Weather experiment: Elephant toothpaste [Video]

GRAND RAPIDS, Mich. — Making fresh bread at home is becoming quite the trend lately, but today we will be using yeast to make elephant toothpaste! We will learn what a catalyst is and what it does in a decomposition reaction! Let’s get started….

 What you need:

• Clean and clear 16 oz. plastic bottle or beaker with funnel top (*beaker preferred)
• 1/2 cup of hydrogen peroxide liquid
• 1 tablespoon (packet) of dry yeast
• Liquid dish soap
• 3 tablespoons of warm water
• Food coloring
• Small cup
• Overflow pan
• Funnel

Step 1: Place bottle/beaker into overflow pan and pour the hydrogen peroxide into the bottle.Step 2: Add a few drops of food coloring.

Step 3: Add 1 tablespoon of liquid dish soap into the bottle and then swish the bottle around to mix everything together.

Step 4: In the separate small cup, combine the warm water and packet of yeast. Mix these two for about 30 seconds.

Step 5: Pour the yeast and water mixture into your …