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7th grade waves

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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Term
Definition
waves   show
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show causes particles in matter to move back and fourth at right angles  
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compressional waves   show
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show the distance between one point on a wave and the nearest point moving with the same speed and direction  
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frequency   show
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law of reflection   show
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show the change in direction of a wave when it changes speed as it travels from one material to another  
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diffraction   show
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show materials that let no light through  
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show materials that let some light go through  
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show lets all light through  
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show when light bounces off an object  
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show when light is taken into an object  
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show when light goes through an object  
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loudness   show
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show how it sounds/quality(high, medium, or low)  
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show the location of where the sound reflects  
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echo   show
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show the increase or decrease of sound, light, or other wave as a person moves closer of further from the other person  
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Created by: asegundo
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