Across
- 2. a light beam bends as it passed into a differnt medium
- 5. some light passes through
- 6. the entire range of solar radiation, the electromagnetic ___
- 8. protective outer layer of the eye, help focus light
- 9. back of the eye, turns light into electrical signals
- 11. sits behind the pupil and helps to focus light
- 14. light is absorbed or bounces off, none passes through
- 15. the ray of light that is entering
- 16. sends electrical signals to the brain, to see the image
Down
- 1. energy of movement
- 3. light passes through perfectly
- 4. the ability to do work
- 5. heat energy
- 6. a type of enegy created by the Sun
- 7. coloured part of the eye
- 10. energy you hear
- 11. a type of energy which is required for sight
- 12. a source of energy which never runs out (wind, sun, tides)
- 13. the ___ light beam bounced off the surface