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%T Primary teachers' particle ideas and explanations of physical phenomena: the effect of an in-service training course %A Papageorgiou, George %A Stamovlasis, Dimitrios %A Johnson, Phil Michael %J International Journal of Science Education %N 5 %P 629-652 %V 32 %D 2010 %K Primary teachers; Particle ideas; Physical phenomena; In-service training; Science education; Primary school; Misconception %= 2011-02-28T17:37:00Z %~ http://www.peerproject.eu/ %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-220802 %X This paper presents a study concerning Greek primary school teachers' (n=162) ideas about the particulate nature of matter and their explanations of physical phenomena. The study took place during an in-service training course where the effectiveness of a specially designed intervention was tested. A key feature was an approach based on the concept of a substance and its states rather than 'solids, liquids and gases'. Pre-intervention, the teachers held misconceptions similar to those of pupils. Also, there seemed to be some relationship between the teachers' particle model ideas and their explanations of phenomena. Post-intervention, the teachers' descriptions and explanations were found to be significantly improved, with almost zero correlation between pre and post intervention scores. Implications for science education are discussed. %C GBR %G en %9 journal article %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info