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science ch10

QuestionAnswer
Eardrum Membrane that vibrates the bones of the middle ear
Cochlea Fluid-filled structure of the inner ear that contains hair cells
Intensity Amount of sound energy that flows through a given area in a given time
Loudness The way the brain perceives the intensity of sound
Pitch The highness or low-ness of a sound
Ultrasonic waves Sounds with frequencies above 20,000 Hertz
Doppler effect The change in Pitch of a sound caused by motion of either the Sound Source or the receiver
Quality Difference between sounds of the same frequency caused by overtones
Music A combination of sounds and distinct pitches following a specific pattern
Overtones Multiples of the fundamental frequencies
Resonator The part of the violin that amplifies the sound of the strings
Reverberation Unpleasant Echo effect caused by many sound reflections
Acoustics The study of sound
Echolocation Finding objects by emitting sound waves and interpreting the reflected sound
sonar Used to locate objects under water by the reflection of sound waves
An increase in temperature will_______ The speed of The sound wave Increase
The pitch of the siren On a rapidly approaching fire truck will Increase
Increasing the Frequency of a sound wave will change the ____ Of a sound Pitch
We cannot hear the sounds made by some heavy machinery because the frequencies are in the____ Infrasonic wave
Compare and contrast noise and music Noise is random frequencies and pitches
Compare and contrast noise and music Are pitches deliberately used in a regular pattern
If the amplitude of a sound wave decreases what happens to its loudness intensity pitch and speed Loudness and intensity decrease pitch and speed stay the same
A train is blowing its whistle as it is approaching you at a Crossing what happens to the list intensity speed frequency and wavelength Intensity and speed stay the same frequency increases in the wavelength decreases
Created by: amgrace
 

 



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