Yet another fun and exciting experiment from our Fascinating Science for Kids eBook (get yours currently free)! This post was inspired by The Recipe Room, Mom to 2 Posh Lil Divas, and Steve Spangler Science.
Salt Volcano: Pour several inches of water into a jar. Add about of vegetable oil. Drop in food coloring and observe what happens. Shake salt on top of the oil/water/food coloring mixture. Pour or sprinkle more salt, as desired.