How To See Germs Spread Experiment (Coronavirus)

Cleaning commonly touched surfaces is really important, even if you’re washing your hands all the time and trying to not touch your face. It can still be surprising to see how quickly germs can spread from just one or two people to all over a room.

This video science experiment by Mark Rober is an excellent demonstration: How To See Germs Spread (Coronavirus). He added a powder called Glo Germ to the hands of just one teacher and one student, and then searched their classroom with a blacklight to see where the “germs” had spread.