Purpose: This paper aims to describe the web-based scaffold dynamic simulation system (PRES-on) designed for pre-service teachers. Design/methodology/approach: The paper describes the initial design of a web-based scaffold dynamic simulation system (PRES-on) as a cognitive tool for learners to represent problems. For the widespread use of the…

Argues that evolution is a process that occurs within the curriculum as well as within the physical universe. Provides an example that involves student presentations. Discusses the transition from poster presentations to electronic presentations via the World Wide Web. (DDR)

This paper reports on the analyses of concept maps on the nature of science constructed by preservice secondary science teachers (N=17) during a semester-long reflective process. Analysis of their electronic journals also provides hierarchical evidence. The research questions explored in this study pertain to determining the views of preservice…