Class 8: science and maths
Every chapter, with tools to try: change a number, drag a point, run an experiment and see what happens. 94 tools so far, and more are on the way.
Science · Curiosity
-
1 Exploring the Investigative World of Science
Questions, fair tests, measuring and graphs
-
2 The Invisible Living World: Beyond Our Naked Eye
Microscopes, microorganisms, useful and harmful microbes
-
3 Health: The Ultimate Treasure
Infections, immunity, vaccines, balanced diet
-
4 Electricity: Magnetic and Heating Effects
Circuits, electromagnets, heating effect, fuses
-
5 Exploring Forces
Contact and non-contact forces, friction, mass and weight
-
6 Pressure, Winds, Storms, and Cyclones
Pressure, pressure in liquids, air pressure, winds, cyclones
-
7 Particulate Nature of Matter
Particles, states of matter, diffusion
-
8 Nature of Matter: Elements, Compounds, and Mixtures
Elements, compounds, mixtures, symbols, separation
-
9 The Amazing World of Solutes, Solvents, and Solutions
Dissolving, saturation, solubility, concentration
-
10 Light: Mirrors and Lenses
Reflection, plane and spherical mirrors, lenses, dispersion
-
11 Keeping Time with the Skies
Day and night, Moon phases, calendars, constellations
-
12 How Nature Works in Harmony
Food chains and webs, decomposers, balance
-
13 Our Home: Earth, a Unique Life-Sustaining Planet
Earth's spheres, water cycle, why Earth supports life
Maths · Ganita Prakash
-
1 A Square and a Cube
Squares, square roots, cubes, cube roots
-
2 Power Play
Exponents, powers of 10, standard form, growth
-
3 A Story of Numbers
Number systems, place value, bases
-
4 Quadrilaterals
Types of quadrilaterals and their properties
-
5 Number Play
Patterns, divisibility, puzzles
-
6 We Distribute, Yet Things Multiply
Distributive property, identities
-
7 Proportional Reasoning – 1
Ratio, proportion, unitary method
-
8 Fractions in Disguise
Percentages, profit and loss, interest
-
9 The Baudhayana-Pythagoras Theorem
Right triangles, proofs, triples
-
10 Proportional Reasoning – 2
Inverse proportion, speed, work
-
11 Exploring Some Geometric Themes
Symmetry, tessellations, fractals, solids
-
12 Tales by Dots and Lines
Graphs and charts, mean, median, mode
-
13 Algebra Play
Expressions, equations, number tricks
-
14 Area
Areas of triangles, parallelograms, trapeziums, circles
Other classes: Class 9 · Class 10 · 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.