Some activities will cause the magnet to lose its magnetism. Heating, dropping, and knocking the magnet will weaken its strength.
- We must hold a magnet firmly so that it don't drop.
- We must keep the magnets in their boxes.
- Use a metal bar (keeper) to connect the ends of the magnets if the magnets are kept in pairs.
View this video to understand how magnet keeper keep the magnetism:
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