Ensino de ondas eletromagnéticas no 9º ano do ensino fundamental por meio de uma situação problema

Abstract

This work presents an account of the development and application of a didactic sequence for the teaching of electromagnetic waves in the 9th grade of elementary school from a problem situation that question the risks of living in a world immersed in waves. By means of this situation-problem students were instigated to investigate various phenomena which involve the use electromagnetic radiation on a daily basis. The activity was divided into four stages: i) presentation of the situation-problem; II) definition of subfields of research and research proposal iii) presentation of results; IV) making informative video on the subthemes investigated. During the execution of these tasks, the students had the opportunity to develop skills and abilities that are important for the understanding of the construction process of science and learning of physical concepts, among which we stress teamwork in research processes, the ability to recognize relevant sources for the investigation of a problem, the ability to mobilize resources and people and to hear and give opinions. In addition, the didactic sequence allowed students to take care of multi-disciplinary form scientific knowledge and contextualized. The results of this work made it possible to enhance the didactic sequence developed that is reintroduced in Appendix I in the form of an educational product to help science teachers of elementary school in the approach to the concept of electromagnetic waves with their students, and may also be appropriate to explore other themes, according to the needs of the teacher.