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Published byDesiree Branch Modified over 10 years ago
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Ch. 14 Science Vocabulary Preview
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compression
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A compression is the party of the sound wave where the particles are bunched together.
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frequency
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The frequency of a wave is the number of waves that pass a point in a certain amount of time.
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wavelength
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A wavelength is the distance between a point on one wave and a similar point on the next wave.
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pitch
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A pitch is what makes a sound seem high or low.
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reflection
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Reflection occurs when light rays bounce, or reflect, from a surface back to our eyes.
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transparent
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If something is transparent, light rays pass through it. You can clearly see what is on the other side.
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translucent
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Materials that let some light through but scatter other rays are translucent. The other side looks blurry.
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opaque
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Materials that do not let light pass through are opaque. You cannot see through it.
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refraction
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When light passes through and changes direction.
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