Science

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