Chapter 7 Vocabulary- Magnetism

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Across
  1. 3. a tool that changes sound into electric signals
  2. 5. electrical current that flows in just one direction
  3. 6. a tool that changes electrical energy into energy of motion
  4. 8. electrical current that flows in one direction and then in the opposite direction, back and forth
  5. 10. any object that attracts certain metal objects
  6. 11. the area around a magnet where it can push or pull another magnet
Down
  1. 1. a tool that shows directions by letting a needle line up with Earth's magnetic field
  2. 2. a tool that changes energy of motion into electrical energy
  3. 4. a magnet that is made when an electric current flows through a coiled wire around an iron rod
  4. 7. the part of a magnet where the ability to push or pull is the strongest
  5. 9. a tool that changes electrical energy into sound