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science ch10voc

science

QuestionAnswer
Eardrum is a tough membrane about 0.1 mm thick that transmits sound from the outer ear to the middle ear
Cochlea is a spiral-shaped structure that is filled with liquid and contains tiny hair cells
intensity is the amount of energy that passes through a certain area in a specific amount of time
Loudness is the human perception of sound volume and primarily depends on sound intensity
Decibel is a unit of sound intensity
Pitch is how high or low a sound seems to be
Doppler effect is the change in wave frequency due to a wave source moving relative to an observer or an observer moving relative to a wave source
Music is any collection of sounds that are deliberately used in a regular pattern
Sound quality describes the differences between sounds of the same pitch and loudness
Overtone is a vibration whose frequency is a multiple of the fundamental frequency
Resonator is hollow chamber filled with air that amplifies sound when the air inside of it vibrates
Acoustics is the study of sound
Echolocation is the process of locating objects by emitting sounds and then interpreting the sound waves that are reflected from those objects
Sonar is a system that uses the reflection of underwater sound waves to detect objects
Ultrasound is sound with frequency above 20,000 hz and cannot be heard by humans
Created by: amgrace
 

 



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