Chemistry Phase Changes

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Across
  1. 2. The state of matter that has a definite shape and volume and whose particles are closely packed together
  2. 7. The change of state from a liquid to a gas
  3. 10. The change of a substance from one state of matter to another
  4. 11. The state of matter that does not have definite shape or volume and whose particles are spread far apart
  5. 14. The temperature at which a solid becomes a liquids
  6. 15. Heat energy is ____ as molecules slow down and move closer together
  7. 16. The state of matter that has definite volume, does not have definite shape, and whose particles are close together but able to flow easily
  8. 18. Anything that has mass and takes up space
  9. 19. The total energy of molecular motion in a substance
Down
  1. 1. The change of state from a solid directly to a gas
  2. 3. The change from a gas directly to a solid
  3. 4. The change of state from a gas to a liquid
  4. 5. The change from a liquid to a solid
  5. 6. The physical forms of matter which include solid, liquid, and gas
  6. 8. The temperature at which a liquid becomes a solid
  7. 9. The temperature at which a liquid boils and turns to vapor
  8. 12. Heat energy is ____ as molecules speed up and move farther apart
  9. 13. The measure of the average kinetic energy of particles in an object
  10. 17. The change from a solid to a liquid