Chimica nella Scuola

Volume 5, No. 5Vol. 5 n. 5

Published 25 January 2024

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Transizione ecologica

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    Fabio Olmi

    Elementi chimici strategici e critici

    The article deals with the problem of strategic and critical materials, explaining their meaning and listing the today 34 critical raw materials. Then it addresses the European situation and focuses on the issue and the measures taken to reduce Europe’s strong dependence on third countries. The situation of Italy in this field is also presented. Finally, some examples of critical raw materials are examined, discussing the future need to their recycling on a large scale.

Percorsi laboratoriali

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    Giulia Castiglioni

    Condensazione aldolica e visual thinking: Come usare sketchnotes per descrivere un percorso teorico-sperimentale di Green Chemistry

    An alternative to the implementation of the classic lab notebook is proposed, in which visualization and schematization strategies are carried out in the inclusive view toward students preferring pencil over pen, drawing over text. Everything is included in a Green Organic Chemistry pathway, based on the carbonyl compounds and related aldol synthesis.

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    Maria Zambrotta

    3Rs e i prodotti del futuro: Act Now for the Sustainable Development Goals - SDGs in STEM Education

    The work 3Rs and the product of the future, developed by the three authors Iro koliakou, Anders Floren and Maria Zambrotta, aims to stimulate reflection on more sustainable productions, starting with both raw and recycled materials. The abbreviation “3 R’s” stands for Reduce, Reuse, and Recycle and encapsulates the aims of the activities: the impact of daily plastic use is highlighted, several workshop activities on the study and reuse of wool, and the production of cement from mussel shells are presented. The goals are to engage students in active learning and stimulate their critical thinking. In the online publication curated by Science on Stage, the following three sections are developed: (1) Bioplastics concerning an in-depth look at the use of plastics and the production of bioplastics; (2) Wool as a resource; in this regard some teaching units are published on wool as a raw material for bio-based products and the production of different products through simple chemistry experiments are reported; (3) How to make cement from mussel shells in which the production of cement using biomaterials is illustrated. In this article will be presented only the section related to the Wool.

Percorsi didattici per la Scuola primaria

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    Luisa Bertinetto, Francesca Turco

    Il cibo che mangi(amo): gli zuccheri: Metodologie cooperative per supportare la corretta nutrizione nella Scuola Primaria

    This article reports a fragment of the activities carried out in the Experimental Thesis path proposed in two fourth classes of the Primary School. Thanks to this path, the adoption of proper nutrition is promoted, making use of an Experiential Laboratory and cooperative teaching methodologies, capable of privileging the collective construction of knowledge. The field of Food Education is extensively explored, starting with the dimension “Me and food”, continuing with “Me, food and eating habits” and ending with “Me, food and the environment”. The part of the pathway described in detail here concerns eating habits, with a focus on sugar.

Pagine di storia

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    Franco Calascibetta

    L’Istituto di Chimica dell’Università di Roma sotto la direzione di Nicola Parravano

    Nicola Parravano was one of the main protagonists of the Italian chemical community in the years between the two world wars. In that period, he was, among his many offices, the Director of the Chemical Institute of the Royal University of Rome. In this article the history of this institution is reconstructed and the personalities who worked in it are recalled, to better highlight the ideas and choices that inspired Parravano’s scientific and political action.

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