Across
- 3. a disturbance that transfers energy from one place to another
- 5. is the spreading out of waves through an opening or around the edge of an obstacle
- 9. the wave travels in the same direction as the disturbance
- 11. the direction in which the wave travels is perpendicular,or at right angles to the direction of the disturbance
- 16. is the meeting and combining of waves
- 18. is a wave that is produced by a vibrating object and travels through matter
Down
- 1. is a rapid,back and forth motion
- 2. is one complete wave,or cycle,per second
- 4. waves that transfer energy through matter
- 5. is the change in perceived pitch that occurs when the source or the receiver of a sound is moving
- 6. the number of waves passing a fixed point in a certain amount of time
- 7. for a transverse wave is the distance between a line through the middle of a wave and a crest or trough
- 8. is any substance that a wave moves through
- 10. the bending of a wave as it enters a new medium at an angle other than 90 degrees
- 11. is the lowest point,or valley,of a wave
- 12. is empty space
- 13. the strengthening of a sound wave in this way
- 14. the distance from one wave crest to the very next crest
- 15. the bouncing back of a wave after it strikes a barrier
- 17. is the highest point,or peak,of a wave