The educative system is determined by the exposed curricular frame in the policy of the State, the curricular practice of the teacher and curriculum. These three processes orient the educative practice in the school of Barranquilla. The research presented in the document considers the specific characteristics of the schools to construction of the scientific knowledge. In order to obtain the previous thing, two intentions have settled down: first to characterize the education of sciences in the public system of the city of Barranquilla and the second, to propose general suggestions to improve the education and learning of natural sciences and the environmental education. In order to reach these intentions a program of four stages was developed: 1. Accomplishment of a study pilot; 2. Data collection through questionnaire for teachers and students, ethnographic study and the accomplishment of a national event on education of natural sciences; 3. Selection of the sample and application of questionnaires and 4. Analyze the data and to establish the conclusions.