This study describes the analogical models and narratives used to introduce and teach Grade 9 chemical covalent compounds which are relatively abstract and difficult for students. We explained each model's development during the lessons and analyzed understanding students derived from these learning materials. In this context, achievement,…

The Université des Lycéens (University of High-School Students) was set up in France in order to make scientific knowledge more relevant to students and to combat a growing lack of interest in science among students. The scheme involves a series of lectures to students by scientists, each followed by a debate. The organisers hope that putting…