On primary level children get very little opportunity for training in reading explicatory and informational texts. However, such kind of texts predominate the school and private life of older children and adults. The use of informational text in content area reading is of course commonplace in science education once children have passed the learning-to-read stage and are fully reading to learn. Primary level should prepare them for learning from explicatory text and for searching information as well. In this article the way, how to begin to develop science literacy skills shall be explained. Such science literacy in the framework of which, students on primary level should learn how to learn science from explicatory texts and how to find information in explicatory and informational texts to solve the tasks they are confronted with in their science class.