Photosynthesis

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Across
  1. 2. Photosynthesis is a _________process
  2. 4. What does CO2¬ mean?
  3. 5. A waste product of photosynthesis that humans use in respiration
  4. 6. What does H2O mean?
  5. 7. What is the main sugar formed from photosynthesis?
  6. 8. A substance that increases the rate of a chemical reaction without being used up itself
Down
  1. 1. The green pigment in plants
  2. 3. Light energy comes from the
  3. 4. Photosynthesis takes place mainly in the ____________ of plants
  4. 9. The energy for photosynthesis is _____ energy