States of Matter & Phase Changes Crossword

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Across
  1. 8. Solids whose particles are not arranged in a regular pattern
  2. 9. Vaporization that takes place only on the surface of a liquid
  3. 11. The temperature at which a solid changes to a liquid
  4. 12. The temperature at which a liquid boils
  5. 13. Solids that are made up of crystals
  6. 15. A substance that flows
  7. 16. State of matter that has neither a definite shape, nor a definite volume
  8. 17. State of matter that has a definite volume, but no definite shape of its own
  9. 18. The change of state from a gas to a liquid
Down
  1. 1. The change of state from a liquid to a solid
  2. 2. An inward force, or pull, along the molecules in a liquid that brings the molecules on the surface closer together
  3. 3. The change of state from a liquid to a gas
  4. 4. Vaporization that takes place both at and below the surface of a liquid
  5. 5. The change of state from a solid to a gas
  6. 6. The force exerted by gas particles as they collide with one another and the walls of their container
  7. 7. A liquid's resistance to flowing
  8. 10. The change in state from a solid to a liquid
  9. 14. State of matter that has a definite shape and volume