Waves

5. substance or material that carries the wave
7. region with the closest particles
8. the change in direction of a wavefront at an interface between two different media
10. change in direction of waves that occurs when waves travel from one medium to another
12. the net response caused by two or more stimuli
13. the distance over which the wave's shape repeats
14. the lowest point in a cycle
15. the maximum value of upward displacement within a cycle

1. when a wave comes into contact with a medium and causes the medium's molecules to vibrate and move
2. bending of waves around the corners of an obstacle or through an aperture
3. the distance from the center line to the crest or the trough
4. a perpendicular oscillations
6. the number of waves that pass a fixed point in unit time
9. vibrates in direction of propagation
11. progression of particles being accelerated away from a compressed zone