Phases of Matter Crossword Puzzle

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Across
  1. 2. solid with repeating pattern
  2. 7. definite volume, indefinite shape
  3. 8. solid with no repeating pattern
  4. 9. reactions that require energy
  5. 11. reactions that give off heat
  6. 12. phase changes are ______ changes (chemical or physical?)
  7. 13. no definite shape or volume
  8. 14. phase change from liquid to solid
  9. 16. _________ Molecular Theory states that molecules are always in motion
  10. 17. phase change from gas to liquid
  11. 19. vaporization throughout the liquid
  12. 20. phase change from gas to solid
Down
  1. 1. vaporization at the surface
  2. 3. the most common example of plasma
  3. 4. the resistance of molecules to flow
  4. 5. phase change from liquid to gas
  5. 6. law of ________ of energy states that energy cannot be created or destroyed
  6. 10. phase change from solid to gas
  7. 12. superheated gas; electrons removed
  8. 15. phase change from solid to liquid
  9. 18. definite shape and volume