Glucose in plants

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Across
  1. 4. What turns blue/black when in contact with iodine
  2. 6. The gas produced in photosynthesis
  3. 7. a type of sugar used in photosynthesis
  4. 8. The chemical of the symbol O
  5. 9. What amino acids join together to make
Down
  1. 1. A process where glucose reacts with oxygen
  2. 2. What glucose cells join together to make
  3. 3. The chemical reaction that turns carbon dioxide and water into glucose and oxygen
  4. 5. The liquid used in the photosynthesis reaction