Across
- 2. measurement that determines how many times a wave repeats
- 4. midpoint of a wave
- 7. distance from trough to trough or crest to crest
- 13. wall
- 15. matter that waves travel through
- 17. highest parts of a wave
- 20. weakest level of the EM radiation spectrum
- 21. moves in a continuous stream
- 22. distance height from midpoint
- 24. colors reflected by the sun
- 26. a movement of energy outward
- 27. how many times a wave repeats in a specific time interval
- 28. a scale used to classify opposing ends
- 29. light you can see
Down
- 1. the lowest points in the wavelength
- 3. energy transmits in a scattered arrangement
- 5. the change of direction of any wave deflected in passing from one medium to another
- 6. another term for refraction
- 8. energy stays within a material
- 9. change
- 10. stuff
- 11. emitted
- 12. light
- 14. also matter waves
- 16. on and off signals
- 18. the most dangerous level in the EM radiation spectrum
- 19. energy passes through a material
- 23. produce more precise pathways
- 24. repeated motion caused by a disturbance
- 25. energy bounces off a material