Science is not a chapter to memorise — it is something that happens on your table. 48 experiments and builds, sorted by Std, each with what to do, what you will see, and why it happens.
A big plastic lid rests on the water while a tiny coin drops straight to the bottom.
🧰 a large bowl of water, a spoon, a plastic bottle cap…Try it → Science15 min
The raisins rise to the top, wobble and sink again, over and over, as if they had learned to dance.
🧰 a tall clear glass, water, one teaspoon of baking soda…Try it → Science10 min
A rubbed balloon makes your hair stand up and then bends a falling stream of water without ever touching it.
🧰 a balloon, your hair or a woollen cloth, small torn bits of paper…Try it → Science20 min
A dry, dead-looking bean sends out a white root and then pushes up a green shoot, all inside a glass.
🧰 three dried beans or chickpeas, a clear glass jar, cotton wool or tissue paper…Try it → Science15 min
Your own shadow is taller than you in the morning and shrinks to a stub by the middle of the day.
🧰 chalk, a sunny open floor or yard, a friend to trace for you…Try it → Science20 min
Coloured water climbs up a paper strip all by itself and pours into an empty glass next door.
🧰 three glasses, water, two food colours or beetroot and turmeric juice…Try it → Technology20 min
A whisper travels along a piece of string and comes out clearly in a cup five metres away.
🧰 two paper cups or steel tumblers, about five metres of string, a pin or nail for the hole…Try it → Technology10 min
Flicking through seven photos makes a plant that never seems to move suddenly grow before your eyes.
🧰 an adult's phone camera, a potted plant or your bean jar, a sticky note for the date…Try it → Engineering20 min
Ten flimsy paper cups end up holding a whole book above your head height.
🧰 ten paper or plastic cups, four squares of stiff card, a light book…Try it → Engineering15 min
Adding one book under the ramp sends the same little car rolling right across the room.
🧰 a stiff tray or a long piece of card, a pile of books, a toy car or a marble…Try it → Maths15 min
You and a grown-up measure the very same table and get two completely different numbers.
🧰 your own hand, a table and a doorway to measure, a paper strip…Try it → Maths15 min
You can say which colour the twentieth cap will be without laying a single one of them down.
🧰 bottle caps, buttons or coins in two or three colours, a long table or floor space, paper…Try it →Ask Acharya Samayeshwar about any of these ideas — he explains them for your board and Std.
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