This work gives continuity to the existent reflections in the literature of scientific education area that suport considerations about the function carried out by the didactic laboratory in the science teaching. When placing didactic laboratory in a semiotic perspective, based on the referential of the multi-modal representations, it is defended the importance of that space in the school for appropriation, consolidation and improvement of the scientific concepts. The experimental action on and with the objects of the natural world and implicated instrumentation it is here pondered as a representational modal that should compose the multi-modal representations spectrum in teaching with the objective to making the speech and scientific ideas integrated and significant.
Didactic laboratory; Semiotic analysis; Science teaching