Across
- 5. Sound waves, like water waves, can't travel in empty space because they are types of ________________ waves.
- 6. The frequency of the sound is the _______ as the vibration rate of the object creating the sound.
- 7. Sounds above the frequency range that humans can hear.
- 9. The type of guitar where the body vibrates and produces an amplified sound.
- 11. An electric guitar player uses a large speaker to _________ the guitar's sound.
- 13. Sound travels ________ in water than it does in air.
- 14. When the forced vibrations of an object match the natural frequency of the other object.
- 15. Sound must have a ________ to travel through.
Down
- 1. All sounds originate from __________.
- 2. _________ vibrations happen when one vibrating object causes another one to vibrate.
- 3. If a sound is higher pitch than another, that means the two sounds have a different ____________.
- 4. Light is a ___________ times faster than sound.
- 8. The preferred frequency of a object.
- 10. For humans, it would be frequencies below 20Hz.
- 12. A synonym for frequency.