Phase Changes Crossword Puzzle

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Across
  1. 5. a change from a solid directly into a gas
  2. 8. a physical change in a state of matter
  3. 9. a refusal of the acceptance to let a liquid or gas flow
  4. 11. a form of matter that isn’t distinctly shaped but has a volume
  5. 16. the pressure of a vapor with its liquid or solid form
  6. 17. a form of matter that isn’t distinctively shaped or has a volume
  7. 18. a form of matter that is distinctly shaped and has a volume
  8. 19. a change from a solid to a liquid
  9. 20. the temperature in which a liquid boils
Down
  1. 1. at/near boiling point
  2. 2. a change from a liquid to a solid
  3. 3. a process that releases heat
  4. 4. a process that absorbs heat and cools surroundings
  5. 6. a change from a gas to a liquid
  6. 7. distinct forms of which matter can exist
  7. 10. the surface of a liquid
  8. 12. the temperature of which a liquid freezes
  9. 13. composed of crystal
  10. 14. a change from liquid to gas
  11. 15. no clear defined shape of volume