Across
- 8. water dissolves salt
- 10. compounds with a carbon backbone
- 11. less dense than liquid water because it expands at 4 degrees C
- 14. water is attracted to water
- 15. a mixture of sand and water
- 16. monomers of protein
- 17. the energy needed to start a reaction
Down
- 1. solution with a pH of 7
- 2. the macromolecule that makes up our hair, skin and nails
- 3. cholesterol is an example of this macromolecule
- 4. more OH- ions in water
- 5. sugar is dissolved in water
- 6. two atoms of hydrogen and one oxygen atom combined covalently
- 7. salt is evenly distributed in water
- 9. protein catalysts that speed up chemical reactions
- 12. water is attracted to xylem in a tree
- 13. monomers of nucleic acids
- 18. more H+ ions in water