Class 9 · Core Subjects
ScienceMotion, matter and the cell, done properly
The Class 9 chapters that reappear in Class 10 and again in Class 11 — motion, atoms, cell structure — taught once, thoroughly.

All chapters
Matter in Our Surroundings
4 lessons2h 1m5 marksModerate
Is Matter Around Us Pure
4 lessons1h 33m5 marksModerate
Atoms and Molecules
4 lessons1h 51m6 marksModerate
Structure of the Atom
4 lessons1h 43m6 marksModerate
The Fundamental Unit of Life
4 lessons50m5 marksModerate
Tissues
3 lessons40m5 marksModerate
Motion
4 lessons1h 44m6 marksModerate
Force and Laws of Motion
4 lessons1h 53m6 marksModerate
Gravitation
4 lessons1h 24m7 marksModerate
Work and Energy
4 lessons57m5 marksModerate
Sound
4 lessons1h 33m5 marksModerate
Improvement in Food Resources
3 lessons45m4 marks
Where the marks are
Study in this order
Board weightage, chapter by chapter, based on the last five years of papers. If you are short on time, start at the top of this list and work down — not at chapter one.
Start with the heaviestStart where you are
Class 9 Science, start to finish
Videos are free. The notes, question banks and papers that turn understanding into marks sit behind a plan that costs less than one month of tuition.