Sound Energy

3. Change in frequency of a wave as its source moves in relation to an observer
6. Voice box
7. Narrow region of ear that leads from the outside of the human ear to the eardrum
12. Sound waves with frequencies above the normal human range of hearing
13. Part of ear that is fluid filled cavity shaped like a snail shell
15. Part of ear that is small, tightly stretched, drumlike membrane
17. Sound waves with frequencies below the normal human range of hearing

1. Ability of material to bounce back after being disturbed
2. Describes your perception of the energy of a sound
4. The usage of reflected sound waves to determine distances or to locate objects
5. Unit that measures the loudness of different sounds
8. System that uses reflected sound waves to detect and locate objects underwater
9. Describes how high or low a sound seems to a person
10. Device that uses reflected ultrasound waves to create a picture
11. Amount of energy a sound wave carries per second through a unit area
14. Reflected sound wave
16. How much matter, or mass, there is in a given amount of space