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[en] The difference in the descriptions of motion phenomena made by pupils in the first grades of secondary school and physicists is quite evident. Conceptual metaphors hidden in language suggest that there is continuity between the conceptual structure involved in the description and the interpretation of motion of experts and lay persons. In this paper the presence of such a continuity is shown through a metaphor analysis of linguistic expressions from both groups.
[en] Schools are expected more than ever to teach in physics and chemistry an understanding of radioactivity in its many aspects. Simple experiments on the occurrence, the measurement and the properties of radionuclides are necessary for true understanding. Such experiments are now possible with novel methods of collection and storage of ubiquitous radon and radon decay products from air, water and solids. (orig.)
[de]Radioaktivitaet in allen Aspekten verstaendlich zu machen, ist eine Aufgabe der Schulen in Physik- und Chemie-Unterricht. Fuer ein echtes Verstaendnis sind einfache Versuche zum Vorkommen, zur Messung und zu den Eigenschaften von Radionukliden unerlaesslich. Solche Experimente sind mit neuen Verfahren zum Sammeln und Speichern von allgegenwaertigem Radon und Radonzerfallsprodukten aus Luft, Wasser und Feststoffen ueberall und jederzeit moeglich. (orig.)
[en] Professional Development (PD) refers to the means by which people acquire, develop, maintain and enhance the specialist knowledge and skills needed to practice in their profession. Extension Programs (aka Continuing Education) are offered by most post-secondary degree/diploma/certificate granting institutions.The courses are typically taken on a part-time basis, and course delivery often includes distance learning technology. An important implementation of PD is via workplace training, industry specific seminars, workshops and non-credit courses offered by a wide range of service providers.