Elementary School’s Experiment With White Bread Teaches The Importance of Washing Hands

Recently Jaralee Metcalf, a behavioral specialist and her colleague found an experiment on the C.S. Mott Children’s Hospital website, called “How clean are your hands?”

“We chose this experiment because we had been learning about decaying leaves and mold and flu season was approaching,” Jaralee Metcalf told. “We decided it would be an awesome mold experiment to learn about germs by using moldy bread!”

The mold that formed from the Chromebooks

Here’s the untouched slice of bread

The one that was touched by kids with dirty hands

The slice that was touched by washed hands

And the one that was touched by kids who used hand sanitizer

Metcalf described the experiment in a Facebook post, and it instantly went viral

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