A great amount of research has been carried out world-wide to promote history of science as a powerful science teaching tool. Because the ways of choosing and using historical elements depend on teachers' or researchers' educational purpose, any attempt to support a single model-to-use seems difficult and probably irrelevant. However,…

This study assessed Zambian Junior High School pre-service science teachers' understanding of the particulate nature of matter. A sample comprised 30 pre-service science teachers at a teacher training college. Data was collected through a questionnaire adopted from Ozmen and Kenan (2007). Results show that most teachers had correct views on the…

Describes a study of preservice elementary teachers' (n=179) perceptions of geologic time. Finds that the respondents perceived events in Earth's geological past as falling into three distinct clusters: extremely ancient, less ancient, and geologically recent. Finds also that the teachers' grasp of relative time is more secure than their grasp of…