Whitaker Wednesday : Homemade “Pop Rocks”

Good Day PA

It’s Whitaker Wednesday! Jessica Rice is back to show us an easy STEM activity you can do at home! Create your own popping candy with a few simple ingredients. Plus the Whitaker Center is extending it’s hours just in time for summer.

Edible Pop Rocks!

  • 2 cups of sugar
  • 1 teaspoon baking soda
  • ¼ up plus 1 teaspoon citric acid
  • ½ cup light corn syrup
  • ¼ cup water
  • 1 teaspoon flavoring extract
  • 1-2 drops food coloring
  • pinch of corn starch
  1. Dust the baking sheet with cornstarch.
  2. In a saucepan combine sugar, corn syrup, and water.
  3. Cook until the mixture reaches 300 degrees or when it is rapidly bubbling
    for about 1 minute consistently.
  4. Remove from heat and add baking soda, ¼ cu citric acid, extract, and food
    coloring. Stir to combine.
  5. Spread on the baking sheet. Don’t let it run over the edges!
  6. Sprinkle with a spoonful of citric acid.
  7. Allow to cool. (Freezer may help the process!)
  8. Break candy into pieces and put in a ziplock bag. Use a rolling pin or spoon
    to crush candy to resemble rock candy

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