In the article analyzes the concepts of "natural science", "research" and "scientific research" based on scientific sources based on definitions given by domestic and foreign authors. It provides information on the development of preschool children in their natural learning activities. In recent years, we have faced many situations that require scientific knowledge, so preschool organizations need to introduce science with simple concepts. Considering natural learning as a means of developing logical thinking for children. The importance of the subject of science in the development of the child’s intelligence is emphasized by the offer of teaching natural sciences and ecology in preschool institutions. Moreover, they not only master the laws of nature, but also adapt them to their ministry, based on the conclusion that scientific concepts based on natural science constantly help the child to develop his thinking. Based on the results of psychological and pedagogical studies of teachers and practitioners of natural science, it is proved that the use of these studies in preschool institutions can provide a basis for the further development of children's thinking in accordance with modern requirements.