Across
- 2. keeps pH stable
- 3. tension allows some insects to walk on water
- 7. water clings to other surfaces
- 9. shown to the right of the arrow
- 10. sharing electrons
- 11. sweating reduces heat
- 12. made of water but less dense
- 13. low pH
- 14. positively charged sub-atomic particle
Down
- 1. pH 7
- 4. substance that cannot be broken down further
- 5. attracted to water
- 6. name of an atom
- 7. protons plus neutrons
- 8. attraction between opposite charges