Maddie V Puzzle 5

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Across
  1. 2. the element formula is MnO
  2. 5. the element formula is BaO
  3. 9. the element formula is PbO
  4. 10. the element formula is ZnO
  5. 12. the element formula is CaO
  6. 14. if you add other things to clay you create what
  7. 16. the element formula is Bi2O3
  8. 18. the element formula is BeO
  9. 19. the element formula is MgO
  10. 20. the element formula is K2O
Down
  1. 1. up to 25% of a clay body, fuses at 2282f
  2. 3. melts at 2102-2372f
  3. 4. melts at 2012-2192f
  4. 6. the element formula is FeO
  5. 7. the element formula is B2O3
  6. 8. the element formula is SrO
  7. 11. the element formula is Na2O
  8. 13. the element formula is Li2O
  9. 15. some clay right from the ground would have to be heated ___ than you want in order to vitrify it
  10. 17. alters the vitrification temperature of the clay