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Sound Vocab (CH16)

Sound Vocabulary

TermDefinition
echo A reflected sound wave.
elasticity The ability of a material to bounce back after being disturbed.
density Is how much matter, or mass, there is in a given mount of space or volume.
loudness Describes your perception of the energy of a sound.
intensity The amount of energy a sound wave carries per second through a unit area.
decibel The loudness of different sounds is compared using a unit.
pitch description of how high or low the sound seems to a person
ultrasound sound waves with frequencies above the normal human range of hearing
infrasound sound with frequencies below the human range of hearing
larynx voice box
doppler effect the change in a frequency of a wave as its source moves in relation to an observe
music set of notes that combine in patterns that are pleasing
fundamental tone The lowest natural frequency of an object.
overtone A natural frequency that is multiplied of the fundamental tone’s frequency
acoustics The study of how sounds interact with each other and the environment.
reverberation The echoes of a sound that are heard after a sound source stops producing sound waves.
ear canal A narrow region leading from the outside of the human ear to the eardrum.
ear drum A small, tightly stretched, drumlike membrane in the ear.
cochlea A fluid-filled cavity in the inner ear that is shaped like a snail shell
echolocation The use of reflected sound waves to determine distances and locate objects
sonar A system that uses reflected sound waves to detect and locate objects underwater
sonogram An image formed using reflected ultrasound waves
Created by: rkennedys