This study was conducted to determine and compare science literacy levels of children in early childhood period in terms of various variables. Survey model was used in the study which was conducted with 211 children who attend pre-schools in Bilecik, Turkey. As data collection tool, Early Childhood Science Education Content Standards Scale (SCSS) was used and as a result of data analysis, it was found that the children participating in the study had medium level of science literacy. In terms of the variables of age, number of siblings, the education background of the parents and science materials the participants have in their houses, a statistically meaningful difference was found in the science literacy scores of the children. In terms of the variable of gender, a statistically meaningful difference was not found in the science literacy scores of the children.