This article presents the results of a focus group made up of eight preservice science teachers training, who carried out their final pedagogical practice in the context of the construction and development of contents related to nutrition, vaccines and health, chemistry in the kitchen, taking as its linchpin the generic learning outcomes (GLOs) tool developed for the world of museums. Future teachers highly value the GLOs tool, to the extent that it allows visualizing the different moments of planning and evaluation, as well as a broader focus on the concept of learning; teachers especially highlight the support provided by experts in the school planning process. Keywords: Generic Learning Outcomes; School Planning; Learning Assessment; Preservice Science Teachers Training; Museums.