Oklahoma Ag in the Classroom

Ice Cream

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(per group of 4)

  • 1/4 c sugar
  • 1/2 t vanilla
  • 1 c 2 percent milk
  • 1 c (1/2 pt) whipping cream
  • ice
  • 3/4 c water
  • 3/4 c rock salt
  • 4 plastic spoons
  • 1 gal zip-lock freezer bag
  • 1 qt zip-lock freezer bag
  • Measuring spoons
  • Wooden spoon
  • Measuring cup
  • Duct tape
  • 4 8-oz sundae cups
  • Cloth towels or hot/cold mitts

Ice Cream in a Bag

  1. Pour milk, whipping cream, sugar and vanilla into a 1-qt zip-lock freezer bag, and seal tightly with duct tape.
  2. Place the quart zip-lock bag with the ice cream ingredients inside a 1-gallon zip-lock bag.
  3. Pack ice around the small bag.
  4. Add the rock salt and water.
  5. Seal the larger bag with duct tape.
  6. Have students shake or toss the bags between them while protecting their hands with cloth towels or hot/cold mitts.
  7. Continue until ice cream is frozen.
  8. Open the outer bag, and discard the ice and salt.
  9. Rinse the bag containing the ice cream.
  10. Divide the ice cream into sundae cups with the wooden spoon.

PHYSICAL SCIENCE ACTIVITY

  • After ingredients have been put together in the bag, students will observe and describe their mixture.
  • After the ice cream is made, students repeat the observation and describe the ice cream.
  • Ask students what changes they have observed, and what caused the changes.  Was motion involved in the change?

P.A.S.S. Physical Science—Grade 1: 1; Grade 2: 1.1,2; Grade 3:1.1
  • fresh, clean snow
  • 2 t vanilla
  • 2 T sugar
  • 1⁄2 c milk
  • small styrofoam cups

Snow Ice Cream

  1. Put sugar and vanilla in cups.
  2. Pack snow in on top of the sugar and vanilla, leaving enough room for the milk.
  3. Pour in milk, and mix it all together.

Oklahoma Ag in the Classroom is a program of the Oklahoma Cooperative Extension Service, Oklahoma Department of Agriculture, Food and Forestry and the Oklahoma State Department of Education

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