In this paper, we propose a set of activities based on the use of a celestial simulator to gain insights into the retrograde motion of Mars as seen from the Earth. These activities provide a useful link between the heliocentric concepts taught in schools and those tackled in typical introductory physics courses based on classical mechanics for…

This study is an action research based both on quantitative and qualitative research techniques carried out with a group of fifth grade students in K"r,ehir during the 2003-2004 education year. In the study, the main purpose was to improve historical time concept and chronology perceptions among fifth grade students. Students' interests, reactions…

Investigates the acquisition of tense and aspect by learners of English as a Second Language and learners of French as a Foreign Language. Examination of written narratives collected from both groups using a film retell task reveals similar patterns of distribution of tense/aspect morphology across target languages. (29 references) (Author/CK)

In this article we report on one of four schools involved in a research project aiming to develop knowledge about the way in which teaching knowledge is conveyed with the help of information and communication technology. A particular interest was issues of fundamental values. Two classes in Grade 9 of Swedish compulsory school were studied, by…