Processes around matter

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Across
  1. 2. refers to space
  2. 3. liquid moving up a tiny tube by this action
  3. 5. solid film like layer at the top of water
  4. 9. water moving into dry peas
  5. 10. Bubbles are seen
  6. 13. bonding of unlike substances
  7. 14. occurs at the surface
  8. 16. bonding of like particles
  9. 17. ability to do work
  10. 18. synonym for melting
Down
  1. 1. synonym for balance
  2. 4. movement of particles from region of high concentration to region of low concentration
  3. 6. random movement of particles from collision between particles
  4. 7. creates Dew
  5. 8. changing from liquid to solid
  6. 11. used to refer to a liquid form of a solid
  7. 12. synonym for state
  8. 15. Dry Ice undergoes