This PowerPoint is a great introduction or review about germs. It covers:
-the basics of what germs are and the name of the three types of germs that make us sick (pathogens= bacteria, viruses, fungi)
-not all germs make us sick and natural defenses our bodies have to help us stay healthy
-what we can do to help our bodies fight germs, including detailed hand washing information.
The PowerPoint goes on to a lab section. For the lab you will need a bottle of Glo Germ (easily found on amazon.com) and a black light (bulbs are cheap at Walmart). Glo Germ is squirted into students' hands, then students view germs with the black light. Instructions are included on how to conduct the lab to show students the importance of hand washing. Questions are included on the last slide that can be a class discussion, answered in their Science Journals or answered on a piece of paper.