The social distancing rules during the COVID-19 quarantine period posed new challenges in the teaching of physics especially for the laboratory sessions. One solution, that permitted students to carry on the experimental work during this period, was the 'do it at home' activities using simple materials for setting up the experiment and a…

The effectiveness of a refutational text in addressing the alternative conceptions held by secondary school students on the topic of wave propagation in an elastic medium was explored in this study. The refutational text, which was 816 words long and featured the particle-spring model, was found to be more effective in promoting conceptual change…