Magnetic attraction

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Across
  1. 3. Santa lives here
  2. 4. A magnetic material, but also a salt
  3. 6. a piece of iron or other material which has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field.
  4. 8. The bottom of the world
  5. 9. Penny - dime, penny penny - dime
Down
  1. 1. A magnetic material, great for a pickaxe in minecraft
  2. 2. A magnetic material made mostly from iron
  3. 4. "Where's north?"
  4. 5. To push something away
  5. 7. Something i can't do