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Baking Soda & Vinegar Chemical Volcano

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Make the Volcano Dough
You can use a spoon to mix the volcano materials, but it's more fun to use your hands.

You can use a spoon to mix the volcano materials, but it's more fun to use your hands.

Anne Helmenstine
You can cause an eruption without making a 'volcano', but it's easy to model a cinder cone. Start by making dough:
  1. Mix together 3 cups flour, 1 cup salt, 1 cup water and 2 tablespoons of cooking oil.
  2. Either work the dough with your hands or stir it with a spoon until the mixture is smooth.
  3. If you like, you can add a few drops of food coloring to the dough to make it volcano-colored.

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