Meaningful understanding of chemistry, among others, includes the ability of an individual to think simultaneously at macroscopic, submicroscopic and symbolic levels, and this presupposes the competence to translate between different types of chemical representations. In this study, we investigated 11th grade Greek students' and 3rd year…

This research aimed to design an instructional module to teach light diffraction by a grating to secondary students applying a science, technology, engineering, and mathematics (STEM)-integrated approach. Based on this approach, instructional management integrated the disciplines of physics and mathematics with engineering design process…

Mataram City, West Nusa Tenggara Province, has started a transitional period, including in the world of education. The transition to the new normal requires adjusting the learning process to prepare students to learn normally. This study aims to describe students' physics learning outcomes using a blended learning model. This research is a type of…

This paper reports on an interview study of 18 Grade 10-12 students' model-based reasoning of a chemical reaction: the reaction of magnesium and oxygen at the submicro level. It has been proposed that chemical reactions can be conceptualised using two models: (i) the "particle model," in which a reaction is regarded as the simple…

Special relativity theory (SRT) has recently gained popularity as a first introduction to "modern" physics thinking in upper level secondary physics education. A central idea in SRT is the absolute speed of light, with light propagating with uniform speed relative to the reference frame of the observer. Previous research suggests that…

Learners underperform in stoichiometry as they lack conceptual reasoning of the underlying concepts and the ability to solve stoichiometric problems. Therefore, it was necessary to determine if there is a statistical correlation between problem-solving skills and conceptual reasoning in stoichiometry and if so, whether one can significantly…

This study aims at investigating students' awareness of green chemistry principles (GCPs) which are infused in two context-based projects that are related to socio-scientific issues, namely climate change and materials' recycling. At first, content analysis of the projects' activities showed the infusion of four GCPs. Subsequently, the students'…

We examined the use and effectiveness of an incentive system--one of the five elements of a theory-based motivational architecture in educational games that we proposed--in a computer-based physics game on students' learning and performance. The incentive system's purpose was to motivate students to access learning supports designed to facilitate…

The purpose of this study is to introduce an activity which has been designed in accordance with Science, Technology, Engineering, Mathematics (STEM) education within the scope of 5E learning model and to present the implementation steps of it. The activity plan is on the topics of Nerves, Hormones and Homeostasis in Human Physiology Unit in 11th…

This study investigated the impact of 'assessment for learning' on learner performance in Life Science. Simple random sampling was used to select four schools from the King Cetshwayo District of KwaZulu Natal Province, South Africa, to participate in the study. A quasi-experimental, pretest-posttest comparison group design was used, involving four…

This mixed-methods benchmark study examined Saudi Arabian (SA) Eastern Province secondary students' understandings of the nature of science (NOS) in the Islamic context. To that end, two instruments, the Scientific Epistemological Views (SEVs) and an open-ended questionnaire about science and scientists were employed. Convenience sampling yielded…

School subjects divided into compulsory and elective courses. Compulsory courses are the basic courses that students must take to graduate, while elective courses give freedom for students. In Turkey, Biology courses taught as compulsory under the required courses in high schools. But, it is also instructed as elective courses called…

Understanding the relationship between energy and temperature can be challenging, but it is crucial to developing an understanding of the underlying mechanism behind climate change. In this article, the authors review the development of a unit that focuses on the relationship between energy, greenhouse gases, aerosols (a suspension of fine solid…

The purpose of this study was to enhance grade 11 students' conceptual understanding of fundamental acid-base models using Predict-Observe-Explain based animated movies (POE-AM). Twelve grade 11 students participated in the study. To collect data, the students' responses to the POE-AM tasks and interview protocols were used. The findings indicated…

It has been argued that the establishment of single-sex classes for females can increase their motivation and participation in physics. This paper reports on findings from a multi-occasional study among 90 female year 11 physics students across single-sex and co-educational high schools in Australia. The aim of this study was to identify the…