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 ...

COLUMBUS, Ohio (WCMH) — The annual COSI Science Festival is coming up from May 3 to 6 and NBC4 Today anchor Monica Day got a preview of a crowd favorite experiment: “Elephant Toothpaste” with Kristy ...

MEREDITH: WELCOME BACK. YOU KNOW WHEN YOU ARE BRUSHING YOUR TEETH AND THE TOOTHPASTE BECOMES REALLY FOAMY IN YOUR MOUTH? THAT’S BECAUSE OF A CHEMICAL REACTION AND IN THIS WEEK’S SCIENCE OF IT, WE ARE ...

This is thermodynamically favourable, releasing 98.2kJ per mole of reactant, hence the reaction is exothermic. However, the reaction intermediaries are quite unstable (higher energy) presenting an ...