sound waves

5. a space entirely devoid of matter.
7. anything that takes up space
10. the compressed space in a medium as a sound travels though it
12. the top of a wave above starting point
13. something that receives sound
16. a push or a pull
17. the fundamental ability to do work, cause change, or produce heat, light, and motion

1. a compression wave traveling trough the air making sound
2. the part of your ear that sends a signal to your brain
3. the loudness of sound
4. the thing that sound comes from
5. the fast back and forth motion of an object
6. the top of a wave above starting point
8. the length of a wave
9. the pitch of a sound
11. how high or low the sound is
14. the bottom of a wave below starting point
15. vibrations that travel through the air that can be heard when they reach a person's ear
17. a series of sounds caused by the reflection of sound waves from a surface back to the listener