1) why do we add salt to the ice?
- To make the ice cooler, by sucking heat from ice and milk then the ice will cooler, the milk will freeze.
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?
- Salt and Ice
4) why do you need a bit of air in the bag?
- If there is much air inside it may pop the bag when we shake.