Across
- 2. / sound waves travel fastest in
- 6. / the colors we see
- 7. / sound ________ travel through empty space
- 8. / highest frequency on the EM spectrum
- 10. / see through
- 13. / related to pitch
- 15. / cannot see through
- 16. / do not require a medium
- 18. / related to energy or loudness
- 19. / light coming through the blinds
- 20. / the colors of visible light
- 22. / privacy glass
Down
- 1. / light travels _________ than sound
- 3. / waves can change
- 4. / cannot be created or destroyed
- 5. / waves transfer
- 9. / transverse waves travel
- 11. / longitudinal waves travel
- 12. / seeing yourself in the mirror
- 14. / require a medium
- 17. waves / lowest frequency on the EM spectrum
- 21. / speed of waves changes as i goes from one ______ to another