One activity that would help students understand the use and importance of organizational style and transitions in a compare/contrast essay is by having them create their own essay on a different topic. Students can choose two subjects to compare and contrast, brainstorm similarities and differences, discuss different organizational styles, create an outline, integrate appropriate transitions, write their essays, and engage in peer review. This hands-on approach allows students to apply their knowledge, explore various organizational styles, and gain insights into the significance of transitions for coherence and clarity in their writing.