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VOCABULARY

TermDefinition
echo A reflected sound wave
Elasticity The ability of a material to bounce back after bieng disturbed.
Density How much matter, or mass, there is in a given amount of space,or volume.
Loudness Precipitation of the energy of a sound.
Itensity Amount of energy a sound wave carries per second through a unit area.
Decibal The loudness of different sounds is compared using a unit.
Pitch A sound that is high or low
Ultrasound Normal human range of hearing.
Infrasound Sounds with frequencies below the human range of hearing.
Larnyx vocal cords are located in your voice box.
Doppler Effect The change in frequency of a wave as its source moves in relation to an observer.
Causes of the sonic boom A huge amount of energy.
Fundamental tone Thye lowest natural frequency of an object.
Overtone The objects higher natural frequencies.
Acoustics The study of how sounds interact.
Reverberation In which the echoes of a sound are heard after the sound.
Ear canal It collects sound waves and directs them into a narrow region.
Ear drum A small tightly, stretched, drum like membrane.
Cochlea A fluid filled cavity shaoped like a snail shell.
Echolocation The use of reflected sound waves.
Sonar Uses reflected sound waves to detect and locate objects underwater.
Sonogram The device uses the reflected ultrasound waves to create a picture.
Created by: ltabbs
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