First Author:   Marcus F. da Silva Instituto Federal da Bahia marcus.fisico@gmail.com   Salvador, Brasil       Second Author: Eder J. A. Leão Instituto Federal do Maranhão ederjohnson1@hotmail.com         Third Author: Idaraí Santos de Santana Secretaria of Education State of Bahia Idaraí444@gmail.edu         http:// Fourth Author: José Garcia Vivas Miranda Federal University of Bahia vivasm@gmail.com         http://