SCIENCE

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Across
  1. 3. Mirrors that cave in
  2. 4. The likeness of an object
  3. 5. A mirror having a flat surface
  4. 7. To send out energy in the form of waves or rays
  5. 8. Light produced by chemical reactions inside the bodies of living creatures
  6. 10. Allows all light to pass through
  7. 14. Not allowing any light to shine through
  8. 16. Travel out in all directions
  9. 17. Mirrors that bulge out
  10. 18. Are a source of natural light
Down
  1. 1. The emission of visible light by a hot surface
  2. 2. The angle of reflection equals the angle of incidence
  3. 6. The process in which light strikes and bounces back off that surface
  4. 9. The light that strikes a reflecting or refracting material
  5. 11. Change light into electricity
  6. 12. The bending of light
  7. 13. Allowing some light to pass through
  8. 15. Giving off its own light