Across
- 3. What something does (8 letters)
- 5. The back of the eye that senses light and sends messages to the brain (6 letters)
- 6. What comes from the Sun and lamps and makes it possible to see (5 letters)
- 8. Organ that receives messages from the retina (5 letters)
- 9. To take something apart to study it (7 letters)
- 13. The clear layer in front of the eye (6 letters)
Down
- 1. The dark opening in the center of the eye (5 letters)
- 2. A pretend version used when the real thing is too big or complex (5 letters)
- 4. The ability to see (6 letters)
- 7. The colored part of the eye shaped like a donut (4 letters)
- 10. The specific form and shape of something (9 letters)
- 11. A test used to discover new information (10 letters)
- 12. Changes the direction of light as it passes through (4 letters)