vocab cards

5. s the amount of sound energy that passes through a square meter of space in one second.
6. is a disturbance that transfers energy from one place to another without transferring matter.
9. Top of the wave
11. straight line at an angle of 90° to a given line, plane, or surface.
12. is a force that squeezes something together.
13. Bottom of the wave
14. a wave in which the disturbance is perpendicular to the direction the wave travels.
15. A material in which a wave travels.
17. The human ear can detect sounds with frequencies between about 20 Hz and 20,000 Hz.
19. The distance between one point on a wave to the same point on the next wave is the
20. of a wave is the maximum distance that the wave moves from its rest position.
22. above this range are called
23. is a longitudinal wave that can travel only through matter.

1. of a wave is the number of times the pattern repeats in a given time.
2. causes the particles in a medium to move parallel to the direction that the wave travels.
3. he perception of how high or low a sound seems is
4. is a wave that travels only through matter.
7. is a back-and-forth or an up-and-down movement of an object.
8. an elastic wave in the earth produced by an earthquake or other means.
10. diminution in the density of something, especially air or a gas.
16. a space entirely devoid of matter.
18. e attribute of a sound that determines the magnitude of the auditory sensation produced
21. side by side and having the same distance continuously between them.