Science is not a chapter to memorise β 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.
One sheet of paper that cannot hold five coins flat will hold a book once you fold it the right way.
π§° several sheets of A4 paper, two equal stacks of books to be the supports, a pile of identical coinsβ¦Try it β Engineering20 minThe same square of foil carries three coins as a deep cup and thirty as a wide flat barge.
π§° aluminium foil, a bowl of water, a pile of identical coinsβ¦Try it βAsk Acharya Samayeshwar about any of these ideas β he explains them for your board and Std.