Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....

Students describe the anatomy of a virus. In this biology lesson, students compare and contrast the characteristics of bacteria and viruses. They discover the genetic adaptations of viruses over time.

Young scholars study adhesins and their receptors.  In this science inquiry activity students experiment to find adherence and use agglutination to identify adhesins. 

Young scholars explain the workings and anatomy of the heart and to explore new medical techniques that help people live longer, healthier lives.