Experimentação no ensino médio de química: a necessária busca da consciênica ético-ambiental no u...

Conceptions of the role of experiments in chemical education, which were dominant from the 1960's to 1990's, did not take into consideration environmental issues. Generally, this fact can also be observed at present in the lack of management of chemical wastes produced in experimental classes and in the lack of policies, which guarantee the security of students and teachers, and of school communities, according to research carried out in 26 public schools of Distrito Federal in Brazil. Consci...