Magnets n' Electricity

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Across
  1. 3. a moving charge
  2. 6. Many tiny regions inside a magnetic material
  3. 7. A huge bar magnet
  4. 9. made by wrapping wire around an iron bar
  5. 10. a thing that could cause an explosion in fuel vapour
  6. 12. a material that is attracted to magnet and can be made into a magnet
  7. 13. One of the ways to create magnet by rubbing in one direction
  8. 14. a circuit with flowing electric current that can detect magnetic field
  9. 15. Field has direction: lines point away from N and toward S
Down
  1. 1. Usually the blue side of a magnet bar
  2. 2. a magnetic material that is usually used for the core of an electromagnet
  3. 4. A material that is magnetic and has an atomic number of 27
  4. 5. A thing to measure amps
  5. 8. tiny electronic devices, are used in digital sensors
  6. 11. A dynamic electric field