Across
- 5. A sound wave needs a ____ to travel through
- 8. what is the waves that cause the medium to move perpendicular to the direction of the wave
- 11. Sound travels fastest through ____
- 12. What's and example of a sound wave
- 13. The bottom of the wave is call a _____
- 14. When an ambulance passes by you, the ____ will be lower because the wavelengths will be longer.
- 15. The _____ of a wave determines its pitch.
Down
- 1. What's another word for speed
- 2. What's and example of a Longitudinal wave
- 3. To measure wavelength on a longitudinal wave, you can measure from compression to____
- 4. What's the change in direction of a wave passing from one medium to another caused by its change in speed.
- 6. When we measure crest to crest or through to through it gives us the ____
- 7. What is frequency Measure in
- 9. What determines the loudness of a sound.
- 10. The top of a wave is call a ____