Across
- 3. The Electromagnetic waves that can be used to check if you have a broken bone
- 5. sudden change in the direction of of a wave that strikes the boundary between different mediums
- 7. what comes after visable light
- 9. The wave with the most amount of energy
- 10. The distance between successive crests or troughs is called
- 11. energy
- 15. motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance
- 18. when the path difference within successive crystal planes is equal to an integral number of wavelengths of the electromagnetic radiation
- 20. the substance that is used to transfers evergy from one thing to another
- 21. The type of waves that can travel through a vacuum
Down
- 1. where two waves are completely out of phase
- 2. change in direction of a wave passing from one medium to another caused by its change in speed
- 4. Can not travel through a vacuum
- 6. The lowest point on a wave
- 8. Electromagnetic waves that people can see
- 12. The highest part of a wave
- 13. Spreading of waves around obstacles
- 14. The number of different types of electromagnetic waves
- 16. What medium only electromagnetic waves can pass through
- 17. What color represents
- 19. The type of wave with the least amount of energy