The curriculum emphasizes direct experiences with materials and conceptual development. The curriculum is unique because its investigations center on a specific phenomenon or technology s the context for introducing the concepts. With this approach, the concepts are relevant, and students can immediately apply them.
Close integrations exist between content and scientific processes.
The sequence of activities leads students from a concrete, everyday acquaintance to a more abstract, scientific understanding. Problems and questions grow naturally out of the properties of the materials and the students' interest. Concepts and processes developed in the investigation of one phenomenon or technology reappear in the investigation of a second, related phenomenon or technology. Mathematical operations such as graphing and proportional reasoning sometimes are used in the representation of measurements and in the development of basic science concepts. Using simple materials students investigates and map outdoor and indoor air currents.