Chemistry Ice cream labs freezer bags Colloids, Activation Energy High School

The ice cream lab is a fantastic, fun, super-engaging way to teach freezing point depression and phase change

Your students about colloids and temperature by completing these fun labs. A FUN resource for end-of-school, camping, or when you are teaching colloids.

This product contains 2 labs one written for Middle and the second for High School science.

I hope your students will enjoy it as much as mine do every year.

MATERIALS

2-quart size Ziploc Freezer bags

1 pint of Half and Half

1 Pint of whole milk

12 ice cubes

2 teaspoons of coarse salt

Clean plastic spoons Enough for all students

Gloves

½ teaspoon vanilla extract

Paper towels

1 T granulated sugar

½ tsp vanilla extract

Food Coloring

Thermometer

Marker Flair

On purpose during this lab, I do not tell them what we are making. Food coloring turns milk a strange green-brown, the heavy cream an off shade of pink, and you dye sugar a blue-grey and mix in silver sugar crystals, or brown with specks of green and red. I also replace terms like milk and sugar with BS and/or pseudo-science names like dihydrous lactase and granulated polydisacharide. The surprise is at the end when they can eat it.