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chapter 16 sound

terms and definition

echo when a sound wave is reflected
Elasticity material that can be bounce back after being disturbed
Density how much matter or mass an object has
Loudness the perception energy of a sound
Intensity the amount of energy a sound wave has or carries per second through a unit area
Decibel (db) comparing the loudness of different sound in units
Pitch description on how high or how low a note is
ultrasound sound waves that humans cant hear with the human range
infrasound sound that have frequencies below the human range of hearing
Larnyx is were your vocal cords are located
Doppler Effect change in frequency of a wave as the source moves in relation to an observer
What causes the doppler effect it is cause when a high pitch sound is heard from two places
What causes a sonic boom when a shock wave releases a huge amount of energy. people nearby hear a loud noise that is a sonic boom and that is how a sonic boom is caused
Fundamental Tone lowest natural frequency of an object.
overtone objects higher natural frequency
Acoustics study of how sound interacts with each other and its environment
Reverberation when sound reflects back and forth off a hard surfaces
Ear Canal narrow region
Ear Drum small tightly stretched drum like membrane
Cochlea fluid filled cavity that has the shape of a snail shell
Echolocation use of reflected sound wave that determine distance to locate objects
Sonar system that uses reflected sound waves to dectect objects under water
Sonogram uses ultra sound waves to creat an image
Created by: josehammer18