NCERT-aligned Science & Maths, built to feed straight into NEET Physics, Chemistry and Biology. 100% free — no paywall.
1 · Pick your class
2 · Pick a subject
3 · Class 9 Science — 15 chapters
Matter in Our Surroundings
States of matter · Change of state & latent heat · Evaporation & diffusion
Is Matter Around Us Pure?
Mixtures vs compounds · Solutions, colloids, suspensions · Separation techniques
Atoms and Molecules
Laws of chemical combination · Mole concept & molar mass · Chemical formulae
Structure of the Atom
Subatomic particles · Bohr's model & shells · Valency & isotopes
The Fundamental Unit of Life (Cell)
Cell membrane & wall · Nucleus & organelles · Prokaryotic vs eukaryotic cells
Tissues
Plant tissues (meristem, permanent) · Animal tissues (epithelial, muscular, nervous) · Connective tissue
Diversity in Living Organisms
Classification hierarchy · Five kingdoms · Plant & animal kingdoms
Motion
Distance & displacement · Equations of motion · Uniform circular motion
Force and Laws of Motion
Newton's three laws · Momentum & inertia · Conservation of momentum
Gravitation
Universal law of gravitation · Free fall & g · Thrust, pressure, buoyancy
Work and Energy
Work done by a force · Kinetic & potential energy · Law of conservation of energy & power
Sound
Longitudinal & transverse waves · Speed, frequency, wavelength · Reflection & echo
Why Do We Fall Ill
Health & disease · Infectious vs non-infectious · Immunity & prevention
Natural Resources
Biogeochemical cycles · Ozone layer · Air, water & soil resources
Improvement in Food Resources
Crop improvement · Animal husbandry · Sustainable practices