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Word List: ray, absorb, transparent, opague, refract, convex lens, reflect, transmit, deffract, visible spectrum, concave lens, translucent

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Across: 3. to pass through 4. to bend 5. to bounce back 7. allows light to pass through but scatters it so that whatever is behind cannot be clearly seen 8. does not allow light to pass through 9. light energy that can be seen and can be broken into the colors of light in the rainbow 10. a narrow beam of light that travels in a straight line from a light source 11. a lens that is thinner in the middle than at the edges

Down: 1. to take in 2. to scatter 6. a lens that is thicker in the middle than at the edges 7. allows light to pass through so that whatever is behind can be seen