Vocab

2. Waves: Waves that can travel only through matter (sound waves)
6. Pattern is a regular arrangement of places where wave effects are increased, decreased, or neutralized.
7. The bending of a wave around an object
8. the time of a back-and-forth swing of a pendulum.
9. Low points on a wave.
12. The bending of a wave caused by a change in its speed as it travels from one medium to another
13. Matter through which a wave travels
14. The distance from the midpoint to the crest (or trough) of the wave.
16. The number of vibrations an object makes in a unit of time.
17. Wave: Whenever the motion of the medium is at right angles to the direction in which a wave travels.

1. Curve: A pictorial representation of a wave.
3. High points on a wave.
4. interference: the crest of one wave overlaps the crest of another and their individual effects add together.
5. Wave: When the particles oscillate parallel to or along the direction of the wave.
7. Effect: this apparent change in frequency due to the motion of the source (or receiver)
10. A repeating disturbance that transfers energy through matter or space
11. The distance from the top of one crest to the top of the next one.
15. interference: the crest of one wave overlaps the trough of another and their individual effects are reduced.