light crossword puzzle for people

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Across
  1. 2. light that was created by man
  2. 4. energy created by motion
  3. 6. the study of light
  4. 7. energy that can be seen by human eyes
  5. 10. energy that is created by nuclear activity
  6. 11. light passes through a solid object
  7. 12. energy created by chemicals
  8. 14. light source that turns ultraviolet light to turn into a particle then into visible light
  9. 16. light gets absorbs by a solid object
  10. 17. material that allows for some not all light to get through
  11. 19. emits light
  12. 20. energy created by heat
  13. 22. light reflects off a solid object
  14. 24. light created that wasn't created by man
  15. 25. electricity heats up a filament causing light
Down
  1. 1. chemical reaction happens in an organism causing light
  2. 3. material that allows all light to go through
  3. 5. electrical that turns into visible light
  4. 8. chemical reaction causes a light source to be made
  5. 9. the inventor of physics and optics
  6. 13. energy that is created by electricity
  7. 15. material that allows no light to pass through
  8. 18. doesn't emit light or reflects light
  9. 21. similar to fluorescent light but lasts longer
  10. 23. the path light takes