The big idea of "celestial motion", observational astronomy phenomena explained by the relative position and motion of objects in the solar system and beyond, is central to astronomy in primary and secondary education. In this paper, I argue that students' progress in developing productive, scientific explanations for this class of…

Students with special needs tend to show significantly lower achievement in science than their peers. Reasons for this include severe difficulties with academic skills (i.e. reading, math and writing), behaviour problems and limited prior understanding of core concepts background knowledge. Despite this bleak picture, much is known on how to…

In the last 30 years or so, science educators in the Western world have come to recognise the importance of the social and cultural context in which learning occurs (Cobern, 1993, 1994; Hodson, 1993; Leach & Scott, 2003) and have, through such movements as science, technology, society and the environment (Pedretti, 1997; Solomon, 1991; Solomon &…