The rise of digital technologies since the second half of the 20th century has transformed every aspect of our lives and has had an ongoing effect even on one of the most conservative fields, education, including chemistry education. During the COVID-19 pandemic, chemistry teachers around the world were forced to teach remotely. This situation…

This study aims to determine the topic-specific nature of two experienced chemistry teachers' pedagogical content knowledge (PCK) in the topics of interactions between chemical species and states of matter. The teachers' PCK on these topics was investigated in terms of the following components: orientations toward science teaching (OST), knowledge…

The purpose of this study was to examine the interactions between in-service chemistry teachers' science teaching orientations and other components of their pedagogical content knowledge (PCK). Two experienced chemistry teachers participated in this study. Data were collected through interviews, classroom observations, and field notes as the…

Scrum methodology is a novel framework for teaching intended to scaffold students' learning process when they work on complex, real-world tasks. It is originally a project management framework frequently used in business and industry to manage projects. Scrum methodology is increasingly used in educational contexts. Yet, it is also a rather…

Evaluation of student written work during summative assessments is an important task for instructors at all educational levels. Nevertheless, few research studies exist that provide insights into how different instructors approach this task. In this study, we characterised variation in chemistry instructors' approaches to the evaluation and…

We examined the interactions among pedagogical content knowledge (PCK) components of novice and experienced chemistry teachers in teaching reaction rate and chemical equilibrium topics in this qualitative multiple-case design study. For this aim, three chemistry teachers who had different levels of teaching experience in chemistry teaching were…

This paper aimed to explore how pedagogical content knowledge (PCK) of teachers influenced their adaptations of the curriculum materials of the new senior secondary chemistry curriculum, a standards-based science curriculum, in China. This study was based on the premise that the interaction of the teacher with the curriculum materials determines…

The purpose of this study was to examine experienced chemistry teachers' pedagogical content knowledge (PCK) for two different topics in chemistry to better understand how PCK is specific to topic, including whether all components of PCK are topic-specific and to what degree. To explore the topic-specific nature of PCK, we examined two experienced…

Sustainability became a regulatory idea of national and international policies worldwide with the advent of the Agenda 21. One part of these policies includes promoting sustainability through educational reform. With the United Nations World Decade for Education for Sustainable Development (ESD), spanning the years 2005 to 2014, all school…

This study evaluates experienced teachers' views of chemistry teaching and learning and educational reform in Jordan. The main focus is an investigation of applied teaching practices in chemistry education, including educators' perception of the intentions and effects of ongoing educational reforms. The study is based on semi-structured interviews…

In this qualitative case study, we examined the nature of integration among pedagogical content knowledge (PCK) components. To attain the goal, two experienced chemistry teachers' teaching redox reactions and electrochemical cells was observed. The data were collected through card-sorting activity, content representation (CoRe) tool, observation,…

In this paper we describe the learning process of a group of experienced chemistry teachers in a specially designed workshop on molecular symmetry and continuous symmetry. The workshop was based on interactive visualization tools that allow molecules and their symmetry elements to be rotated in three dimensions. The topic of continuous symmetry is…