Across
- 1. the number of wavelengths that pass a point each second is a wave.
- 3. a wave that travels only through matter
- 6. the change in direction of a wave as it changes speed, moving from one medium to another
- 7. the maximum distance of a wave from its rest position.
Down
- 2. a wave that can travel though empty space or though matter.
- 4. a wave that makes the particles of a medium move back and fourth parallel to the direction the wave travels.
- 5. a wave in which disturbance is perpendicular to the direction.