From the authors of the “conceptual” line of science textbooks, in this third episode we interview Brian Pritchard an expert in the area of team based activities and human performance. Attention is given to the value of team-based learning in the classroom and beyond. This is followed by a review of Conceptual Chemistry’s foundational Chapter 3, Elements of Chemistry. Topics include physical and chemical changes, the periodic table, elements and compounds, mixtures, and nanotechnology.