Introduction
As you have just learned, the freezing temperature of water is lowered when salt is added. You are going to make ice cream by cooling a milk, sugar, and vanilla mixture in a bag surrounded by a bag with an ice and salt mixture. The ice cream mixture will be cooled enough to freeze as heat is transferred from it to the ice and salt mixture.
Objectives
- Use ice and salt to cool an ice cream mixture
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This experiment is #5B of Exploring Physical Science. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.