Bread mould experiment

As part of our investigation into the human body systems we have been talking about the immune system. Given recent developments with the coronavirus, this is a timely discussion, and we have been focussing on handwashing. In order to highlight the importance of handwashing we started an experiment with bread and surfaces in the school. Students quickly compile the list of services they believed would contain high concentrations of bacteria.  With surgical gloves on and armed with slices of white bread for students set out through the school to collect samples off of surfaces on the bread which we then sealed in Ziploc baggies and labeled. We’re going to compare them against a control sample that went directly into a Ziploc bag without outside contact. I will be posting regular pictures here on the blog so that students can follow the progress over the next few weeks. Here are the samples after the first two days for reference.

Day 1...

Day 2...