Photosynthesis

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Across
  1. 2. is the pigment that gives plants their green color
  2. 3. The process in which a plant turns light into energy
  3. 5. The citric acid cycle
  4. 6. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration
  5. 7. is the chemical element with the symbol O and atomic number is the chemical element with the symbol O and atomic number 8
Down
  1. 1. a plastid that contains chlorophyll and in which photosynthesis takes place
  2. 4. a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances
  3. 8. a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.