Class 9 learning for kids · कक्षा 9

Free Class 9 lessons and games for children aged 14–15: 23 activities in Maths, Physics, Chemistry and Biology, with pictures and diagrams, read aloud. No sign-up needed.

• Rational and irrational numbers (Maths)
• Laws of exponents (Maths)
• Polynomials (Maths)
• Coordinate geometry: the Cartesian plane (Maths)
• Linear equations in two variables (Maths)
• Lines, angles and triangles (Maths)
• Heron’s formula, surface areas and volumes (Maths)
• Statistics: mean, median and mode (Maths)
• Motion (Physics)
• Numericals: motion, force and energy (Physics)
• Force, laws of motion and gravitation (Physics)
• Physical quantities and their SI units (Physics)
• Sound (Physics)
• Matter in our surroundings (Chemistry)
• Is matter around us pure? (Chemistry)
• Elements, compounds and mixtures (Chemistry)
• Atoms and molecules (Chemistry)
• Structure of the atom (Chemistry)
• The fundamental unit of life (Biology)
• Cell organelles and their jobs (Biology)
• Tissues (Biology)
• Diseases: virus or bacteria? (Biology)
• Improvement in food resources (Biology)