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| red, orange, yellow, green, glue, violet |
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| the change of direction (bending) of a ray of light when it travels from one medium to another because it travels at a different speed in a new medium |
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| the point at which light rays appear to come together |
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| the property of not transmitting light |
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| the bouncing back of a wave when it strikes a material that does not absorb or transmit all the wave's energy |
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| the property of scattering light as it passes through an object (blurry image) |
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| the study of light and vision |
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| a dark figure or image cast on some surface by an object blocking light |
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| property of allowing light to almost completely be transmitted (clear image) |
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| the matter (or material) through which energy travels |
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