It refers to a material’s taking in of light through some materials., pencil inside the glass, aquarium, frosted glass door, It refers to a material’s taking in of light through some materials., frosted glass, mirror, green leaf, It refers to the bouncing back of light when it hits an object. light when it hits an object., sunglasses, looking in a mirror, pencils inside the glass, Materials allow all light to pass through them., hollow blocks, looking in a mirror, magnifying glass, Materials do not allow light to pass through them., magnifying glass, frosted glass, sunglasses.

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