The activities presented in this paper, which are addressed to elementary school, are focused on the pioneering work of the Portuguese King Carlos I in oceanography and involve the exploration of the exhibits belonging to two different science museums, the Aquarium Vasco da Gama and the Maritime Museum. Students were asked to study fish…

How do teachers help children understand the difference between the structure of a flower and that of a root? Depending on the time of year this activity is quite easy. Get a bunch of flowers, germinate some chickpeas and raid the kitchen for carrots and beetroots--the children can experience the "real thing". But what if teachers want the…

The aim of this study is to develop conceptual change texts in the teaching of aspects of the nature of science and to introduce the development of texts. The socio-cultural and the subjective aspects were taken into consideration in the conceptual change texts, which are presented in the study. The conceptual change texts were prepared to be used…