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Science

CBSE Class 9

Matter, atoms + molecules, structure of atom, cell, tissues, motion + force, gravitation, work + energy, sound, natural resources.

Chapters

12 chapters in the NCERT syllabus. Each chapter has its own page with the chapter overview, what to read (NCERT section refs), and a mastery quiz. AI- generated concept notes are being authored progressively.

1. 1Matter in Our SurroundingsStates of matter, change of state, latent heat, evaporation.
2. 2Is Matter Around Us Pure?Mixtures, solutions, suspensions, colloids, separation methods.
3. 3Atoms and MoleculesLaws of chemical combination, atomic + molecular masses, mole concept.
4. 4Structure of the AtomThomson, Rutherford, Bohr models; electrons, protons, neutrons; valency.
5. 5The Fundamental Unit of LifeCell organelles, plasma membrane, nucleus.
6. 6TissuesPlant + animal tissues — meristematic, permanent, epithelial, connective, muscular, nervous.
7. 7MotionDistance, displacement, velocity, acceleration, equations of motion, graphs.
8. 8Force and Laws of MotionNewton's three laws, inertia, momentum, conservation.
9. 9GravitationUniversal law of gravitation, free fall, weight, thrust + pressure, Archimedes.
10. 10Work and EnergyWork, kinetic + potential energy, conservation of energy, power.
11. 11SoundProduction + propagation, characteristics, reflection, range of hearing, applications.
12. 12Improvement in Food ResourcesCrop production, animal husbandry, food security.

Other subjects in Class 9

• Mathematics
• English
• Hindi Course A
• Hindi Course B
• Social Science