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science vocab (sound

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
translucent   allow only some light to pass through  
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transparent   allowing light to pass through  
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volume   the loudness of a sound  
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pitch   how high or low a sound is  
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frequency   the number of vibrations per second  
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vibration   a back and forth movent of matter  
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refection   the bouncing of light off a surface  
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opaque   not allowing light to pass through  
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convex lens   a lens that is thicker at the center than it is at the edges  
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concave lens   a lens that is thicker at the edges than it is at the center  
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refraction   the bending of light as it moves from one material to another  
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Created by: awesome dude
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