Summer Science: Homemade Ice Cream

Students from ECCA demonstrate how to use chemistry to make ice cream
Published: Jun. 28, 2023 at 11:57 AM EDT|Updated: Jun. 28, 2023 at 3:50 PM EDT
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EFFINGHAM COUNTY, Ga. (WTOC) - Effingham College and Career Academy students Sean Mahoney and Austyn Zerangue walk us through the steps to create vanilla ice cream using physical chemistry & items you can find around your home.


- Measuring spoons/cups

- Sugar

- Milk, heavy cream, or half-and-half

- Vanilla Extract

- Salt (Table or rock)

- Ice cubes

- 1 pint or sandwich sized Ziploc bags

- 1 Gallon-sized freezer bag

- Oven mitts or small towel

- Timer or clock


- Inside small Ziploc bag place:

- One tablespoon of sugar

- 1/2 cup of milk, heavy whipping cream or half-and-half

- 1/4 teaspoon of vanilla extract

- Seal the bag well


- Inside Gallon-sized Ziploc bag place

- 4 cups of ice cubes

- 1/2 cup of salt

- Take small bag and place it inside the large bag with ice

- Seal both bags shut


- Take over mitts (or wrap bag in towel) and shake the bag for 5 minutes

- Feel the small bag every few minutes while you shake it until it feels close to the consistency of ice cream


- EAT!

This demo allows you to witness physical chemistry in real time.

The salt lowers the freezing point of the ice, thus creating the ice cream.