Across
- 2. the characteristic of highness or lowness of sound.
- 4. the spreading out of waves through an opening or around the edge of an obstacle.
- 8. waves that transfer energy through matter are known as
- 10. highest point or peak of a wave.
- 11. a empty space.
- 12. the bouncing back of a wave after it strikes a barrier.
- 13. a wave that is produced by a vibrating object and travels through matter.
- 14. Any substance that a wave moves through.
- 15. Disturbance that transfers energy from one place to another.
- 17. the distance between from one wave crest to very next crest.
- 19. the lowest point or valley of a wave.
- 20. number of waves passing a fixed point in a certain amount of time.
Down
- 1. a rapid,back and forth motion.
- 3. the meeting and combining of waves.
- 5. the bending of a wave as it enters a new medium at an angle other than 90 degrees.
- 6. the wave travels in the same direction as the disturbance.
- 7. Direction in which the waves travels is perpendicular or at right angles,to the direction of disturbance.
- 9. one complete wave or cycles per second.
- 16. sound waves in the range above 20,000 hertz.
- 18. a transverse wave is the distance between a line through the middle of a wave and a crest or trough.