Across
- 5. the splitting up of a light ray
- 9. bringing light rays together
- 10. a motion that continuously repeats
- 12. a material that allows no light to pass
- 13. the hole in the front of your eye
- 14. band produced when lights spread out
Down
- 1. the lens that spreads light out
- 2. bends light rays toward each other
- 3. a triangular shaped glass
- 4. a material that allows radiation
- 6. transparent layer in the front of the eye
- 7. sends signals to the rest of the body
- 8. gives out light
- 9. spreads out light waves
- 11. layer at the back of the eye