Across
- 4. The light that enters your eyes (what a person sees)
- 5. No light can transmit through it. All light reflects off the object
- 6. Objects that can transmit most of the light that shines on an object
- 8. The path the electrical signal takes from the retina to the brain
- 10. An object which some light can pass through (semi-transparent)
- 11. When light passes through an object
Down
- 1. A thick layer of smooth metal such as silver is added to the back of glass
- 2. The direction light travels
- 3. When light changes direction as it bounces off a transparent object or medium
- 4. A scientific measure of light for a given area
- 5. A mirror where you can see through it on one side and a reflection on the other side
- 7. When light bounces off an object
- 9. A lining at the back of the eye that changes the light input into electrical signals