waves

3. the number of wave crests that pass a fixed point per second.
4. energy travels in waves and spans a broad spectrum from very long radio waves to very short waves.
10. velocity/frequency
11. the substance that transfers the energy, or light from one substance to another substance.
12. if the crests of one wave coincide with the troughs of the other wave, the amplitude would be decreased.
13. distance between the resting position and the maximum displacement of the wave.
14. vibration that takes place in the same direction as the advance of the wave.
15. a motion in which all points on a wave oscillate along paths to the direction of the wave.

1. the distance the wave travels in a given amount of time.
2. visible light,radio waves,gamma rays,and X-rays.
5. the spreading of waves as they pass through or around an obstacle.
6. an increase in the frequency of sound, light, or other waves as the source and observer move forward from each other.
7. the bending of a light as it passes from a transparent object to another.
8. when light bounces off an object
9. two waves travel in the same direction and are in phase with each other.