Unit 13: Magnetism

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Across
  1. 1. A magnetic metal part of a NICS magnet
  2. 3. The unit of electric current
  3. 5. To push away; what like poles do
  4. 7. These charges attract each other
  5. 8. Poles that are the same
  6. 10. These poles repel each other
  7. 13. A magnetic metal part of a NICS magnet
  8. 14. An instrument used to measure electric current
  9. 15. They show the strength and direction of the magnetic field
  10. 16. A coil of wire with electric current so it acts like a magnet
  11. 19. A magnetic metal found in NICS magnets
  12. 22. A piece of iron inside a coil to make an electromagnet stronger
  13. 23. The area of magnetic force around a magnet
  14. 24. To make something into a magnet
  15. 26. To pull towards; what unlike poles do
Down
  1. 1. Materials that aren't attracted to magnets
  2. 2. An instrument with a magnetic needle to show direction
  3. 4. A curved type of magnet
  4. 6. The ends of a magnet
  5. 9. An object that keeps its magnetism and doesn't need an electric current
  6. 11. A straight magnet with no curve
  7. 12. A series of loops wrapped around something
  8. 17. A non-magnetic metal
  9. 18. A measure of extra positive or negative particles
  10. 20. Magnets that contain nickel, iron, cobalt or steel
  11. 21. A material that attracts objects with nickel, iron, cobalt or steel
  12. 25. A magnetic steel alloy made of carbon and iron