Chapter 21 - Chinese Philosophies Review Match the criteria with the correct philosophy to study for Chapter 21 quiz. There are 24 criteria and only 10 appear each game, so play several times and see if you can find all the criteria at least once. Tools See a list of terms used in this activity. Activity created by: Elizabeth Randolph This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.