Robótica aplicada ao ensino de resistores

Abstract

Robotics ,as a supporting way in the Physics teaching, is one of the challenges that the present research suggests to a group of thirty students who belongs to a third year of secondary education from a Public High School from Paraná State. This technology aims to lead the student to question, to think and search for solutions, to use the theory associated to the practice, using for that the insights obtained in the classroom, such as the math and physics concepts, the everyday experience, pointing out the interpersonal relationships and the social values. Thus, to enable the student that he/she can be able to interact with the reality and develop the capacity to formulate and solve problems. The teacher through a didatic sequence created, will develop studies about a specific theme, in this case, ohmic and non-ohmic resistors, using an eletronic circuit coupled with a robot car (prototype), specifically created to the lesson theme. The students background knowledge and their life experiences will be included in the lesson context, at this moment, the teacher has the chance to observe the spontaneous conceptions of students about the theme. The robot car must be used as a didatic resource that will admit that the students make some considerations about the studied topic.This robot car, specific, will have light dependent resistors (LDR) and temperature sensors (NTC) to help in its movement contributing to the teaching-learning of the conceptual contents. The discussion about the Ohm Law and its application, analysing the characteristic of the curve of the ohmic resistor and a non-ohmic one, its functionalities, the 8 approach of calculation and reflecting about the functioning of the robot car. It is aimed with this work to offer an stimulating and automotivator teachinglearning environment with theoretical and practical information, making use of robotics, fostering the development of shared activities between students and teacher, more strongly, it is aimed to observe the contribution of this environment to the understanding of the Physics concepts dealt in the secondary education. This approach is based on teaching by research with the help of technological resource , defended the theories of Bachelard (1938), Gil-Perez (1986), Moreira (1980), Kuhn (1975), where the student develops the argument, shares the ideas, the exchange of examples as the acquired knowledge. It is an essential process to develop with students and get them to understand the importance of teaching of physics associated with a technological resource so rich, that is the use of robotics in the classroom. With regard to the professional and personal improvement, it was possible to review the pedagogical practice, from the understanding of the importance of the proposed investigative process, not only the result of it. Moreover, the experiment has brought to light the importance of the context of the proposed study, and this, in turn, helped to change the look with the subject of learning. The work contributed to the appropriation of concepts of physics involved, demonstrating that these, coupled with robotics could favor learning of them through a technological resource not as present in the context of public school.