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13 Cards in this Set
- Front
- Back
Amplification
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The act of increasing sound or power.
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Decbel
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The unit of measuring the loudness of sounds.
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Frequency
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The speed at which something vibrates.
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Hertz
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How the frequency of a wave is measured.
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Medium
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The material that waves travet through (solid,liquid,gas).
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Pitch
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How low or high a sound is.
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Tension
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The action of stretching something tight.
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Vibrations
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To move back and forth rapidly.
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Angle of Reflection
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The angle that light rays bounce of a smooth obect.
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Energy
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Power or ability to do work.
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Opaque
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Materials that lets no light pass through.
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Translucent
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Materials that let so light in.
(frosted window) |
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Transparent
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Clear enough to be seen through.
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