Across
- 3. form of energy that can move through the vacuum of space.
- 6. a disturbance that transfers energy from place to place
- 8. the height of a wave's crest
- 12. The part of a longitudinal wave where the particles of the medium are close together.
- 13. the vibration of the medium is parallel to the direction the wave travels
- 14. the SI unit of frequency
Down
- 1. wave that requires a medium through which to travel
- 2. the number of complete wavelengths that pass a point in a given time
- 4. wave that moves the medium in a direction perpendicular to the direction in which the wave travels
- 5. Highest point of a wave
- 7. Material through which a wave travels
- 9. a part in a longitudinal wave where the particles are spread apart
- 10. horizontal distance between the crests or between the troughs of two adjacent waves
- 11. Lowest point of a wave