Learning Objectives___Quantify the size of the COVID-19 virus compared to other small items like atoms, molecules, a human hair, etc.___Quantify the size of the human being compared to a virus, an atom, a water droplet, a country, a planet, a galaxy, the universe.___Experience the true scale of the observable universe.Sequence:1. Student reads a brief reading introducing scale and size, with connections made to size of viruses and the importance of wearing protective masks and social distancing.