Across
- 5. a component of clay
- 7. quenching and breaking up a glass of a specific composition
- 9. clay comes in two categories: primary and secondary
- 11. highly plastic secondary formed from volcanic ash
- 12. building up the walls with coils of rope-like rolls of clay.
- 14. the process of kneading the clay with the hands to remove air bubbles
- 16. Process by which clay materials bond to become dense and nonabsorbent after firing
- 18. impervious layer or coating of a vitreous substance
- 19. A vitreous ceramic material
Down
- 1. clay highly plastic secondary that can shrink as much as 25%
- 2. The final stage of greenware dried to a completely dry state and ready to be fired
- 3. where pottery is fired in
- 4. clay purest of primary clays
- 5. clay secondary clay found below coal beds
- 6. A pottery created by low temperature firing
- 8. a mixture of clay and water
- 10. The process of heating pottery in a kiln to bring the glaze or clay body to maturity
- 13. clay or clay body when it has been partially dried to the point where all shrinkage has been completed
- 15. the glassy substance which is an important constituent of pottery glazes
- 17. a combination of silica, aluminium oxide and water
