Study notes & chapters
Read school notes for CBSE, ICSE and ISC, or explore JEE, NEET, UPSC and Machine Learning & AI. Choose a subject and chapter, then continue through explanations, practice and revision.
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Chemical reactions & equations
From a rusting nail to a balanced equation. Understand what really happens when substances change.
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Chapter notesPREMIUM
Life processes
The everyday science of being alive: nutrition, respiration, transport, and excretion.
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Chapter notesFREE
Quadratic equations
Find the roots, see the patterns, and choose the right method. Algebra with a little more understanding.
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Chapter notesFREE
Quadratic Equations: A Problem-Solving Strategy
Know which method to use—and why—before you start calculating.
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Chapter notesFREE
The Human Eye and the Colourful World
A visual guide to how we see, why vision changes and how light creates colour.
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