Across
- 2. layer of cells that line the inside of the eyeball
- 4. material that reflects or absorbs all of the light that strikes it
- 5. opening through which light enters the inside of the eye
- 6. transparent front surface of the eye
- 7. image seen in a plane mirror
- 9. gives eye its color
- 10. a material that transmits most of the light that strikes it
- 11. material that scatters the light that passes through it
- 12. colored substance
- 13. curved piece of glass that refracts light
- 15. forms enlarged images of tiny objects
- 16. copy of the object formed by reflected or refracted rays of light
- 17. mirror with a surface that curves outward
- 18. cells that respond to color
Down
- 1. image formed when lights rays actually meet
- 2. the index of ______ is a measure of how much a light ray bends when it enters a medium
- 3. objects in distance are blurry
- 5. three colors that can combine to form any other color
- 8. objects nearby are blurry
- 14. mirror with a surface that curves inward
- 15. image of a distant object caused by the refraction of light