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Physical Science Chapter 16

Change in frequency as source moves
Wind instrument
Unit used to measure loudness
First pilot to break sound barrier
Reflected sound wave
Lowest natural frequency
Perception of frequency of sound
Tightly stretched membrane in ear
Percussion instrument
Best granddaughter ever
Study of how sounds interact
Use of reflected sound waves to create a picture
String instrument
Tones & overtones that are pleasing
Echoes after sound source stops
What Grandpa Don wears
Perception of the energy of a sound
Frequences about 20,000 Hz
Multiple fundamental tones
Use of sound waves to locate objects
Frequencies below 20 Hz
Fluid-filled cavity
Voice box
Region leading from outside of ear to eardrum
Way to find objects underwater