Across
- 3. Mass divided by volume
- 5. How wavelength and frequency are related
- 8. How big a wave is
- 9. units for frequency
Down
- 1. the physical distance from one compression to the next
- 2. cycles per second
- 4. the type of wave that needs a medium to propagate
- 6. a wave who's particle motion is in the same direction as the wave propagation direction
- 7. ultrasound that can detect and measure blood flow