Understanding frames of reference is critical in describing planetary motion and learning astronomy. Historically, the geocentric and heliocentric models were defended and advocated against each other. Today, there are still many people who do not understand the relationship between the two models. This topic is not adequately treated in astronomy…

The microteaching course continues to be a focal point in the preservice training of science teachers. The purpose of this study was to qualitatively investigate the effects of a microteaching course on preservice science teachers' perceptions of teaching, instructional behaviors, decision making skills, and any changes in beliefs occurring…