change of state

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Across
  1. 1. Conserved in a change of state.
  2. 6. Happens to density when particles spread out.
  3. 8. Measured in metre cubed.
  4. 10. Fluid state having particles close together.
  5. 11. Changing from liquid to gas below boiling point.
  6. 12. Change that is easy to reverse.
Down
  1. 2. Converting between the solid and gaseous state directly.
  2. 3. Changing from liquid to solid.
  3. 4. Change that creates new substances.
  4. 5. Defined as mass/volume.
  5. 7. Unit of mass.
  6. 9. Needed to transfer for a change of state.