Across
- 3. Lens that are curved inward
- 7. Reflections that are the most common
- 9. Optical illusion
- 11. Flat mirror
- 12. An image that isn't a copy
- 13. a copy of an already existing image
- 15. Mirrors that are curved outward
Down
- 1. Rays that travel at many angles
- 2. When waves meet
- 3. A mirror that is curved inward
- 4. lens that are curved outward
- 5. Medium with light
- 6. Line passing through a curve of a lens
- 8. Piece of see through materials to take in light rays
- 10. A photo
- 14. Set of lines that go through materials.