Across
- 2. the lowest point of a wave
- 4. the distance between two crests or troughs
- 8. a wave where the particles move up and down while the wave moves forward
- 9. the height of a wave from the rest position to a crest
- 10. an area in a longitudinal wave where particles are close together
Down
- 1. the highest point of a wave
- 3. a wave where the particles move back and forth in the same direction the wave moves
- 5. an area in a longitudinal wave where particles are spread apart
- 6. what waves transfer from one place to another
- 7. a moving disturbance that carries energy