Carmela Sales 5th hour Puzzle 2

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Across
  1. 6. short clays could also be called ____ clays
  2. 7. primary clays are the end product of a series of reactions so they are also called ____ clays
  3. 9. a porcelain body is ____, meaning it doesn't contain particles of different sizes.
  4. 11. ____ water is the water in the holes between particles of plastic clay
  5. 12. what's another name for secondary clays? ____ clays
  6. 15. ____ clays contain iron oxide in reduced state and they burn pink or cream-white, but are grey in raw state.
  7. 16. ___ clays are stained with metal oxides and prepared stains to develop colors in the kiln.
  8. 18. shales subjected to extremes of pressure with heat produce _____
  9. 19. matures slowly during firing
  10. 22. fusible clays often appear ____
  11. 23. ____ clays include china clay and some ball clay
  12. 24. ____ clay is low in plasticity and they may or may not be strong after firing
  13. 25. __ clays rust red from a red iron oxide
Down
  1. 1. is a layered silicate clay mineral which forms from the chemical weathering of feldspar or other aluminum silicate minerals.
  2. 2. ___ clays have the capacity to withstand thermal shock
  3. 3. ____ clays are pure and white and they tend to be short
  4. 4. ____ clays are more likely to have higher plasticity because of the wear and abrasion it goes through
  5. 5. _____ clay is clay that assumes better than the average plasticity, and an example would be ball clay
  6. 8. primary clays tend to have large particles
  7. 10. ___ clays cannot withstand high temperatures and break down with heat. They are highly plastic though.
  8. 13. ___ of the plastic variety are often used or added to ball clays to produce stoneware.
  9. 14. china clay is decomposed from _____
  10. 17. clay with large particles tend to have low plasticity
  11. 19. previously sedimented clays which have been subjected to pressure
  12. 20. natural clays can contian up to ____ percent of iron oxide.
  13. 21. _____ clays withstand high temperatures without deformation and they are often blended with other clays to improve firing behavior