Across
- 2. have wavelength, amplitude , and frequency
- 4. the solid, liquid, or gas that the sound wave is movig through is
- 5. higher than 20000HZ
- 7. we use echoes to find
- 9. notes have higher frequency
- 10. gets smaller as you get old
Down
- 1. is the distance from one point on a wave to the same point onthe next wave
- 3. needs time to travel
- 6. we cannot hear
- 8. reflection of sound