Across
- 4. a wave in which the wave's medium moves in the same direction as the movement of the wave; also called a compression wave
- 5. energy of movement
- 6. a rate of something that repeats over and over
- 8. a regular pattern of motion
- 9. a repeating and recognizable feature
Down
- 1. a wave in which the wave's medium is compressed in the same direction as the movement of the wave; also called longitudinal wave
- 2. a back-and-forth pattern of motion that transfers energy
- 3. a quick back-and-forth movement
- 7. the length of one wave; can be measured as the distance from the center of one peak to the center of the next peak