magnets

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Across
  1. 3. force between two like poles of magnets
  2. 6. location on a magnet where the field is strongest
  3. 7. Material used for making permanent magnets
Down
  1. 1. a natural magnet found in nature
  2. 2. a device to find geographical directions
  3. 4. used to prevent demagnetisation of magnets
  4. 5. a non magnetic material