Across
- 4. getting the air bubbles out of the clay 12
- 6. The ability to be shaped 18
- 7. something that clay cooks in 2
- 9. the purest of primary clay 3
- 10. substances used in glazes 15
- 13. Rock you can find silica in 16
- 14. Secondary Clay formed from volcanic ash 4
- 17. can cause explosions 17
- 18. clay found higher up 6
Down
- 1. pure primary clay, very white 13
- 2. SiO2 1
- 3. ready to glaze after firing 10
- 5. too slippery to use by itself 5
- 8. when clay becomes ceramic 14
- 11. clay you can find in rivers 7
- 12. Found below coal beds 8
- 15. a mixture to help connect wet clay together 11
- 16. hardens the clay to a more rocky state 9