Ice Cream Activity Sheets printable pdf download

Ice Cream Activity Sheets

Student Name: ____________________

Date: ____________________

Activity Sheet 1

Instructions:

1. Mix 250 mL of cream, 75 mL (1/4 cup) sugar, and 2 mL (1/2 tsp) vanilla

together in a small plastic bowl.

2. Pour some cream mixture into the dixie cup, filling it half to three-quarters full.

3. Add liquid nitrogen ... a little at a time, and stir.

4. Once you have made ice cream, add any of the extra ingredients provided to

give your ice cream a flavor - personalize your own brand!

The ice cream mix starts to freeze at -3 C, so your container has to be

cooled below that. You could use solid ice from the freezer but the warm room

air, the relative warmth of the ice cream mix, and friction from the stirring would

soon melt it around the inner container. Since ordinary water freezes at 0 C,

even melted ice water is warmer than 0 C and too warm to freeze ice cream.

Liquid Nitrogen, though, has lower freezing temperature than plain water.

When you put liquid nitrogen into your cream mixture you create a mix that can

stay cold enough to freeze your ice cream.

1. At what temperature does water freeze?

2. At what temperature does cream freeze?

3. Why was it important to add liquid nitrogen to the cream mixture?

Ice Cream

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Ice Cream Activity Sheets