Across
- 5. are a means of transferring energy from one point to another
- 6. Frequency is defined by this unit
- 8. the unit for wavelength
- 12. it is the unit that represents an amplitude
- 13. Physical environment in which phenomena occur medium
- 17. location of objects by reflected sound
- 19. complete back-and-forth motion of an object
- 20. The reflection of sound
Down
- 1. these waves do not require a medium (ex: light and radio waves)
- 2. Bats use echolocation to replace what sense?
- 3. These waves require a medium to travel through
- 4. It describes the intensity of a sound
- 7. is the bending of the path of light when it moves from one kind of matter to another
- 9. The pitch of a sound is determined by the ________ of the vibrations
- 10. the measure of the amount of sound energy reaching your ears
- 11. The material the which sound travels from
- 14. observed change in the frequency (pitch) of a wave when the source or observer is moving
- 15. is a frequency that creates vibrations in the air
- 16. It is the lowest point in a wave
- 18. it is the highest point in a wave