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