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Sound Vocabulary

Echo A reflected sound wave.
Elasticity The ability of a material to bounce back after being disturbed.
Density How much matter, or mass, there is in a given amount of space, volume.
Loudness Your perception of the energy of sound.
Intensity The amount of energy a sound wave carries per second through a unit area.
Decibel The loudness of different sounds.
Pitch A distinction of how high or hoe low the sound seems to a person.
Ultrasound Sound waves with frequencies above the normal human range of hearing.
Infrasound Sounds with frequencies below the normal human hearing range.
Larnyx Two flods of tissue that make up the Voice box, were vocal cords are located
Doppler Effect The change in frequency of a wave as its source moves in relation to an observer.
Causes Doppler Effect When a sound source moves, the frequency of the wave changes because the motion of the source adds to the motion of the waves.
Causes Sonic Boom People hear this when a shock wave passes by them.
Fundamental Tone The lowest natural frequency of an object.
Overtone The objects higher natural frequencies.
Acoustics The study of how sounds interact with each other and the environment.
Reveration In which the echoes of a sound are heard after the 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, drum like membrane in the ear.
Cochlea A fluid-filled cavity shaped like a snail shell.
Echolocation The use of reflected sound waves to determine distance or locate objects.
Sonar A system that uses reflected sound waves to detect and locate objects underwater.
Sonogram Uses the Reflected ultraviolet waves to create a picture.
Created by: Billie22