Earth Science Experiments for Kids - Kids will have fun learning about the Layers of the Earth with inside out playdough earth, cupcake layers, and so much fun with these science projects for homeschooling
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.