Across
- 4. Bending of a light wave when it passes through an object.
- 5. Type of reflection that creates clear images.
- 6. Refraction _____ determines the speed reduction of light through a material.
- 9. Type of ray that strikes the surface of an object.
- 11. Material that allows light to pass through without scattering it.
- 13. Lens that focuses light.
- 15. Type of wave that is created by vibrating electric charges.
- 16. Hole that allows light to enter the eye.
Down
- 1. Materials that do not allow for light to pass through them.
- 2. Type of ray that is refracted by a material after impact.
- 3. Organ used for sight.
- 7. Type of reflection that does not create clear images.
- 8. Controls the size of the pupil.
- 10. Lens that disperses light.
- 12. Created by sunlight refracted through rain in the air.
- 13. Transparent part of the eye that protects it.
- 14. ______ perception is another name for sight.