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Class 10: science and maths

Every chapter, with tools to try: change a number, drag a point, run an experiment and see what happens. 77 tools so far, and more are on the way.

Science

  1. 1 Chemical Reactions and Equations

    Writing and balancing equations, types of reactions, corrosion

  2. 2 Acids, Bases and Salts

    Indicators, pH, neutralisation, salts

  3. 3 Metals and Non-metals

    Properties, reactivity series, ionic compounds, extraction

  4. 4 Carbon and its Compounds

    Covalent bonds, homologous series, naming, reactions, soaps

  5. 5 Life Processes

    Nutrition, photosynthesis, respiration, transport, excretion

  6. 6 Control and Coordination

    Nervous system, reflexes, plant responses, hormones

  7. 7 How do Organisms Reproduce?

    Asexual and sexual reproduction, variation

  8. 8 Heredity

    Mendel's rules, inherited traits, sex determination

  9. 9 Light – Reflection and Refraction

    Spherical mirrors, refraction, lenses, sign convention, power

  10. 10 The Human Eye and the Colourful World

    Eye defects, prism, dispersion, scattering

  11. 11 Electricity

    Current, potential difference, Ohm's law, resistors, power

  12. 12 Magnetic Effects of Electric Current

    Field lines, right-hand rule, solenoid, force on a conductor

  13. 13 Our Environment

    Food chains, 10% law, ozone, waste

Maths

  1. 1 Real Numbers

    Fundamental theorem of arithmetic, HCF and LCM, irrational numbers

  2. 2 Polynomials

    Zeros on a graph, zeros and coefficients

  3. 3 Pair of Linear Equations in Two Variables

    Graphical method, substitution, elimination

  4. 4 Quadratic Equations

    Factorisation, nature of roots

  5. 5 Arithmetic Progressions

    nth term, sum of n terms

  6. 6 Triangles

    Similar figures, basic proportionality theorem, similarity criteria

  7. 7 Coordinate Geometry

    Distance formula, section formula

  8. 8 Introduction to Trigonometry

    Trigonometric ratios, special angles, identities

  9. 9 Some Applications of Trigonometry

    Heights and distances

  10. 10 Circles

    Tangents to a circle

  11. 11 Areas Related to Circles

    Sectors and segments

  12. 12 Surface Areas and Volumes

    Combinations of solids

  13. 13 Statistics

    Mean, median and mode of grouped data

  14. 14 Probability

    Theoretical probability

Other classes: Class 8 · Class 9 · Class 11 · Class 12

Chapters follow the topics of the NCERT books used in 2026-27 (the new books for Class 8 and 9, the 2023 rationalised books for Class 10 to 12). fibub is an independent free site, not part of NCERT, and copies no textbook text or pictures. Every tool runs in your browser: no sign-up, nothing about you is saved.