Term
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Definition
| a disturbance that moves energy from place to place |
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Definition
| a harsh, unwanted, or unexpected sound |
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Definition
| a sound wave that bounces back toward its source and is heard again |
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Definition
| a vibration that can be heard |
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Term
| rough, soft, or fuzzy materials or surfaces |
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Definition
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Term
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Definition
| changes sound waves into electrical pictures seen on a graph |
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Term
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Definition
| how high or how low a sound is |
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Term
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Definition
| mechanical waves that travel through matter |
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Term
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Definition
| most sounds are heard through ___ |
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Term
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Definition
| objects that vibrate quickly |
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Term
| Smooth, hard materials or surfaces |
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Definition
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Term
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Definition
| the ability to see with sound |
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Term
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Definition
| the distance of one compression to the next in a sound wave |
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Term
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Definition
| the loudness or softness of sound |
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Term
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Definition
| the measurement of the intensity of sounds |
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Term
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Definition
| the number of waves in a sound wave that pass a point in one second |
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Term
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Definition
| the part of a sound wave where some particles of matter are pushed together |
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Term
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Definition
| the quality of a sound that distinguishes it from other sounds |
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Definition
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Definition
| used by doctors to help them see inside a person’s body without doing surgery |
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Term
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Definition
| used by scientists to help them find out about things underwater |
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Term
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Definition
| uses echos to look for things underwater |
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Term
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Definition
| uses echos to look inside a person's body |
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