Across
- 2. the distance between the crests of two waves
- 7. the height of a wave
- 10. lowest point on a wave
- 12. to high frequency
- 13. require a medium to travel
- 14. highest point on a wave
Down
- 1. waves that can travel through empty space
- 3. range of electromagnetic waves from low
- 4. the number of waves that pass a point per second
- 5. how loud or soft a sound is (volume)
- 6. material through which a wave travels
- 8. how high or low a sound is
- 9. energy from vibrations in matter
- 11. disturbance that transfers energy from one place to another