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 ...

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 ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...