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Catch a Wave 3
Catch a Wave List 3
| Term | Definition |
|---|---|
| Amplitude | Volume of a wave (height of a wave) – measured in decibels (dB) |
| Frequency | Pitch, high or low (length of a wave) – 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 |
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