Across
- 2. / not able to be seen through
- 5. / saying hi
- 8. / how often it happens
- 9. rays / radiation off of a wave
- 12. wave / right angles
- 13. rays / heat sensing
- 16. / mirror gives off this
- 18. / how high or how low
- 19. wave / transverse or longitudinal
- 20. / intensity of sound wave
- 21. / from the resting point to trough or crest
- 23. / frosted glass
- 25. / rounded out
- 27. / a thing that sound travels through
- 28. waves / cell phones
- 29. / how much amplitude there is
- 32. wave / wave not moving
- 33. / bending of the light wave
- 34. / when waves cancel each other out
Down
- 1. / curved
- 3. rays / purple
- 4. / straw in water
- 6. / light going into black paper
- 7. / quality in the sound
- 10. / from crest to crest
- 11. / doctor looking inside you
- 14. point / where waves meet
- 15. light / light you can see
- 17. wave / a wave from the electromagnetic radiation
- 20. effect / fire siren
- 22. / the measurable amount of force
- 24. / see through
- 26. / radars
- 30. reflection / reflecting in many angles
- 31. wave / not transverse