Phases of Matter

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Across
  1. 2. A state of matter with a definite shape and definite volume
  2. 4. Force exerted by a gas
  3. 6. A measure of the average kinetic energy of the particles in a material
  4. 8. The opposite of vaporization
  5. 9. State of matter with a definite volume, but not definite shape
  6. 10. Occurs within a liquid and at the surface of a liquid
  7. 11. The temperature at which a solid melts to become a liquid
  8. 12. Water in its invisible gas form
Down
  1. 1. Vaporization that takes place at the surface of a liquid
  2. 2. Occurs when a substance changes directly from a solid to a gas
  3. 3. The temperature at which a liquid becomes a solid
  4. 5. The temperature at which a liquid boils
  5. 7. State of matter with no definite volume or shape