Elephant Toothpaste - A Science Experiment

Replace with anne sparkle...

What you’ll need:

  • Empty plastic bottle
  • Dry yeast (found in the baking section of the grocery store)
  • Warm water
  • Liquid dish soap
  • 3% hydrogen peroxide
  • Measuring cups
  • Measuring spoons
  • Safety glasses
  • Large tub or tray to catch the foam
  • Location for the activity that can tolerate spills (of hydrogen peroxide as well as possibly food coloring), such as a kitchen or bathroom—or an outdoor location
  • Liquid food coloring (optional)
  • Different-shaped bottles or glasses (optional)
  • Two old towels ( ones that you don’t mind getting dirty as food colouring may permanently die

What to do? 

Step 1
Choose a safe area ( things are going to get messy!!)

Step 2
Lay out large tub to catch the foam ( maybe a towel underneath and an extra one for any mess)

Step 3
Put on safety glasses

Step 4
Place plastic bottle into tray

Step 5
Measure out 1/2 cup hydrogen peroxide and pour into plastic bottle (carefully!!)

Step 6
Add a table spoon of dish soap into plastic bottle. Gently swirl ingredients together.

After you have swirl together the soap/hydrogen peroxide mixture this is where things get fun and we can add colour. Once mixture has stopped moving…simply drip 5-6 drops of food colouring on to the top and leave.

For a fun rainbow effect try and get the food colouring onto the sides of the insides of the bottle… just wait and see what happens!!

Step 7
In a separate measuring cup add together 1 tablespoon of yeast and three tablespoon of warm water. Stir together for about 30 secs.

Step 8
Take your yeast and warm water mixture and get ready!

  • (Take a breath! Get ready to move back after!)
  •  Pour the yeast mixture into the bottle

 Step 9

 If it's fun do it over and over again!

 

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