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https://dx.doi.org/10.57694/69...
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Wenn Wasser unsichtbar wird

Authors: Dubach, Josua;

Wenn Wasser unsichtbar wird

Abstract

Auszug aus dem Artikel Wasser kommt im Alltag in allen drei Aggregatzuständen vor: Eis ist fest, Wasser flüssig und Dampf gasförmig. So weit, so gut. Die grosse (Lern)Schwierigkeit besteht darin, dass Wasser – wie auch viele andere Stoffe – im gasförmigen Zustand unsichtbar ist. Das heisst, man kann Wasser, sobald es verdunstet und zu Dampf wird, nicht mehr sehen. Kinder beschreiben dann oft: «Das Wasser verschwindet» oder «Das Wasser wird weniger». Diese Aussage ist korrekt, wenn man nur das sichtbare Wasser im Topf betrachtet. Falsch ist die Aussage, wenn das gesamte, ursprünglich im Topf vorhandene Wasser miteinbezogen wird. Denn Wasser kann nicht verschwinden, weniger werden oder sich auflösen. Es wird bloss unsichtbar, da es den Aggregatzustand wechselt. Beim Versuch, dieses Phänomen fassbar zu machen, stösst man aufgrund der Wahrnehmung an Grenzen. Aus diesem Grund wird ein theoretisches Konzept und Modell herangezogen: das Teilchenmodell. [8]

+repphzhbib2023A

Keywords

gnd:4128081-7, gnd:4141615-6, gnd:4064689-0, gnd:1122612540

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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