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MPMS Sound
MPMS Catch a Wave 2 Sound
Term | Definition |
---|---|
amplitude | Volume of a wave (height of a wave) |
amplitude | measured in decibels (dB) |
frequency | Pitch, high or low (length of a wave) |
frequency | 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 cells that shake back and forth) that respond to sound |