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Direct linkMolvinger, Karine; Lautier, Gaëtan; Ayral, Rose-Marie – Journal of Chemical Education, 2021
This article focuses on the case study of the concept of covalent bonding for 10th grade pupils in France. On the basis of their conceptions and difficulties, didactical engineering has been established that should lead to an improvement in the understanding of this concept. After analyzing the pupils' difficulties, we reflected on the…
Descriptors: Science Instruction, Grade 10, Secondary School Science, Teaching Methods
Chapon, A.; Gibelin, J.; Lopez, O.; Cussol, D.; Durand, D.; Desrues, Ph.; de Préaumont, H. Franck; Lemière, Y.; Perronnel, J.; Steckmeyer, J. C. – Physics Education, 2015
The Billotron is a device designed and built by the LPC Caen to illustrate the methods with which physicists are able to study the basic structure of matter, in particular the nucleus of the atom.
Descriptors: Science Instruction, Molecular Structure, Physics, Science Experiments
Cokelez, Aytekin; Dumon, Alain; Taber, Keith S. – International Journal of Science Education, 2008
The purpose of this study is to identify how upper secondary school French students (Grade 10-12) interpret chemical transformation with regards to the changes within molecules and atoms, and in terms of intramolecular and/or intermolecular bond breaking. In order to identify and describe the students' assimilated knowledge, four questions were…
Descriptors: Case Studies, Chemistry, Scientific Concepts, Grade 9
