Fill container 1/8 full with water. Add 5 drops food coloring. Fill with vegetable oil. Add 1 alka seltzer. http://www.stevespanglerscience.com/ Food Colors, Science Projects, Mom Llc, Science Experiments, Lava Lamps, Fun Things, Outdoor Play, Preschool Science, Science Fun
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Elephant toothpaste (really fun foaming science experiment using hydrogen peroxide, dish soap, and yeast!)
Learn about rainbows and colors or celebrate St. Patrick's Day with these fun rainbow science experiments for kids.