a lesson based on how microbes are transfered. The lesson is based around Semmelweiss and what he discovered. you will need the glow bug powder and a uv light. make sure you sprinkle it on worksheets first to show how its transmitted. it shows what surfaces it gets on to and how one person not washing their hands has a big effect. you can also use the gel to demonstrate how well hand washing needs to be done to remove any traces of microbes.
About this resource
Report a problem