Photosynthesis

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Across
  1. 3. gas produced after photosynthesis
  2. 5. energy needed for photosynthesis to take place
  3. 7. green pigment that allows plants to absorb sunlight
  4. 8. place on plants where photosynthesis takes place
  5. 9. substances formed in a chemical reaction
Down
  1. 1. photosynthesis is a ________ reaction
  2. 2. chemical reaction that takes place in the chloroplasts of a plant cell
  3. 4. cell organelle where photosynthesis takes place
  4. 6. sugar that is produced in photosynthesis
  5. 10. what is needed for a reaction to take place