Plants~~~~ Gas Exchange

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Across
  1. 3. What gas do we need to live?
  2. 4. Where is carbon dioxide broken apart?
  3. 6. What do plants turn into oxygen?
  4. 7. How do animals and plants rely on each other?
  5. 8. Plants need ________ to turn carbon dioxide to oxygen?
Down
  1. 1. We rely on plants as a ___________________
  2. 2. What is the process used by plants to complete the gas exchange?
  3. 5. How does the carbon dioxide enter the plants?
  4. 7. What is a plants main source of food?
  5. 9. What colour plants photosynthesise?