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Things Required ·        
1/2 cup water
1/4 cup vinegar
1/4 cup dish detergent
Red or orange food coloring
2 tablespoons baking soda

1.    Build your volcano model. Use a container in the center to hold liquid. This container can be an old water bottle, soda bottle with the top cut off, or even a simple glass jar.
2.    Add water, vinegar, dish detergent and food coloring. Do not add your baking soda at this stage.
3.    Add the baking soda when you are ready for an eruption. Wrap the baking soda in a tissue and drop into the volcano. The baking soda will react with the vinegar and cause the eruption.