1Collect different metals and non metals available around you, and classify them into those a magnet attracts and those it does not.
2When pins are brought near the iron nail of a finished electromagnet and the switch is turned on and off, what response is seen?
3What is a natural magnet? Where is it found, and give one example of it.
4How is an artificial magnet made? Write two advantages of it.
5Write the materials needed to make an electromagnet and the method of making it, step by step.
6Write four differences between a natural magnet and an artificial magnet.
7Write five uses of magnets.
8Why is an electromagnet, and not a permanent magnet, used at a port for lifting iron rods?