Across
- 2. lowest part of a wave
- 3. Objects do not produce sound when they do not ___
- 6. sound is what type of energy
- 8. material through which a wave travels
- 10. When a wave moves parallel to the direction that the wave travels is a __ wave
- 12. from another object
- 13. Sound travels __ than light
Down
- 1. The ability of an object to vibrate by absorbing vibrating energy of its own natural
- 4. bending of a wave as it travels from one medium to another
- 5. The bouncing back of a wave when it hits a surface through which it can NOT pass
- 7. The distance between the line of origin to the top of the wave
- 9. The distance from crest to crest or two corresponding points
- 11. As the wavelength of a sound wave increases, the frequency _