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Homework, 1. What happens when a bar magnet is left, to move freely?, , 2. Name an instrument which is used to find, directions., , 3. Name a natural material which acts like a, magnet., , 4. Name two magnetic materials other than, iron and steel., , 5. What name is given to the two ends of a, magnet where the attraction is strongest?, 6. Who discovered magnet?, , 7. Name the country in which magnet was, discovered?, , 8. When was magnetite discovered?, , 9. What is magnetite called now?, , 10. What are magnetic materials?