The levels of representation in de teaching of chemistry and the categories of Peirce´s semiotics

This work presents a panorama of the researches in chemical education that treat of the subject of the representation of the chemical knowledge. We focused our study in those works that contemplate the model of the three different levels of the chemical knowledge proposed by Alex Johnstone, trying t...

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Bibliographic Details
Main Authors: Daisy de Brito Rezende, Edson José Wartha
Format: Article
Language:English
Published: Universidade Federal do Rio Grande do Sul 2011-10-01
Series:Investigações em Ensino de Ciências
Subjects:
Online Access:http://www.if.ufrgs.br/ienci/artigos/Artigo_ID264/v16_n2_a2011.pdf