secinece

3. wave a wave that travels only thought matter
4. the amplitude of a wave is the maximum distance that the wave moves form its restpositson
6. a space entirely devoid of matter
8. the section where the particles in the medium are closest together are compressions
9. the perception of how high or low sound seems
14. a wave causes the particles in a medium to move parallel to the direction that the wave travels
15. the regions where the particles are fathers apart are rarefactions
17. a disturbance that transfers energy from one place to another without transferring matter
18. is a straight line at an angle of 90 to a given line plane surface
19. the distance between one point on a wave to the same point
20. wave a sound wave is a longitudinal wave that travel only thought matter

1. a back and forth or and up or down movement of an object
2. bottom of the wave
3. a matter in which wave travels
5. a wave is the number of times the pattern repeats in a given time
7. wave an earth earthquake
10. a wave vibrating at right angles to the direction of its propagation
11. Frequencies above range
12. is the amount of sound energy that passes through a square matter of space in one second
13. side by side and having the same distance continuously between them
16. top of a wave