Have your students get into small groups and guess the year in which each invention is made, like Price is Right. Keep a tally of the number right of each group, and declare a champion of the world - suitable for middle and high school.

1. Special Educational Edition!

3. ???? 554 Silk China The West

4. 1300 BC

5. ???? 1600 China The West

6. 300 BC

7. ???? 1150 China The West

8. 105 AD

9. ???? 1600s China The West

10. 264 AD

11. ???? 1589 China The West

12. 549 AD

13. ???? 1377 China The West

14. 700 AD

15. ???? 1300

16. 1161

17. ???? 1423 China The West

18. 1041 AD

22. So why did they never do anything with all of this?

25. They also thought there was no external threat; the seas were safe, so why bother.

26. 1. Inventors were considered low-class. 2. Empire regulated invention and discovery. 3. Commitment to relational thinking – Ying-Yang. Why else???