The Structure of Matter

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Across
  1. 3. The temperature at which an object starts to melt
  2. 6. The temperature at which an object starts to boil
  3. 9. packed more closely together
  4. 10. The temperature at which an object starts to freeze
  5. 12. Matter that can change its shape but NOT its volume, particles slide back and forth
  6. 13. Process by which matter changes to a different form
  7. 14. the measure of the average kinetic energy of the particles
  8. 15. A form of matter
Down
  1. 1. change of state from a liquid to a gas
  2. 2. Matter that cannot change its shape or volume, particles vibrate
  3. 4. The energy of an object caused by its motion
  4. 5. The force that pulls particles of matter together
  5. 7. Matter that can change shape and volume, particles are free moving
  6. 8. The total kinetic energy of all the particles in a substance
  7. 11. To make small, quick movements in one place
  8. 13. process of a gas changing state to a liquid