Investigating the optical properties of various chemical compounds using UV-vis spectrophotometers is an essential part of education in chemistry. However, commercial spectrophotometers are usually treated as "magic black boxes", where the dominant majority of optical elements are hidden "under the hood". This often limits…

Prior research has highlighted that for teachers to develop robust practices, they need to develop rich professional vision (PV)--the ability to see nuanced issues of teaching and learning in situ, interpret them, and respond. In the context of problem-based learning (PBL), PV involves guiding student-centered learning and understanding when to…

STEM is becoming widespread as an education model in many countries today, and it has been included in the curriculum in our country, and the need for teachers trained in this field has emerged. The purpose of this study, in which the case study method, one of the qualitative research methods, is used, is to examine the skills of Physics-Chemistry…