Across
- 2. absorbs most amount of heat
- 4. initials for the colors in a rainbow
- 5. light bounces off an object
- 8. bending of light
- 10. process which light passes through an object
- 13. opening in the center of the eye in which light enters
- 14. cells that respond to and detect color
- 15. peak of a wave
- 18. layer of cells that line the inside of the eye
Down
- 1. height of a wave
- 3. protective transparent front surface of the eye
- 5. cells that detect dim light
- 6. changes the shape of the lens
- 7. light scatters as it passes through an object
- 9. process in which an object takes in all light
- 11. short thick nerve that carries signals from eye to brain
- 12. curved transparent material in eye that bends light
- 16. ring of muscle that controls the size of pupil
- 17. light cannot pass through this object
