Across
- 5. when the crest of one wave overlaps the trough of another
- 6. when the crest one wave overlaps the crest of another
- 7. vibration in the same direction of wave travel
- 8. the returning of a wave to the medium through which it came when it encounters a reflexive surface
- 9. a wave that requires a medium through which to travel
- 12. the number of to-and-fro vibrations in a given time
- 13. is the bending of a wave due to a change in the medium
Down
- 1. vibration is sideways to wave travel
- 2. the combined effect of two or more overlapping waves
- 3. is any bending of light by means other than reflection and refraction
- 4. radio, microwave, infared, visible, UV, x-ray, gamma
- 10. a wiggle in time
- 11. a wiggle in time and space