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| An observed change in the frequency of a wave when the source of observer is moving away or towards the other. |
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Definition
| A phenomena that can occur when 2 objects vibrate at the same frequency that increases the amplitude and causes other objects to vibrate |
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| A type of mechanical wave that travels through a medium. |
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Definition
| A type of sound wave that travels at a frequency greater than the human range of hearing. Used by organisms such as bats and porpoises to locate prey and obstacles. |
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Definition
| A type of sound wave that travels at a frequency lower than the human range of hearing. |
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Definition
| A term that describes the frequency of a sound wave. A high pitch refers to a high frequency wave; a low pitch refers to a low frequency wave. |
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| The unit of measurement for the intensity of sound. (dB) |
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Definition
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| Parts of the Human Ear (diagram and label with a description of what each part does) |
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Definition
| earflap, ear canal, middle ear parts, simicircular canals, inner ear cochlea, outer ear, inner ear, middle ear. |
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