Across
- 1. The highest point of a wave.
- 6. where they are spread apart.
- 7. measured from its resting point to its highest or lowest point.
Down
- 1. where particles are closer together
- 2. plates move away from each other
- 3. finding things under water
- 4. The lowest point of a wave.
- 5. a series of waves caused by vibrations