Across
- 2. - Change in direction of a wave when it
- 4. Wave - travels only through matter.
- 5. - material in which a mechanical wave travels.
- 11. - distance from one point on a wave to the
- 13. - wave changes direction, because it's speed
- 15. by the edge of an object or through an opening.
- 17. ability to cause change.
- 18. the direction of the wave.
- 20. wave - disturbance is perpendicular
- 21. - lowest point on a transverse wave.
Down
- 1. - bouncing off a wave off a surface.
- 3. - waves that overlap and combine to form a
- 6. - transfer of energy by a wave to the medium
- 7. point on the next time.
- 8. - number of wavelengths that pass per second.
- 9. highest point on a transverse wave.
- 10. wave.
- 12. another.
- 14. which it travels.
- 16. - Passage of light through an object.
- 19. - disturbance that transfers energy from one place