Biology

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Across
  1. 3. bond cause water molecules to attract to each other
  2. 6. natural sugar in milk
  3. 8. monosaccharides
  4. 10. no charge
  5. 11. polysaccharide
  6. 12. compounds made from carbon,hydrogen
  7. 14. molecule made from two hydrogen atoms and 1 oxygen atom
  8. 16. make up everything
  9. 17. negatively charged
  10. 18. acid macromolecules contains hydrogen,oxygen,nitrogen,carbon,phosphorus
Down
  1. 1. positively charge
  2. 2. containing or made from milk
  3. 4. substance made from atoms
  4. 5. reaction changes one set of chemicals
  5. 7. most common element
  6. 8. element carbon,hydrogen,oxygen
  7. 9. proteins,lipids,carbohydrates,
  8. 13. atom or molecule with negative/positive charge
  9. 15. structure nucleus+protons+neutrons
  10. 17. chemical reactions need them to speed up