The paper describes the development and evaluation of a curriculum unit in which 3rd semester preservice students in pairs developed and tried out a series of IBSE lessons in primary schools. The preservice students were especially selected for a university-based course whereas until recently all primary …

Many students in secondary schools consider the sciences difficult and unattractive. This applies to physics in particular, a subject in which students attempt to learn and understand numerous theoretical concepts, often without much success. A case in point is the understanding of the concepts current, …