In such an era when the value is constantly restructured and information is rapidly changed, education reform should cater for new challenges. The role and function of teachers is encountering a new change. Coping with current information generation, people with high self-efficacy of selecting and mastering large amount of information and higher…

This study aimed to help the teachers clarify and understand the nature of science (NOS), as well as classroom practice through the implementation of the constructivist teaching model. Ten elementary science teachers were involved in a year-long in-service program that included a series of intervention courses. Following the intervention courses,…