science vocab crossword puzzel

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Across
  1. 5. The temperature at which a liquid freezes.
  2. 6. A liquid’s resistance to flowing.
  3. 7. The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together, causing the surface to act as if it has a thin skin.
  4. 9. A principle that describes the relationship between the pressure and volume of a gas at constant temperature.
  5. 12. A state of matter that has no definite shape but has a definite volume.
  6. 13. A state of matter with no definite shape or volume.
  7. 15. The total kinetic and potential energy of all the particles of an object.
  8. 16. The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
  9. 17. The change of state from a liquid to a gas.
Down
  1. 1. A principle that describes the relationship between the temperature and volume of a gas at constant pressure.
  2. 2. The change of state from a gas to a liquid.
  3. 3. The change in state from a solid directly to a gas without passing through the liquid state.
  4. 4. The force pushing on a surface divided by the area of that surface.
  5. 8. How hot or cold something is; the measure of the average kinetic energy of the particles in a substance.
  6. 10. A state of matter that has a definite shape and a definite volume.
  7. 11. The temperature at which a liquid boils.
  8. 14. The temperature at which a substance changes from a solid to a liquid; the same as the freezing point, or temperature at which a liquid changes to a solid.