KS1: Introduction to Microbes This lesson is designed to introduce students to viruses, bacteria, and fungi. The introductory activity allows students to combine their observational and creative skills to make a microbe of their own choice, exploring various microbial types and shapes. Scroll down to find out more and to download the resources. Download the complete lesson Understand there are three different types of microbes: viruses, bacteria, and fungi Understand microbes are all different shapes and ...