Across
- 2. colorful part of the eye
- 3. the sphere is silvered on the inside
- 7. changes light to nerve signals so the brain knows what we are seeing
- 8. what is used to block out certain colors
- 10. rough surfaces have this type of reflection
- 11. part of the eye that lets us see color
Down
- 1. one of the 3 primary colors of light
- 4. helps the eye focus, made of clear tissue
- 5. the part of the eye that lets light in
- 6. when light waves change speed and make objects appear bent
- 9. something that light waves travel through
- 12. a place where light is blocked