Sigma puzzle

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Across
  1. 3. tiny openings present on the epidermis of leaves
  2. 5. the cycle of enzyme-catalyzed dark reactions of photosynthesis that occurs in the chloroplasts of plants
  3. 8. Glocose
  4. 9. a form of electromagnetic radiation.
  5. 11. Carbon
  6. 12. O2
  7. 13. a substance that is present at the end of a chemical reaction.
Down
  1. 1. Water
  2. 2. a substance that changes in a chemical reaction.
  3. 4. The process by which organisms transform light energy into chemical energy.
  4. 6. responsible for photosynthesis,
  5. 7. H2O
  6. 8. CO2
  7. 10. C6H12O6
  8. 12. Oxygen