern details. Instead of searching multiple sources, you can quickly check the full syllabus of class 10 cbse 2026-27 science here and plan your preparation accordingly.

Vedantu also aligns the content with the official CBSE science syllabus for class 10, helping you focus only on relevant chapters and avoid confusion about what to study. With a clear syllabus roadmap, students can organise study schedules, track progress, and revise effectively before exams.

Related Study Materials for Class 10 Science

For complete preparation of Science for CBSE Class 10 board exams, check out the following links for different study materials available at Vedantu.

S.No	Important Study Resources for Class 10 Science
1.	Revision Notes for Class 10 Science
2.	Important Questions for Class 10 Science
3.	Previous Year Question Paper for Class 10 Science
4.	NCERT Books for Class 10 Science
5.	NCERT Exemplar for Class 10 Science
6.	NCERT Solutions for Class 10 Science

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FAQs on CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

1. What is included in the CBSE Class 10 Science syllabus 2026-27?

The CBSE Class 10 Science syllabus 2026-27 includes five major units: Chemical Substances – Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, and Natural Resources. The syllabus covers topics such as Chemical Reactions, Acids, Bases and Salts, Life Processes, Light, Electricity, Magnetic Effects of Current, and Our Environment.

2. How can students prepare effectively using the Class 10 Science syllabus?

Students can prepare effectively by understanding the Class 10 Science syllabus CBSE 2026-27, completing each chapter according to the prescribed order, revising NCERT concepts, practising numerical problems, and solving sample papers regularly.

3. What is the internal assessment pattern for CBSE Class 10 Science?

The CBSE Class 10 Science assessment includes 80 marks for the theory examination and 20 marks for internal assessment. Internal assessment includes practical work, periodic tests, subject enrichment activities, and other school-based assessments as per CBSE guidelines.

4. How to prepare for the CBSE Class 10 science 2026-27 Examination?

Students should first understand the complete syllabus, revise NCERT textbook concepts, practise diagrams and numerical questions, complete practical activities, and solve previous year question papers to improve confidence before the board exam.

5. Where can I download the CBSE Class 10 Science syllabus PDF?

Students can download the CBSE Class 10 Science syllabus PDF from Vedantu and refer to the official CBSE Academic website for the latest curriculum updates. The PDF helps students check chapter-wise topics, marks distribution, and assessment details.

6. Are there any changes in the CBSE Class 10 Science syllabus 2026-27?

The CBSE Class 10 Science syllabus 2026-27 follows the latest curriculum guidelines released by CBSE. Students should refer to the updated syllabus PDF to check the prescribed units, topics, practical work, and assessment pattern.

7. Does CBSE Class 10 Science include practical work?

Yes, practical work is an important part of the CBSE Class 10 Science curriculum. Students perform experiments related to concepts from Chemistry, Physics, and Biology to develop practical understanding and application skills.

8. Where can I find the NCERT syllabus for Class 10 Science PDF?

Students can access the NCERT syllabus for Class 10 Science PDF through reliable educational resources and the official CBSE curriculum documents. It provides details about chapters, topics, practical work, and assessment guidelines for Class 10 Science.

CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

Science Class 10 Syllabus 2026-27 Latest Updates FREE PDF Download

Course Structure for Class 10 Science

Science Syllabus Class 10 CBSE 2026-27 (Unit-wise and Theme-wise)

NCERT Class 10 Science Syllabus for PRACTICALS

LIST OF EXPERIMENTS

PRESCRIBED BOOKS:

Why is Science an Important Subject in the Class 10 Curriculum?

How Does This Vedantu Page Help You Understand the Science Class 10 Syllabus 2026-27 Clearly?

Related Study Materials for Class 10 Science

Vedantu Challenge 100 Science & Mathematics Class 10 Books Set Of 2 | CBSE Chapter-wise PYQ with Solutions | NCERT Based | 2026 Exam Prep Guide | Competency-Based | Objective & Subjective Questions | Practice Book by Shimon Joseph | Score Booster Series

Vedantu Class 10 QR Flashcards & Booklets Combo Of 5 | Quick Revision Cards for Science & Social Studies with 3 QR Booklets for Science Activity Maths & Geography | CBSE 2026 Exam Preparation Guide

Vedantu Tatva Pro Question Bank Book CBSE Class 10 Mathematics Chapterwise - Topicwise Theory and Previous Year Questions | Free CBSE Class 10 Year Long Recorded Course

Vedantu Challenge 100 Science Class 10 Book | CBSE Chapter-wise PYQ with Solutions | NCERT Based | 2026 Exam Prep Guide | Competency-Based | Objective & Subjective Questions | Practice Book by Shimon Joseph | Score Booster Series

Vedantu Challenge 100 Mathematics Class 10 Book | CBSE Chapter-wise PYQ with Solutions | NCERT Based | 2026 Exam Prep Guide | Competency-Based | Objective & Subjective Questions | Practice Book by Shimon Joseph | Score Booster Series

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FAQs on CBSE Class 10 Science Syllabus 2026-27 Updated Curriculum and Course Structure

CBSE Class 10 Syllabus

Previous Year Question Paper for Class 10