LAB - Bacteria Where?!? Bacteria EVERYWHERE!

A tad behind ... but we're back!  Students through all six classes were able to test for bacterial growth from the following four locations.

1.  Door Knob
2.  Mouth (under tongue)
3.  Desktop
4.  Bottom of Shoe

Angie Doty and Daniela Pineda-Ramos counting for bacterial colonies!

After about a week of incubation, students were able to see large bacterial colonies form.  They counted the number of colonies and were able to hypothesize why they should wash their shoes :).

So ... why do you think the "Bottom of Shoe" seemed to have the most bacterial growth.