Review (Matters, Electricity, Sound)

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Across
  1. 2. Thin metal strand that carries electricity
  2. 7. Fast back and forth movement that makes sound
  3. 9. Energy used to power devices
  4. 11. Something we hear with our ears
  5. 12. Circuit with only one path for electricity
  6. 13. How high or low a sound is
  7. 14. To make a sound quieter
  8. 16. Tool used to open or close a circuit
  9. 17. Change from gas to liquid
  10. 18. Source of electrical energy
  11. 19. Tool used to measure sound level
  12. 21. Change from solid to liquid
  13. 22. How loud or soft a sound is
  14. 24. Tiny pieces that make up matter
  15. 25. State of matter with a fixed shape
  16. 27. Thin part inside the ear that vibrates from sound
  17. 28. Device that makes a buzzing sound
Down
  1. 1. Change from liquid to solid
  2. 3. Unit used to measure sound level
  3. 4. Device that changes electricity into movement
  4. 5. State of matter that flows and takes the shape of its container
  5. 6. State of matter that spreads to fill a space
  6. 8. Material that does not allow electricity to flow easily
  7. 9. Path where electricity flows
  8. 10. Change from solid directly to gas
  9. 15. Material that allows electricity to flow easily
  10. 18. Device that gives light using electricity
  11. 20. Body parts in the throat that vibrate when we speak
  12. 23. Change from liquid to gas
  13. 26. Circuit with more than one path for electricity