CBSE · Class 10 · syllabus 2026-27

Class 10 Science (CBSE): chapter guides

16 chapters of Class 10 Science, each explained: what it covers, key ideas, what the board exam asks and common questions answered. Together the lessons run to about 6 hours of narrated, animated teaching in AI Lessons.

Updated 12 October 2026

Chapter 1Chemical Reactions and EquationsIt covers meaning of a chemical reaction, chemical equation structure, balancing equations, combination and exothermic reactions, decomposition reactions and double displacement and precipitation.2 lessons · 11 min
Chapter 2Acids, Bases and SaltsIt covers indicator evidence, Neutralisation: acid and base form salt and water, hydroxide ions and alkalis, acid and base strength, sources and importance of common salt and bleaching powder.4 lessons · 23 min
Chapter 3Metals and Non-metalsIt covers lustre and hardness, oxide behaviour, dilute-acid reaction evidence, acid-specific exceptions, magnesium chloride formation and occurrence and extraction routes.4 lessons · 25 min
Chapter 4Carbon and its CompoundsIt covers carbon in everyday life, methane and covalent properties, rings and hydrocarbon classes, heteroatoms and functional groups, combustion products and energy and substitution reactions.4 lessons · 27 min
Chapter 5Life ProcessesIt covers life processes, leaf structure and chloroplasts, heterotrophic strategies, complete digestion, respiration investigations and respiratory gas transport.5 lessons · 31 min
Chapter 6Control and CoordinationIt covers receptors and nervous tissue, structure and function of a neuron, central and peripheral nervous systems, protection of nervous tissues, limits of electrical communication and functions of plant hormones.4 lessons · 21 min
Chapter 7How do Organisms Reproduce?It covers multiple fission and yeast budding, budding in Hydra, spore formation, meiosis and gametes, flower anatomy and pollination versus fertilisation.4 lessons · 24 min
Chapter 8HeredityIt covers reproduction and variation, variation in asexual reproduction, the F₂ evidence, dominant and recessive traits, chromosomes and inheritance and human sex chromosomes.3 lessons · 20 min
Chapter 9Light - Reflection and RefractionIt covers visibility and rays, spherical mirror geometry, convex mirror images and uses, refraction observations, absolute index and optical density and lens foci and focal length.4 lessons · 24 min
Chapter 10The Human Eye and the Colourful WorldIt covers normal limits of distinct vision, cataract and refractive-defect overview, myopia and image position, hypermetropia and the receding near point, correction of hypermetropia and rainbow formation.4 lessons · 21 min
Chapter 11ElectricityIt covers current definition and measurement, potential difference, resistance and current regulation, resistivity and material selection, Joule’s law and practical heating applications.4 lessons · 24 min
Chapter 12Magnetic Effects of Electric CurrentIt covers magnetic field and filings, tracing and direction, circular-coil turns, a solenoid can Form an electromagnet, force on a conductor and textbook device applications.4 lessons · 21 min
Chapter 13Our EnvironmentIt covers ecosystem components, producers make food, food webs, chemical entry pathways, ozone and protection and waste categories.4 lessons · 22 min
CBSE reading materialSchool assessmentPeriodic Classification of ElementsIt covers the triad criterion, Newlands’ repeating pattern, reading Mendeléev’s table, mass order and chemical evidence, periods and shell count and valency and chemical similarity.4 lessons · 24 min
CBSE reading materialSchool assessmentEvolutionIt covers the essence of evolution, acquired and inherited traits, micro-evolution and gene flow, geographical isolation, classification and ancestry and homologous characteristics.4 lessons · 23 min
CBSE reading materialElectric Motor, Electromagnetic Induction and Electric GeneratorIt covers the split ring keeps rotation in the same direction, commercial motors, moving-coil observations, cause of electromagnetic induction, direct-current generation and board-essential DC and AC.3 lessons · 17 min