The Ash Soap making in the state of Minas Gerais, Brazil: from the status of ethnoscience to its mediation for the classroom using an ethnographic hypermedia system

The ash soap making process developed by women from the interior of the state of Minas Gerais, Brazil, is described and analyzed in order to typify it as ethnoscience. Some of the major conceptions related to folk knowledge, ethnoscience and the chemistry of saponification are presented in order to...

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Bibliographic Details
Main Authors: Paulo César Pinheiro, Marcelo Giordan
Format: Article
Language:English
Published: Universidade Federal do Rio Grande do Sul 2010-11-01
Series:Investigações em Ensino de Ciências
Subjects:
Online Access:http://www.if.ufrgs.br/ienci/artigos/Artigo_ID241/v15_n2_a2010.pdf