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

In this experiment, you will

  • Use ice and salt to cool an ice cream mixture