This article sought to know from the study of the voices, the pupils' perception about teaching non-traditional when they are involved in scientific inquiry in the classroom. For discourse analysis, the study of the voices is one of the dimensions and possible investigative corresponds to the "dialogism" of Bakhtin (1986), the principle that we always speak the words of others. The speech of a single subject is made up of many voices called for him to compose the speech. In transcripts of interviews with 27 pupils, we found six voices that show what pupils think about the pedagogical innovation which have been submitted.
Science education; scientific inquiry; discourse analysis