Скачать или смотреть Supercool Ice Cream!

On this episode of Clayton’s Exploration Station, we’re making ice cream in a bag without the use of a machine by using Freezing Point Depression! By lowering the freezing point of ice we can supercool a bag of ice cream ingredients and make ourselves a tasty treat.

It’s quick, easy, and only needs a few things that you might have around your house right now. Put on your lab coat, or an apron, and let’s make some ice cream!


The downloadable PDF worksheet for this experiment can be found here:
https://ExplorationStation.net/superc...



-Materials-
1/4 cup sugar
1/2 cup whole milk
1/2 cup whipping cream (or heavy cream)
1/4 teaspoon vanilla or vanilla flavouring (for vanilla ice cream)
1 (quart) zipper-top baggie
1 (gallon) zipper-top baggie
2 cups ice
Thermometer
3/4 cup rock salt
Measuring cups and spoons
Cups and spoons for eating your treat

-Procedure-
1. Add 1/4 cup sugar, 1/2 cup whole milk, 1/2 cup whipping cream, and 1/4 teaspoon vanilla to the quart zipper bag. Seal the bag securely.
2. Put 2 cups of ice into the gallon plastic bag.
3. Use a thermometer to measure and record the temperature of the ice in the gallon bag.
4. Add 1/2 to 3/4 cup salt (sodium chloride) to the bag of ice.
5. Place the sealed quart bag inside the gallon bag of ice and salt. Seal the gallon bag securely.
6. Gently rock the gallon bag from side to side. It's best to hold it by the top seal or to have gloves or a cloth between the bag and your hands because the bag will be cold enough to damage your skin.
7. Continue to rock the bag for 10-15 minutes or until the contents of the quart bag have solidified into ice cream.
8. Open the gallon bag and use the thermometer to measure and record the temperature of the ice/salt mixture.
9. Remove the quart bag, open it, serve the contents into cups with spoons. Enjoy with fresh fruit!


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