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12 Cards in this Set
- Front
- Back
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Eardrum
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the tough membrane about 0.1 mm thick
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Cochlea
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a spiral shaped structure that is filled with liquid and contains tiny hair cells
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Intensity
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the amount of energy that flows through a certain area in a specific amount of time
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Loudness
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the human perception of sound intensity
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Decibel
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unit on the scale for sound intensity
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Pitch
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how high or low a sound seems to be
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Ultrasonic
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sound frequencies above 20,000 Hz
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Doppler effect
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the change in pitch or wave frequency due to a moving sound source
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Reverberation
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the echoing effect produced by many reflections of sound
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Acoustics
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the study of sound
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Echolocation
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the process of locating objects by emitting sounds and interrupting the sound waves that are reflected back
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Sonar
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a system that uses the reflection of underwater sound waves to detect objects
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