hooked science 300KENTUCKY (7/12/14) — Looking for something to do with the family, inside, on a hot summer day?

If so, our “Science Guy” Jason Lindsey shows us how to use a few ingredient from around the house to create homemade ice cream.

INGREDIENTS

  • 1/2 Cup Half & Half

  • 1 Tablespoon Sugar

  • 1/4 Teaspoon Vanilla

  • 1 Sandwich Ziploc Bag

  • 1 Gallon Ziploc Bag

  • 3 Cups of Crushed Ice

  • 1/3 Cup Rock Salt

INSTRUCTIONS

  • STEP 1: Place the Half & Half, sugar, and vanilla into the sandwich Ziploc bag. Seal the sandwich Ziploc bag.

  • STEP 2: Place the ice and rock salt into the gallon Ziploc bag. Add the sandwich Ziploc bag into the gallon Ziploc bag. Seal the gallon Ziploc bag.

  • STEP 3: Squeeze the gallon Ziploc bag until the ice cream thickens.

  • STEP 4: Remove the sandwich Ziploc bag from the gallon Ziploc bag. Open the sandwich Ziploc bag, using a spoon, taste your homemade ice cream.

EXPLANATION

The salt lowers the freezing point of the ice and creates a cold brine, which absorbs the heat from the bag containing the Half & Half, sugar, and vanilla. This causes the contents in the bag containing the Half & Half, sugar, and vanilla to go from a liquid to a solid, creating homemade ice cream.

Go to www.hookedonscience.org for more experiments that might get you and your family “Hooked on Science.”

Jason Lindsey Hooked on Science

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Posted on 2/2/14
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