forces and fields

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Across
  1. 2. opposite of geographic pole
  2. 3. the field of magnetism surrounding an object
  3. 5. push away from each other
  4. 7. something that exerts magnetic forces
Down
  1. 1. ability of a material to exert magnetic force
  2. 2. force of magnetism
  3. 4. negatively charged atom
  4. 6. opposites _____