Science Crossword

4. waves that use a medium to transfer energy
5. the bending of wave from one medium into another.
8. the number of wavelengths that pass a given point in 1 second.
9. when two waves overlap and combine into a new wave.
11. matter in the medium moves forward and backwards along the same direction the wave travels
13. the human perception of how much energy a sound wave carries
14. half the distance between the crest and trough. From the resting to point to crest or trough.

1. waves that can travel through space where there is no matter
2. when a wave strikes an object or surface and bounces off.
3. reflected sound wave
6. the bending of waves around a barrier.
7. that cause the matter in the medium to move up and down or back and forth at right angles to the direction the wave travels
10. top of one crest to the top of the next crest, or from the bottom of the trough to the bottom of the next.
12. rhythmic disturbance that carry energy without carrying matter.
15. how high or low a sound is
16. effect source of sound is moving relative to the listener creating a change in frequency.