Across
- 2. changes in frequency
- 3. sound waves
- 5. waves that transfer energy
- 7. Distance from the mid-point
- 12. distance from crest to crest
- 14. Perpendicular
- 15. ----> + <-- = -->
Down
- 1. hello | olleh
- 4. wave go brr
- 6. gamma to radio waves
- 8. bending light or sound
- 9. Makes the rainbow get its colors
- 10. -> + --> = --->
- 11. hertz (Hz)
- 13. Air and water