DIY Elephant Toothpaste

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In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked. This activity requires warm water and will have produce a warm reaction.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 6 - 14

Resource Type:


Materials List (per group of students)

  • Hydrogen Peroxide (3% first aid)
  • Dish Soap
  • Spoon
  • Warm Water
  • Active Yeast
  • Empty Plastic Bottle
  • Easy to Clean Surface
  • Food Coloring (optional)
  • Small Funnel (optional)


  • Physical Sciences
    • Heat and Thermodynamics
    • Chemistry
    • States of Matter
    • Structure and Properties of Matter

Informal Categories

  • Science Festivals Activity


This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Children's Science Center, 2021