SCIENCE (a cry for help)

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Across
  1. 3. Magnetic mineral, and in your blood
  2. 5. Where santa lives, also in magnets
  3. 7. Magnet, in a U shape
  4. 9. magnetic mineral, also a shade of blue
  5. 10. magnetic mineral, also a coin
Down
  1. 1. flow of electrons that creates a magnet(2 words)
  2. 2. Spirals that power electromagnets
  3. 4. Opposites
  4. 6. Magnets of the same pole will...
  5. 8. what surrounds magnets(2 words)