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CBSE Class 10 Science syllabus 2026-27
The CBSE Class 10 Science syllabus for 2026-27 has 6 units and 16 chapters. The units are Chemical Substances: Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, Natural Resources and Formative assessment only. This outline follows the official Central Board of Secondary Education document read on 2 October 2026. A few items still need confirming, so check them with your school. Rate how clear each chapter feels and the planner suggests what to revise first.
Academic session 2026-27 / Needs verification / 2026-10-02
The official PDF has conflicting assessment wording for heredity/evolution and electric effects. This map preserves its topics. Confirm the year-end scope with your school and the latest board clarification.
Chemical Substances: Nature and Behaviour
Chemical Reactions and Equations
Balancing equations; reaction types; oxidation and reduction
Acids, Bases and Salts
Indicators, ions, neutralisation, pH and common salts
Metals and Non-metals
Properties, reactivity, ionic compounds, metallurgy and corrosion
Carbon and its Compounds
Covalent bonding, hydrocarbons, homologous series and functional groups, Reactions; ethanol, ethanoic acid, soaps and detergents
World of Living
Life Processes
Nutrition, respiration, transport and excretion in plants and animals
Control and Co-ordination
Plant movements/hormones; nervous system, reflexes and animal hormones
Reproduction
Asexual and sexual reproduction; introductory reproductive health
Heredity
Mendel laws and introductory sex determination; confirm assessment scope with school
Natural Phenomena
Light: Reflection and Refraction
Spherical mirrors, lenses, formulae, magnification and power
Human Eye and the Colourful World
Vision defects, correction, prisms, dispersion and scattering, Colour of the sun at sunrise/sunset is excluded
Effects of Current
Electricity
Current, voltage, Ohm law, resistance and resistivity, Series/parallel circuits, heating and power
Magnetic Effects of Current
Fields, solenoids, force, Fleming rule, AC/DC and household circuits
Natural Resources
Our Environment
Ecosystems, ozone depletion, wastes and biodegradability
Formative assessment only
Periodic Classification of Elements
Earlier classifications and modern periodic table; formative only
Evolution
Traits, speciation, fossils and human evolution; formative only
Motor, Electromagnetic Induction and Electric Generator
These topics are explicitly labelled formative only
The full guide on one page
The main facts from the tool above, written out so you can read them in one go.
What is in the CBSE Class 10 Science syllabus for 2026-27?
| Unit | Marks | Chapters |
|---|---|---|
| Chemical Substances: Nature and Behaviour | 25 | Chemical Reactions and Equations; Acids, Bases and Salts; Metals and Non-metals; Carbon and its Compounds |
| World of Living | 25 | Life Processes; Control and Co-ordination; Reproduction; Heredity |
| Natural Phenomena | 12 | Light: Reflection and Refraction; Human Eye and the Colourful World |
| Effects of Current | 13 | Electricity; Magnetic Effects of Current |
| Natural Resources | 5 | Our Environment |
| Formative assessment only | Not listed | Periodic Classification of Elements; Evolution; Motor, Electromagnetic Induction and Electric Generator |
Needs verification. Last checked .
Where is the official CBSE Class 10 Science syllabus?
- Curriculum for the Academic Year 2026-27, Central Board of Secondary Education, Academic Unit, accessed
- CBSE Class 10 Science curriculum 2026-27, Central Board of Secondary Education, accessed
Official sample and previous-year papers for this subject are in the Official papers step of the planner above.
Prepared by the Disha Stars team from the sources listed here. Check the latest official notice before you apply.