Waves, Electricity, & Electromagnetism

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Across
  1. 3. Electric ____ is the area of electric force around a charged object
  2. 4. ____ are so loud they can damage your hearing
  3. 6. High frequency waves have a short ____
  4. 8. The unit of measurement for sound is ____
  5. 10. A ____ circuit means electricity takes a bad path
  6. 11. Ohm's Law says ____ = voltage divided by current
  7. 14. Electricity that flows between objects that touch is called ____
  8. 15. A ____ is quiet
  9. 17. Electric current is measured in ____
  10. 20. Light changing direction when it moves through an opening is ____
  11. 22. An electromagnet is a solenoid with a metal ____
  12. 25. ____current can only move in one direction
  13. 27. A ____ measures small electric currents
  14. 28. ____ current can move backwards and forwards in a circuit
  15. 30. Same charge ____
Down
  1. 1. Light changing direction when it moves from one medium to another is ____
  2. 2. A ____ circuit has many paths
  3. 5. The point on a wave with zero amplitude is a ____
  4. 7. Voltage means electrical ____
  5. 9. Electromagnetic induction happens in a ____ magnetic field
  6. 12. Opposite charge ____
  7. 13. Electric flow between objects that don't touch is ____
  8. 16. The Doppler Effect causes ____ to change as the source of the sound moves
  9. 18. An electric ____ changes electrical energy into mechanical energy
  10. 19. Electric current can create a ____ field
  11. 21. Light changing direction when it bounces off a surface is ____
  12. 23. A ____ makes electric current
  13. 24. ____ waves vibrate left and right
  14. 26. A ____ can increase or decrease voltage
  15. 29. A ____ circuit has only one path