Emily Frentzel - Puzzle 2
Across
- 2. mature slowly during firing
- 4. the end products of a chain of reactions
- 7. previously sedimented clays which have been subjected to pressure
- 8. are also used for slipware
- 10. often added to bodies for the textural effects
- 12. is homogenous, unlike stoneware
- 14. tend to be short when they are sufficiently pure and white
- 15. granite bosses which form upland areas
- 17. can be mined from the position in which they decomposed from the parent rock
- 19. have an end product of clay
- 20. will withstand a high temperature without deformation
- 22. include china clay for whiteness and some ball clay for whiteness and some ball clay for strength
- 23. can be stained with metal oxides and prepared stains to give other colours
- 24. contain iron oxide in reduced state
Down
- 1. have been deposited in their present position by the action of water and ice
- 3. fired to provide a strong product which is porous
- 5. a classification of a property which can be possessed by any clay
- 6. will not withstand high temperature but break down with heat and melt before
- 9. by hydrolization becomes clay, silica, and a salt
- 11. in plastic clay there is also water in the holes between the particles
- 13. complex mixture and combination of minerals
- 16. are silicate minerals of similar plate-like structure to kaolinite
- 18. a rust from red iron oxide
- 20. the capacity to withstand thermal shock
- 21. clay with low plasticity