2 Tb baking soda
1/2 c water
1/2 c vinegar
red food coloring
2 Tb. liquid soap |
| Put 2 Tb. of baking soda in the bottom of the volcano. Mix up 1/2 cup water, 1/2 cup vinegar, red food coloring, and 2 Tb. of liquid soap. Pour liquid into baking soda and watch it erupt. |
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