Nature of science (NOS) is a key component of scientific literacy, so science teacher education on NOS is critical to ensure students' scientific literacy. According to mainstream NOS literature, explicit and reflective interventions are recommended to effectively teach NOS. This paper presents an experience for the initial education of secondary…

This paper examines the process of high school students' planning investigations in the chemistry laboratory across two consecutive academic years in terms of their actions and their progress. The context is a set of five inquiry-based laboratory tasks in which participants (9th and 10th graders, 14-15 and 15-16 years of age) are required to plan…

Numerous investigations show that most school science teaching, in Spain and elsewhere, implicitly transmits an inductivist and very stereotyped view of science and conveys an unrealistic image of scientific work. We present some results of an investigation with fourth-level Spanish secondary education students (15 year olds) who were taught…

This Spanish contribution to the STTIS (Science Teacher Training in an Information Society) investigations of transformations of curriculum innovations studies the implementation of a particular innovative teaching sequence on energy degradation in Spanish secondary schools. The paper describes the transformations found in teachers'…