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Write main properties of a magnet
How was magnet discovered?
It is advised to keep the magnets away from television, mobiles, CD and computers Explain why?
It is said that repulsion is a sure test for magnetism. Why is it so?
Identify magnetic and non-magnetic substances from the list given below: Iron, Steel, Nickel, Plastic, Wood, Copper and a Stainless Steel spoon
Few iron nails and screws got mixed with the wooden shavings while a carpenter was working with them. How can you help him in getting the nails and screws back from the scrap without wasting his time in searching with his hands?
How can you make an iron strip into a magnet?
Write two methods by which a magnet can be demagnetised.