Homemade Bath Fizzies

Source Institutions

Add to list Go to activity
Activity link broken? See if it's at the internet archive
In this activity, learners make their own bath bomb fizzies and experience what happens when they mix a base and an acid. This activity comes with step-by-step instructions and has a section that explains the science behind why bath bombs fizz. This activity uses low cost materials and can be done at home.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$10 - $20 per student

Age Range:
Ages 4 - 14

Resource Type:


Materials List (per student)

  • 1 tablespoon olive oil
  • Several drops essential oil (4-10 depending on the fragrance)
  • 1 cup baking soda
  • 1/2 cup citric acid
  • 1/2 cup corn starch
  • 1 tablespoon water
  • Cellophane bag/ribbon


  • Physical Sciences
    • Chemistry
      • Chemical Reactions
      • Acids and Bases

Informal Categories

  • Arts and Crafts


Access Rights:

  • Free access