A ____ object can give off light. A ____ object can't give off light. The ____ of light is called reflection. Light can change ____ if it passes through different media. A lens is a curved piece of ____. ____ lens is thicker at the edges. ____ lens is thicker at the center. We can see things because they ____ light into our eyes. A concave lens bends the light rays ____ from each other. The ____ is where all the rays meet in a convex lens.

Light

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