Wave Vocabulary

4. parts were the waves are close together
8. the quality of a sound made by the number of vibrations (the highness or lowness of a sound)
9. a wave that transfers energy perpendicular to its medium the energy moves one direction while the medium moves at a right angle to it
12. a sound or series of sounds caused by the reflection of sound waves from a surface back to the listener
13. a disturbance that carries energy through matter or space
14. the apparent bending of waves around a small obstacle
17. waves that move the medium parallel to the direction in witch the waves travel
18. to bounce off
20. a repeated back and forth of up and down motion
21. vibrations that travel through the air or another medium and can be heard when they reach a person's ear or animal's ear

1. the lowest point of a transverse wave
2. measure of wave energy; the distance between a waves' resting point and the top or crest of the wave
3. a wave that requires a medium in which to travel and carry energy
5. an increase or decrease in the frequency of sound LIGHT or other waves as the source and observer move toward or away from each other
6. material through which waves travel
7. the distance between two corresponding parts of a wave
10. the location of objects by reflected sound, in particular that used by animals such as dolphins and bats
11. the change in direction of a wave due to a change in its medium
15. the highest point of a transverse wave
16. parts where the waves are spread out
19. the ability to do work