An elementary school teacher used an experiment with white bread to show how important is to wash your hands. 🍞 engineering
Little did he know the science experiment he used to send the message would go viral. , Metcalf took five slices of white bread and placed them in separate sandwich bags. One was placed in the bag untouched, while the second one was touched by children who didn't wash their hands. The third was touched by hands washed with soap and water and the fourth with hand sanitizer. The fifth piece of bread was rubbed over the students' Chrome books.
The bags were labeled and prominently displayed on the wall. The students' job was to track how quickly show up on the bread. Metcalf posted his results on Facebook for the world to see. The mold started forming right away with the Chromebook by far having the most mold.
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