Particle Theory Crossword

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Across
  1. 2. Change from solid to liquid
  2. 5. When particles move closer together; substances decrease in size
  3. 7. Change from liquid to gas at the surface
  4. 8. State of matter with a fixed shape and volume
  5. 10. Rapid change from liquid to gas throughout the liquid
  6. 11. State of matter with no fixed shape or volume
  7. 12. The smallest units that make up matter
  8. 14. What is added to increase particle movement
Down
  1. 1. Change from solid directly to gas
  2. 3. The energy of moving particles
  3. 4. Change from liquid to solid
  4. 5. Change from gas to liquid
  5. 6. Change from gas directly to solid
  6. 9. State of matter that takes the shape of its container
  7. 13. When particles move further apart; substances increase in size