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Light Energy

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