Pop Rocks

Pop Rocks snap and explode when you taste them. What's the secret ingredient in Pop Rocks?"

What you need:
  • Pop Rocks
  • glass of water
What to do:
  1. Dump the Pop Rocks in water.
  2. Watch for bubbles.
What's happening:
Like soda pop, Pop Rocks contain bubbles of carbon dioxide gas.*  When the candy dissolves, the gas escapes and forms bubbles.

*See the official POP ROCKS website.

From the book Candy Experiments by Loralee Leavitt

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