In this video, we will use the scientific method as we do an experiment making elephant toothpaste. You can follow along at home using household items.


Hailee Talbot, STEM Student Assistant, University of Iowa Health Care

Materials needed for this activity:

  • Different shaped empty plastic bottles
  • Hydrogen peroxide (3% or 6%)
  • Warm water
  • Dry active yeast
  • Liquid dish soap
  • Measuring cups
  • Safety goggles
  • Large tub or tray to catch the foam
  • Food coloring (optional)