1) Why do we add salt to the ice?
- Salt make to lower the freezing temperature of the water and salt make exotherm.
2) Why do we add the cookies and other things, only after the milk has frozen slightly
- The cookies and other things may freeze with milk.
3) What are two factors that affect the freezing you think?
- Ice and Milk
4) Why do you need a bit of air in the bag?
-Milk will move easily.