This paper is aimed, firstly, at suggesting the need for in-training Primary Education Teachers to build up general knowledge about science structuring contents as well as history of science from a gender perspective. This training in science should help students to analyse the relationships between science-technology and gendersociety throughout history and at present. Secondly, a qualitative research carried out about a proposal developed by Science Didactics students of the Degree in Primary Education in the University of Granada about biographies of female scientists is described. Finally, the results of the research are presented, all leading to some key ideas on how to introduce the gender approach in the teaching of science. [ABSTRACT FROM AUTHOR]