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chaper 16 sound

TermDefinition
Echo a reflected sound wave.
Elasticity material bouncing back after being disturbed.
Density how much mass is in a given space.
Loudness your perception of energy of a sound.
Intensity amount of energy a sound wave carries per second through a unit area.
Decibel (db) a unit for comparing different sounds.
Pitch how high or low a sound seems to a person
Ultrasound sound waves that are higher then human hearing.
Infrasound sound waves that are below the human hearing.
Larnyx a voice bow where our vocal cords are located.
Doppler Effect change in frequency of a wave as it moves in relation to an observer.
What causes the Doppler Effect? when a sound source moves, the frequency of the waves changes because the motion of the source adds to the mention of the waves.
What causes a sonic boom? when shock waves passes by a person.
Fundamental Tone the lowest natural frequency of an object.
Overtone the object's higher natural frequencies.
Acoustics is the study of how sounds interact with each other and the environment.
Reveberation the echoes of a sound are heard after the sound source stop producing sound waves.
Ear Canal a narrow region that collects sound waves.
Ear Drum is a small, tightly stretched, drum like membrane.
Cochlea The inner most part of your ear.
Echolocation "seeing" where something is by using sound waves.
Sonar a system that reflects sound to find location and see objects underwater.
Sonogram a device that uses the reflected ultrsound waves to create a piture.
Created by: allanalove123456