Physical and Chemical changes

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Across
  1. 1. spreading of something more widely (usually in reference to gasses)
  2. 4. measured in kilograms
  3. 5. a solid that is produced when reaction two solutions
  4. 7. what water is doing at 100 degrees
  5. 9. measured in cubic metres
  6. 11. crushing is an example of a ____________ change
  7. 13. theory that describes everything to be made of small lumps of stuff
  8. 16. the phase transition from solid to gas
  9. 17. the phase transition from solid to liquid
  10. 18. colour change is an example of a ___________ change
Down
  1. 1. the process of a gas turning into a solid
  2. 2. the phase transition from liquid to solid
  3. 3. measured in kilograms per cubic metre
  4. 6. the process of a gas turning into a liquid
  5. 8. a chemical reaction that gives out heat is said to be ______________
  6. 10. the action of becoming larger or more extensive
  7. 12. a solute mixed in a solvent is called a _______________
  8. 14. breaking down of something is _______________
  9. 15. a chemical reaction that takes in heat is said to be ______________