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 ...

Meghan Walbert is Lifehacker's Managing Editor. She has a degree in journalism and has worked at Lifehacker as a writer and editor since 2018, covering parenting, foster care, online child safety, and ...

COLUMBIA, S.C. — Elephant toothpaste is a foam substance you can easily make at home with just a couple of ingredients. It is also a kid-friendly substance and safe to play with after the experiment ...

The Science Siblings love an at-home experiment. Paige and Adam Jacobson went the chemistry route with this one, concocting “elephant toothpaste.” Start by adding the food coloring to the hydrogen ...

STEP 3: Mix 3 tablespoons of warm water with 1 tablespoon of dry yeast. STEP 4: Pour the warm water and dry yeast into the bottle and observe. The yeast acts as a catalyst, quickly removing the oxygen ...

I like making Elephant’s Toothpaste. It is not really toothpaste but a really fun science experiment that I learned. When you make it, the ingredients make a foam mess. It got its name because the ...