Changes of state

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Across
  1. 1. temperature of a gas at constant pressure is increased,its volume increases
  2. 2. the total kinetic and potential energy of all the particles in an object or substance
  3. 5. the change in state from a liquid to a gas
  4. 7. the temperature at which a liquid boils
  5. 8. the temperature at which a substance changes from a solid to liquid
  6. 9. a measure of the average kinetic energy of the particles in an object or substance
  7. 11. the temperature at which a liquid freezes
  8. 14. an inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together
  9. 16. the relationship bewtween the pressure and the volume of a gas
Down
  1. 1. the change in state from a gas to a liquid
  2. 3. vaporization that takes place only on the surface of a liquid
  3. 4. has a definite volume but no shape of its own
  4. 6. occurs when the surface particles of a solid gain enough energy that they form a gas
  5. 10. the force of its outword push over an area
  6. 12. a state of matter with no definite shape or volume
  7. 13. a liquid's resistance to flowing
  8. 15. has a definite shape and a definite volume