When you think of school science fair projects, you might think of baking soda volcanoes or Styrofoam models of the planets. More to the point, that’s what a lot of students think of – and ...

Steps . Mold your volcano around a 20-ounce soda bottle. (Follow step 1 above to create your volcano structure.) Mix 1 cup of vinegar, 1 cup of warm water, a teaspoon of dishwashing detergent, and ...