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Catch a Wave List 2
Sound vocabulary
Term | Definition |
---|---|
amplitude | volume of a wave (height of a wave) - measured in decibels (dB) |
frequency | pitch, high or low (# of wavelengths) - measured in Hertz (Hz) |
loudness (volume) | your perception of the energy of the sound |
pitch | the perceived frequency of sound |
sound | vibrations that travel through air or another medium and can be heard when they reach a person's or animal's ear |
vocal cords | a pair of flaps on either side of the larynx that are responsible for the production of sound including speech |
Hertz (Hz) | used to measure the frequency of sound (pitch) |
Decibels (dB) | used to measure the amplitude of sound (loudness or volume) |
outer ear | the pinna, ear canal, and ear drum make up the outer ear |
middle ear | has the smallest bones in the body; the hammer, anvil and stirrup |
inner ear | the cochlea is a snail-shaped tube that is lined with receptors (tiny hair-like cells that shake back and forth) that respond to sound |