change of state

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Across
  1. 5. A measure of how hot or cold something is.
  2. 8. A long distance away; not near. (e.g., "The particles in a gas are _____ apart.")
  3. 9. The state of matter where particles are close together and can slide past each other.
  4. 10. The form of energy that causes particles to move faster.
  5. 11. The state of matter where particles are far apart and move freely.
  6. 13. To reduce the temperature of something.
Down
  1. 1. The change in position.
  2. 2. The ability to do work.
  3. 3. Close to; not far away. (e.g., "The particles in a solid are _____ to each other.")
  4. 4. Another word for "solidify."
  5. 6. The process of a liquid turning into a solid.
  6. 7. The process of a solid turning into a liquid.
  7. 12. The state of matter where particles are close together and vibrate in place.