The goal of this project was to help science teachers shift to a more inquiry-based teaching style by supplying learning tools that support a more student-centered approach. The project employed PSI (Personal Study Instrument) Sim Modules, a simulation-based electronic learning environment designed to address misconceptions in middle school…

This article reports on results of an exploratory study on undergraduate pre-service teachers' understanding of graphical representations of motion functions. The study described pre-service teachers' explorations using a CBR device. Pre-service teachers' growth was studied in two dimensions: (a) in their learning of the mathematics involved and…