6th grade science vocab

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Across
  1. 4. molecule cells need that comes from air
  2. 8. system in the body that breaks down molecules
  3. 10. the comparison of size of objects
  4. 13. large molecule that glucose comes from
  5. 14. microorganisms that live in or on another organism
  6. 15. molecule that comes from meats and beans
  7. 16. special drugs that treat bacterial infections
  8. 17. the ability to do work or change things
Down
  1. 1. system that takes in oxygen to the body
  2. 2. living things that are too small to be seen with your eyes
  3. 3. a group of two or more atoms joined together
  4. 5. "the cell's battery"
  5. 6. living things like animals, plants, etc.
  6. 7. special tool to see small things
  7. 9. molecule cells need that come from fruits and veggies
  8. 11. the way our bodies use molecules for energy and cell growth
  9. 12. system that moves molecules through the body