3. Welcome to an exciting game of Clay Jeopardy! I’m your host, Alex Trebek.

4. Rules Choose a category and a point level. Look at the clue. Answer before the music stops. Answer in the form of a question.

5. Clay models Verbal descriptions of clays Clay Properties 100 200 300 Example:

6. “This clay mineral has the highest expandability of all”. Answer

7. “What is smectite ?”

8. Clay models Verbal descriptions of clays Clay Properties 100 200 300 Example:

9. Answer

10. “What is kaolinite ?”

11. This is a 2:1 clay with potassium ions in the interlayer space. Answer

12. “What is fine-grained mica?”

13. Answer “This clay has the highest cation exchange capacity of all”.

14. “What is vermiculite ?”

15. Answer

16. “What is chlorite ?”

17. Answer “Montmorillonite is an example of this type of 2:1 clay and it is the state clay of Minnesota”.

18. “What is smectite ?”

19. Answer “This clay has the lowest effective surface area of all (10 – 30 m 2 /g)”.

20. “What is kaolinite ? “

21. Answer

22. “ What is vermiculite ?”

23. “This type of clay is common in volcanic ash”. Answer

24. “What is amorphous clay? “

25. “This clay has an effective surface area of 650-800 m 2 /g, but does not have the highest cation exchange capacity”. Answer

26. “What is smectite ? “