Electromagnets

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Across
  1. 1. A device that points to North seeking poles and can be used to find the direction of a magnetic field
  2. 6. Coil of wire
  3. 9. The variable you measure in an experiment
  4. 11. The ... the magnetic field lines are, the stronger the field
  5. 12. Electromagnet cores are usually made of...
  6. 13. Where the magnetic field around a bar magnet is strongest
  7. 14. A magnetic compound
  8. 15. Decreasing the ... will make an electromagnet's field weaker
  9. 17. Opposite poles will ... each other
Down
  1. 2. Using a more ... material for an electromagnet core will make its magnetic field stronger.
  2. 3. The direction magnetic field lines point
  3. 4. A substance made of more than one element chemically bonded
  4. 5. The variable you change in an experiment
  5. 7. A magnetic element
  6. 8. A magnet can only attract magnetic materials and not ... them
  7. 10. Increasing the number of turns in a solenoid increases the strength of an electromagnet
  8. 14. Adding more turns to the electromagnet will make its magnetic field...
  9. 16. The ... has a permanent magnetic field.