Abstract
Abstract: The new school methods that " education with… health, environment, sustainable development " , constitute, are the opportunity to study the interactions existing between knowledge, professional teachers identity and " curriculum " change. The social stakes, the nature of knowledge, the implementation implied, force us to take the individual into consideration in learning-training situation. To recognize the social dimension of the scientific knowledge also implies modifications in the educational purposes of teaching. This article intends to determine didactics references marks.