Infections - Spreading glittergerm

One student gets some glitter on his hand. He shakes hand with 5 students . Each of those 5 students shake hands with another 5 students.  These students now shake hands with another 5 students. 

How many kids now have Glitter on their hands?

Which are the 6 kids who have the most glitter on their hands?

Draw a diagram of how the glitter spread from one person to the entire classroom. Go wash your hands now. 

Does washing hands help remove some of the glitter?

Infectious organisms like viruses, bacteria and protozoa spread through air, or physical contact like shaking hands.