Matter, matter, do YOU matter?

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Across
  1. 2. IF THE VAPOR IS FLAMMABLE IT CAN BE A FIRE HAZARD
  2. 3. THIS CHANGE HAPPENS AT THE MOLECULAR LEVEL
  3. 7. HOW MUCH A LIQUID RESISTS MOVING FREELY
  4. 8. LIQUID CLIMBS A NARROW TUBE ON ITS OWN
  5. 10. THE TEMPERATURE WHERE LIQUID STARTS BUBBLING INTO GASEOUS FORM
  6. 17. PROPOSED THE ATOMIC THEORY IN 1803
  7. 18. CHANGE OF LIQUID INTO GAS
  8. 19. STRONGEST KIND OF BOND HOLDING SOLIDS TOGETHER
  9. 21. PART OF AN ATOM THAT IS NEGATIVELY CHARGED
  10. 22. STATE OF MATTER THAT HAS NO FIXED SHAPE OR VOLUME
  11. 24. IS A PHASE CHANGE FROM LIQUID TO SOLID
  12. 25. CHANGING THE PHYSICAL PROPERTIES OF A SUBSTANCE
  13. 26. ACCOUNTS OF THE SURFACE TENSION
  14. 27. PROCESS OF CHANGING SOLID TO GAS WITHOUT LIQUID STATE
  15. 28. PHASE CHANGE FROM SOLID TO LIQUID USING HEAT
  16. 30. PROCESS OF CHANGING GAS TO SOLID WITHOUT LIQUID PHASE
Down
  1. 1. TYPE OF SOLID HELD TOGETHER BY METALLIC BONDS
  2. 4. A TYPE OF SOLID THAT HAS A RANDOM AND DISORDERED STRUCTURE
  3. 5. TYPE OF SOLID HELD TOGETHER BY THE SAME FORCES THAT HOLDS LIQUIDS TOGETHER
  4. 6. CREATED TO EXPLAIN THE PROPERTIES OF GASES
  5. 9. HELD TOGETHER BY IONIC BONDS
  6. 11. THIN LAYER OF PARTICLES THAT ARE STRONGLY ATTRACTED TO EACH OTHER
  7. 12. PART OF AN ATOM THAT IS POSITIVELY CHARGED
  8. 13. THE CHANGE OF PHASE FROM ONE FORM TO ANOTHER
  9. 14. SOLIDS STRUCTURE IS MADE UP OF CRYSTAL LATTICE
  10. 15. STATE OF MATTER THAT HAS A FIXED VOLUME AND SHAPE
  11. 16. PART OF AN ATOM THAT HAS NEUTRAL CHARGE
  12. 20. MADE UP OF ELECTRICALLY-CHARGED PARTICLES AND HOT IONIZED GAS
  13. 23. PROCESS WHERE WATER IS TURNED INTO ITS GASEOUS FORM
  14. 29. CHANGE OF GAS INTO LIQUID FORM