Day 2

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Across
  1. 1. a process of events
  2. 6. a hard thing
  3. 8. can be observed in a chemical reaction
  4. 10. a change of materials
  5. 11. when a liquid becomes cold and becomes a solid
  6. 13. less rigid than a solid and more rigid than a gas
  7. 14. easily set on fire
  8. 15. super heated matter
  9. 17. when a solid becomes hot or cold and becomes a liqid
  10. 18. when a liquid becomes vapor from a hot surface
  11. 20. liquid turns into gas
Down
  1. 1. something that has mass and takes up space
  2. 2. solid atoms become a periodic arrangement
  3. 3. when a solid becomes gas
  4. 4. the temperature where a liquid starts to become vapor
  5. 5. when a liquid becomes cold and becomes a solid
  6. 7. when chemicals react in a different way
  7. 9. when a solid becomes a liquid
  8. 12. when something is in a gaseous form
  9. 16. water vapor becomes a liquid
  10. 19. a liquid becomes a vapor form