photosynthesis

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Across
  1. 2. organelle where photosynthesis occurs
  2. 3. ion is needed to make chlorophyll
  3. 4. product of photosynthesis that can be stored as starch
  4. 7. microscopic holes allow for gas exchange
  5. 8. soda lime should ______ all carbon dioxide
  6. 9. plants are the _____ in a food chain
  7. 11. process plants convert light energy into chemical energy
  8. 13. helps to extract chlorophyll and help remove the green color of the leaves
  9. 14. ______ epidermis have a large number of stomata
  10. 17. provides wood with support and strength
  11. 18. one of raw materials needed for photosynthesis to happen
  12. 19. organ that carry out photosynthesis
  13. 20. gas expelled by plants during photosynthesis
Down
  1. 1. _____ mesophyll layer that contains many chloroplast
  2. 5. pigment that absorbs light
  3. 6. solution used to test for starch
  4. 10. process breakdown nutrients to release energy
  5. 12. _____ mesophyll layer that contain many air spaces
  6. 15. to test for chlorophyll requirement, we can use ___ leaves
  7. 16. _________ cell responsible for opening and closing of stomata
  8. 18. leaf has ____ cuticle to stop too much water lost by transpiration