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22 Cards in this Set
- Front
- Back
a reflected sound wave
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echo
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the ability of a material to bounce back after being diturbed
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elasticity
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the ratio of the mass of a substance to its volume
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density
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perception of the energy of a sound
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loudness
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the amount of energy per second carried through a unit area by a wave
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intensity
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a unit used to compare the loudness of different sounds
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decibels (dB)
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perception of the frequency of a sound
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pitch
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sound waves with frequencies above 20,000 Hz
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ultra sound
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sound waves with frequencies below 20 Hz
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infra sound
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two folds of tissue that make up the human voice box
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larynx
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the change in frequency of a wave as its source moves in relation to an observer
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doppler effect
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a set of tones and overtones combined in a way that is pleasing
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music
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the lowest natural frequency of an object
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fundamental tone
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a natural frequency that is a multiple of the fundamental tone's frequency
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overtone
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the study of how sounds interact with each other and their surroundings
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acoustics
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the echoss of a sound that are heard after a sound source stops producing sound waves
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reverberation
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a narrow region leading from the outside of the ear to the eardrum
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ear canal
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a small tightly stretched drumlike membrane in the ear
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ear drum
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a fluid filled cavity in the ear that is shaped like a snail shell
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choclea
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the use of reflected sound waves to determine distances or to locate objects
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echolocation
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a sustem that uses reflected sound waves to detect and locate underwater objects
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sonar
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an image formed using reflected ultrasound waves
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sonogram
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