Concept 3: Crossword Puzzle

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Across
  1. 4. The spreading out of gas particles to fill a container
  2. 6. State of matter with fixed volume but changing shape
  3. 9. Kinetic ________________ explains particle motion in matte
  4. 10. Extremely low-energy state of matter forming a “super atom”
  5. 11. State of matter with no fixed shape or volume
  6. 13. Measure of the average kinetic energy of particles
  7. 14. Liquid-to-gas change that occurs only at the surface
Down
  1. 1. State of matter with fixed shape and fixed volume
  2. 2. Energy needed to change a liquid into a gas
  3. 3. Energy needed to change a solid into a liquid
  4. 5. Stored energy
  5. 7. A physical change from solid to liquid
  6. 8. Energy of motion
  7. 12. State of matter made of charged particles