As a consequence of student difficulties related to concepts of greater abstraction of Chemistry, the concept of Meaningful Learning according to the theory of Ausubel was used in this work. From it, the twodimensional ...

The limited information on electrolytes in high-school textbooks, the reduced time of weekly chemistry classes, and the lack of a laboratory in some schools suggest the need for an adaptation, for the teaching of this ...

The present work investigated high school students about the elaboration of conceptual maps and the resolution of their problems related to the topic intermolecular interactions. For that we based upon Ausubel's theory of ...