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Chemical reactions & equations
From a rusting nail to a balanced equation. Understand what really happens when substances change.
Quadratic equations
Find the roots, see the patterns, and choose the right method. Algebra with a little more understanding.
Life processes
The everyday science of being alive: nutrition, respiration, transport, and excretion.
Light: reflection & refraction
Follow a ray of light. Discover how mirrors, lenses, and everyday optics work.
The climate of India
Read the winds, connect the seasons, and make sense of the monsoon.
Understanding poetry
Go beyond the summary. Find a poem’s voice, imagery, and meaning through close reading.
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Conservation of atoms
A chemical reaction transforms reactants into new products.
Think of atoms as building blocks. A chemical reaction takes the same blocks and connects them in a new way. You get a different substance, but no atoms disappear or appear out of nowhere.