1. Amir and Gracie left some evidence of breakfast behind. Luckily, some of it can be changed back. What does Mosa write down as clues that a substance will easily change back?

2. Where is the water in the pot going? Is it disappearing?

3. How does E. Mulsion, celebrity food scientist, define a physical change, and what examples does he give?

4. Why is unfrying the eggs impossible?

5. As Mosa studies eggs and toast, what does she write down in her notebook as indicators of chemical reactions?

6. How is lighting a match an example of a chemical reaction?

7. How is the dissolving antacid tablet an example of a chemical reaction?

8. What did Mosa figure out? Why can’t they turn the pancakes back into the the original ingredients?