Across
- 5. The number of waves per second
- 7. The height of a wave, measured from the centre line
- 8. The bottom of a wave
- 9. The top of a wave
Down
- 1. A wave with oscillations parallel to the direction of travel
- 2. The length of one complete wave
- 3. Another word that means vibration
- 4. A wave with oscillations perpendicular to the direction of travel
- 6. The unit of frequency