STEAM

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Across
  1. 3. cool air is heavy so it will __
  2. 5. wind happens in the __
  3. 8. plants release __ or O2
  4. 10. let out
  5. 12. air particles close together
  6. 13. plants absorb __ from the soil
  7. 15. take in
  8. 16. plants absorb __ or CO2
Down
  1. 1. plants make __ in the leaves to eat
  2. 2. warm air is light so it will __ up
  3. 4. air particles far apart
  4. 6. plants transform sunlight energy into food energy
  5. 7. plants absorb __ or H2O
  6. 9. all plants need __ for photosynthesis
  7. 11. change
  8. 14. moving air particles