Across
- 2. reflected sound wave
- 3. tiny bundle of energy; particle of light
- 5. distance a wave travels over one unit of time
- 9. matter through which mechanical waves can travel
- 11. distance between two neighboring crests or troughs
- 12. height of transverse wave
- 13. straight line that shows the direction of light
- 14. # of complete waves passing any given point
Down
- 1. type of wave in which the particles of the medium move back and forth in the direction of the wave motion
- 4. moving back and forth at regular speed
- 6. wave that transfers energy thru empty space
- 7. low point of a transverse wave
- 8. unit used to measure the frequency of a wave
- 10. wave type that transfers energy thru matter
- 11. disturbance that transfers energy from place to place
- 12. when a light has dissappeared in a medium it has been