In this study, diagnostic worksheets adopted from the Royal Society of Chemistry and microscale chemistry activities were employed to investigate teacher trainees' understanding of chemical compounds. The framework for the study was hinged on the constructivist theory. Participants in this study were 36 1st-year undergraduate teacher trainees of…

The purpose of this study was to explore how Korean preservice elementary teachers' beliefs about nature of science (NOS) and their beliefs about constructivist teaching were structured and related and if any relation was prevalent in the content-specific contexts. As the same format, three versions of questionnaires were developed in three…

The purpose of the investigation was to investigate the consistency of NOS views among high school students across different scientific and socio-scientific contexts. A total of 261 high school students from eight different schools in Lebanon participated in the investigation. The schools were selected based on different geographical areas in…

The major purpose of this study was to find out the conceptions of science teachers about the nature of science. To guide this study, four research questions were asked and four hypotheses tested. The design of the study was descriptive survey and instrument used for data collection was a 22 item questionnaire. The sample of the study consisted of…

Background: Problem-based learning (PBL) is a teaching approach working in cooperation with self-learning and involving research to solve real problems. The first law of thermodynamics states that energy can neither be created nor destroyed, but that energy is conserved. Students had difficulty learning or misconceptions about this law. This study…