Next week, the kids are working through several physical change or physical property experiments, some from the Apologia textbook. The kids are also try Hydro-dip glass and make Colorful Lather Prints or sumi nagashi. The lab requires index cards, rulers, shaving cream,toothpicks and food coloring. Don't buy food coloring, if you don't have any on hand. Instead, use a little acrylic or tempera paint. Any aqueous pigment works. I saved a bunch of recycled glass jars to hydro-dip. The principle is the same; both the lather prints and hydro-dip paint are experiments with hydrophilic and hydrophobic substances, or polar and nonpolar substances. Artsy labs have wide appeal. Give these a shot!
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