Ice Cream In A Bag Experiment

Ice Cream In A Bag

Nothing says summer like a refreshing frozen treat, and ice cream is always a hit. This experiment is a delicious way to teach your child about turning a liquid into a solid through freezing it.

 

What You Need

  • ½ cup milk
  • ½ cup whipping cream heavy cream
  • ​¼ cup granulated sugar
  • ​¼ tsp vanilla extract
  • 2 cups of ice
  • ½ – ¾ cup table salt or rock salt
  • A 1-quart resealable plastic bag
  • A 1-gallon resealable plastic bag
  • Oven mitts or gloves to keep your hands from getting cold

The Process

1. Put sugar, milk, cream, and vanilla in the quart-sized bag

Add your first four ingredients into the smaller plastic bag and zip it closed. Make sure there are no leaks!

 

2. Put salt and ice into the gallon-sized bag

 

3. Place the smaller bag inside the gallon-sized bag

The sealed quart-sized bag with your liquid ingredients goes inside the bag of ice and salt. Seal the gallon bag, and again, make sure it won’t leak!

 

4. Gently shake the bags

Put on oven mitts or gloves to protect your hands from the cold and shake the bags from side to side, keeping the sealed zipper upright. You or your child will need to shake the back for approximately 15 minutes, or until the contents of the quart-sized bag has mixed, frozen, and turned into ice cream.

 

5. Open and serve immediately!

 

The Science

Although water typically turns into a solid at 32 degrees Fahrenheit (0 degrees Celsius), with the addition of salt – i.e. sodium chloride (NaCl) – it can freeze at warmer temperatures. That’s because salt raises water’s freezing point. When you’re making ice cream, the low temperature of the ice and salt mixture is cold enough to change the state of the cream from a liquid to a solid.

How did your ice cream turn out? Show us by posting pictures to Instagram and Facebook! We’d love to hear about your results and what you thought of this month’s experiment. Find us on social media or through our Get in Touch page!

 

 

 

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