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Un voyage à travers le sol. Récit d’une animation destinée à faire découvrir la pédologie aux scolaires et au grand public

Abstract : Soils. The public education about the crucial ecosystem services ensured by soils and the promotion of sustainable management and protection of soil resources are among the specific objectives of the UN resolution. For this purpose, the “Fête de la science” event, supported by the French Ministry of Education, provides an appropriate framework for the creation of an educational activity named “A journey through the soil”. The aim of this workshop is to contribute to a better knowledge of soils by pupils (from local schools) and by a non-scientific audience. The student volunteers (Bachelor or Master degree) of the Lorraine University (Metz location) and the authors have created the various activities proposed in the workshop, and are both still involved in workshop facilitation since 2015. Organized in four themes (table 1), the workshop guides pupils through a travel within the soil (figure 1). In the first theme (figure 2), students discuss with pupils to define soil by asking questions (what is a soil? the floor of the classroom? the garden soil?) and clarify them with posters. Theme 2 corresponds to the soil components and organization (figure 3), which are studied by various experiments (HCl test, soil texture by feel) or observations (thin section). The observation of soil living organisms (figure 4) in theme 3 allows explaining their role in organic matter recycling and illustrates soil biodiversity. Finally, the last theme (figure 5) shows services provided by the soil and threats affecting its quality through a game where pupils place objects related with services or threats on a carpet representing various soil environments. For the last four years, the workshop “A journey through the soil” has received about 750 pupils, 250-300 persons during the wide audience action, both under the supervision of 30 students. Experimentations are pupils’ favorite activities, while adults prefer to debate with the workshop coordinators (students or authors). Students have enjoyed working with children. Furthermore, their involvement in this workshop allows them to practice soil science and develop their skills in public speaking or group facilitation. Finally, this workshop may evolve according to current issues concerning soils and environment.
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Submitted on : Tuesday, March 9, 2021 - 10:46:24 AM
Last modification on : Tuesday, May 10, 2022 - 3:38:04 PM
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Delphine Aran, Florence Maunoury-Danger. Un voyage à travers le sol. Récit d’une animation destinée à faire découvrir la pédologie aux scolaires et au grand public. Etude et Gestion des Sols, Association Française pour l'Etude des Sols, 2019, Numéro spécial : Communiquer et sensibiliser le grand public aux sols, 26 (1), pp.163-173. ⟨hal-03163266⟩



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