Across
- 3. units of volume
- 7. sounds are made by _____________
- 8. things like TVs use _______ electricity
- 10. _________ is an example of a nonmagnetic metal
- 11. how high or low a sound is
- 15. a guitar is a ________ instrument
- 16. a _________ magnet is shaped like a U
- 17. magnets attract objects containing _________
- 19. pushes electricity around a circuit
- 21. to make sounds quieter
Down
- 1. ______, thick or longer strings make lower pitched sounds
- 2. a drum is a ________ instrument
- 4. moving electricity
- 5. opens and closes a circuit
- 6. the strength of electricity
- 9. sounds travel best through __________
- 10. part of a circuit
- 12. __________ poles attract
- 13. _______ strings make high pitch sounds
- 14. how loud or soft a sound is
- 18. the end of a cell
- 20. _________ poles repel