It has been over thirty years since the nuclear reactor meltdown at the Chernobyl nuclear power plant, but why there is still an officially designated exclusion zone? The Chernobyl Disaster Task combines the learning of exponential functions with properties of radioactive substances to help students understand the ongoing effects of the meltdown.…

The purpose of this study is to develop a lesson plan that will facilitate the instruction of socioscientific issues and the acquisition of twenty-first century skills. To this end, a lesson plan comprising four hours of instruction was devised and presented in comprehensive detail. Three distinct activities were devised and executed as part of…

This study focuses on examining the mental models of 11th and 12th-grade students attending a science high school in Turkey regarding the concept of the electron cloud. The study involved 72 students and employed the case study method. The precondition for selecting the sample was that the students had covered the unit on modern atomic theory in…