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Light Energy

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Across
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Travels in a straight line until it strikes an object and is reflected or travels through one medium to another and is refracted.
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Describes materials that allows light to pass through it completely
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Light bouncing off an object
Down
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Describes materials that do not let any light pass through them
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Bending of light
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Describes materials that allows some light to pass through, but not all
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A clear piece of curved glass or plastic that bends light to focus or spread the light rays