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Fizzy Planets STEAM Activity



  • Baking Soda
  • Liquid Watercolors
  • ¼ Cup Water
  • Vinegar
  • Bowl
  • Eyedroppers


  1. Combine ¼ cup water, 1 cup of baking soda, and desired colors in the bowl.
  2. Mold the mixture into balls resembling the round planets.
  3. Fill your eyedropper with vinegar and start dripping onto the “planets”.

Watch as the planets bubble and dissolve!

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