This document provides an overview of lessons and activities for a curriculum unit on critical lessons. It includes discussions of shifting paradigms in curriculum models from traditionalism to progressivism. Participants are prompted to consider where various approaches like constructivism and behaviorism fit within those paradigms. Two polls and a simulation activity are outlined where participants must design a curriculum for colonists starting a new civilization on a new planet based on key principles. The document emphasizes identifying critical lessons that should be taught to students and how to integrate them into the curriculum in an Alberta context.