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Chapter 16 vocab

echo A reflected sound wave.
elasticity The ability of a material to bounce back after being disturbed.
density The ratio of the mass of a substance to its volume.
loudness perception of the energy of a sound.
intensity The amount of energy per second carried through a unit area by a wave.
decibel A unit to compare the loudness of different sounds.
pitch The description of how high or low sound seems to that person.
ultrasound sound wave frequencies that are above normal human range of hearing.
infrasound sound waves frequencies that are below normal human range of sound.
larynx Vocal cords located in the voice box.
Doppler effect The change in frequency of a wave as its source moves in relation to the observer.
music A set of notes that combine in patterns that are pleasing.
fundamental tone lowest natural frequency of an object.
overtone Higher natural frequency of an object.
acoustics Study of how sounds interact with each other.
reverberation echoes of a sound after the sound source stops producing sound.
ear canal A narrow region leading from the outside of the human ear to the eardrum.
ear drum A small tightly stretched
Created by: Jessica_leanne02