Maddie V Puzzle 3

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Across
  1. 3. clays can be improved in work ability by what
  2. 5. this is composed of alternate layers of silica and gibbsite
  3. 8. what is silica's formula
  4. 12. as the water dries out of clay, that particles are brought ____
  5. 14. what is aluminum oxide's formula
  6. 17. fine clay shrinks more than what clay during drying
  7. 19. water of plasticity is the ___ between the particles
  8. 20. you cannot see this type of crystals with the naked eye
Down
  1. 1. the shape and form of the clay crystal are dependent upon its what
  2. 2. what type of clays are more plastic than coarse ones
  3. 4. fine clay contains more of what in most clays
  4. 6. clay that has strong friction and stickiness is what type of plastic clay
  5. 7. what is the ture size of an average clay crystal
  6. 9. what is plasticity water's formula
  7. 10. what is the combined silica-gibbsite later is attached to other by hydroxyl bonds to form crystals
  8. 11. during the firing hydroxides are released and become water which in turn becomes what
  9. 13. what is bound water's formula
  10. 15. what is the linking force in clay
  11. 16. the word ___ is used to describe the individual pieces of clay involved
  12. 18. in extreme cases this water of plasticity could account for what percent of the weight of plastic clay
  13. 21. each sheet of aluminium silicate structure contains thousands of what