Crossword spelling for reading

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Across
  1. 5. a flat area
  2. 7. to duplicate a document
  3. 10. a particle of light
  4. 12. a type of lens
  5. 13. from an other planet
  6. 14. someone who studies geology
  7. 15. below the earth
  8. 16. a tank for plants
  9. 19. a sea south of Europe
  10. 21. a surface of a place
  11. 22. to be protective of a piece of land
Down
  1. 1. the process of taking photos
  2. 2. when plants turn sunlight into energy
  3. 3. Some one who takes photos
  4. 4. the tempeture of the earths internal heat
  5. 6. study of shapes
  6. 8. nice looking in photos
  7. 9. relating to photography
  8. 11. a type of dog
  9. 16. a type of turtle
  10. 17. relating to geology
  11. 18. the science of location
  12. 20. a rock with crystals