MOTTO "Bring the child closer to science and let him answer by himself. Let him base what he knows not on what you have told him, but on what he has understood. Let him not merely learn science, but think it. Let us keep his curiosity alive and create the conditions that bring him closer to the world of science. Let us encourage the child to observe, to investigate and to discover." — J. J. Rousseau Abstract In contemporary education, active and student-centered learning stra