“…However, many studies, namely those related to the first years of schooling, show that many teachers do not value science teaching and learning and its experimental character, that teachers are not scientifically or pedagogically well prepared and that they do not emphasise high level competences needed, for example, to problem solving or to the application of scientific knowledge to everyday situations (Sá & Carvalho, 1997;Harlen & Jelly, 1993;Harlen & Holroyd, 1997;Tilgner, 1990;Radford, 1998;Hodson, 1998;Briscoe, Peters & O'Brien, 1993;Lewis & Barufaldi, 1993). According to Briscoe, Peters and O'Brien (1993), and many others, science learning should start in the first years of schooling.…”