An experimental learning project directed toward bridging the gap experienced by students between high school and college, and serving as a model for a senior year social studies course, is described. The seminar utilized a cross-disciplinary, dialogue approach with emphasis on directly involving students in the thinking process. (JB)

Describes an activity in which geometry and trigonometry are studied using pyramids. Identical model pyramids are constructed from card stock, along with pyramids of different proportions and cuboids to use as controls. Also includes an investigation of some apparently non-scientific claims. (DDR)