Across
- 4. a back and forth motion of an object
- 6. first thing a sound enters in the process of hearing
- 8. a portion of matter
- 9. unit of frequency
- 10. the reflection of a sound wave from a surface back to the listener
- 12. the distance between the top of each wave
- 14. wave where particles of the medium vibrate and move
- 16. atoms grouped together
- 17. measure of how high a sound is
- 19. how you can measure the power of a sound or intensity
Down
- 1. specific amount, size or degree of something
- 2. measure of pressure or force on something
- 3. Humans can her sounds with a between 20-20000 hz
- 5. move from one place to another
- 7. particles moving and transferring energy through the medium motion
- 8. how high or low the frequency is
- 11. when two objects collide while one of them is moving
- 13. the height of a waves peak or valley from the starting position
- 15. what the sound travels through
- 18. what is transferred through a sound wave