The scientific text is that which presents the development of a content in a systematic manner, an investigational product, providing tests and results.The adjective " 34 scientist; means, precisely, that any text that could be considered part of this genus, must meet certain formal characteristics, typical of all science.There is a variety of this type of text. From textbooks used in schools, until written complexes of great authors such as Darwin, all of them can be defined as scientific texts, although it is very different in style and works on the aim pursued.