A pesquisa em educação em Ciências vem recomendando atenção às práticas ar-gumentativas. O desafio é buscar atividades que estimulem esse tipo de prática para que os alunos falem Ciência, pois isso é considerado benéfico à compreensão con-ceitual e proporciona aos alunos a capacidade de pensar criticamente em um con-texto científico. Neste trabalho de doutorado, é discutido como 20 atividades com experimentos i...
Research in Science Education has been recommending attention to argumentative practices. The challenge is to look for activities that can stimulate this type of practice so that the students talk science, since it is considered to be beneficial to conceptual understanding and provide students with the ability to think critically in a scientific context. In this paper, it is discussed how 20 activities with inq...
Argumentation has been a concern in Science Education research. It is considered to be beneficial to conceptual understanding and provide students with the ability to think critically in a scientific context. Formulating arguments is significant in developing science activities, but in school context students need to be given the opportunity to engage in argumentation. Considering the Brazilian context, this is...
In this work were synthesized and studied four new coordination compounds of copper(II) with phenylseleninato ligand, three of them polymeric and one molecular. The reaction of phenylseleninic acid with copper(II) acetate led to microcrystalline light blue powder of polymeric compound catena-poli-[Cu(μ2-O2SePh)2], 1. That powder was used to obtain crystalls of 1 and three others: catena-poli-[Cu(μ2-O2SePh)2(NH3...