1. Gil's father, Dr. Patrick, is a physicist. What is a physicist? In chapter twenty, Dr. Patrick says that he "takes delight in the Uncertainty Prin ciple," the idea that there's "something reasoning can never quite get at," and says "I hope it never will." He comments that this makes him a traitor as a scientist. How is he a traitor?

2. Describe or draw the stone children as you imagine them.

3. Read Through the Looking Glass by Lewis Carroll. Compare Alice's experiences with Mrs. Kendrick's ideas about mirrors.

4. Throughout the story there are various statements made about the nature of time. Choose one such statement to attack or defend in an essay.

5. Select one of the painters mentioned in the book for a short biographical essay. Be sure to include a description of his style, as it is described by a...