Steve Spangler Science delivers another STEM-tastic party trick using basic household products — this time hydrogen peroxide, food coloring and yeast. When the chemical reaction happens, the foam erupts from the bottle like toothpaste being squeezed from a tube, wowing your guests. For an extra activity, have each guest create a custom label for their bottle using art supplies to make it look like a toothpaste tube.
Tiffany Doerr Guerzon is a freelance writer and the thrifty mom of three children. When not writing, she can be found hiking in the woods near her home with her rescue dog Luna or cooking up something tasty in the kitchen. She is the author of “Save Money on Groceries Without Losing Your Mind: 15 Strategies Anyone Can Use.”