Empty plastic water bottle
~1 tbsp. Dawn dish soap
1 tbsp. Dry Yeast
3 tbsp. warm water
1/2 cup Hydrogen Peroxide
1. Put empty water bottle in the bottom of a tin tray.
2. Fill the water bottle up with hydrogen peroxide and dish soap.
3. In a separate cup, mix the warm water and yeast with a spoon.
4. Very soon after you mix up the water and yeast, pour the new yeast mixture into the water bottle using a funnel. Make sure you take the funnel out as the toothpaste grows!
Mistakes to avoid....
Do NOT buy rubbing alcohol. We did the experiment on Tuesday, but ended up not getting to watch any results because I bought alcohol instead of hydrogen peroxide. Oops!! As a teacher, though, I was able to spin my mistake into a learning opportunity and we talked about why this failed.
I am terribly sad, but I missed the first 15 second of this video!!
I missed the growing toothpaste and oozing out of the top.
Hopefully, this video still gives you a good idea!