1/2 cup water
1/4 cup vinegar
1/4 cup dish detergent
Red or orange food coloring
2 tablespoons baking soda
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.
Add water, vinegar, dish detergent
and food coloring. Do not add your baking soda at this stage.
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.