While models and analogies are integral to both the learning and practice of science, their use is complex and potentially troublesome. Misconceptions can arise when parts of a model are misleading, missing, or misapplied. Students begin to look critically at models as they investigate a question of personal interest and develop related lessons for use in a local elementary school. This article suggests techniques you can use to analyze models and describes preservice teachers’ experiences as they critically examined popular models used in many elementary classrooms.