Remaking the Science Fair by Adam Hochberg by PRX published on 2013/09/06 16:59:04 +0000 Volcanoes fueled by baking soda and vinegar. Carnations dipped in colored water. Those are popular projects at school science fairs, but do they really teach kids anything? Some professional scientists are leading an effort to remake school science fairs. They say that rather than just building models or conducting demonstrations, children as young as eight or ten can develop original science projects and make important discoveries.