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Elephant Toothpaste

a kid's science experiment that creates a foamy reaction
Prep Time5 minutes
Total Time5 minutes
Keyword: elephant toothpaste, science experiment

Equipment

  • plastic bottle
  • funnel
  • measuring cups and spoons
  • safety glasses

Ingredients

  • ½ cup hydrogen peroxide 6%
  • 5+ drops food coloring
  • 1 tablespoon dish soap
  • 1 tablespoon yeast
  • 2-3 tablespoons water warm

Instructions

  • In your plastic bottle add the hydrogen peroxide.
  • Add in 5-6 drops of food coloring if using. Swirl to mix.
  • Add 1 tablespoon dish soap.
  • In a small glass measuring cup or other mixing bowl, combine 1 tablespoon yeast with 2-3 tablespoons warm water and stir. This should get a little foamy after about 30 seconds.
  • Pour the yeast water into the plastic bottle. Watch the reaction!

Notes

3% hydrogen peroxide will work as well