This research aimed to determine pre-service science teachers' STEM awareness in terms of different variables. Data were collected from 148 pre-service science teachers studying at a state university in Turkey who were chosen through the convenience sampling method. "STEM Awareness Scale (SAS)" was employed as data collection tool, and the data were analyzed using IBM SPSS-21 statistical program. For data analysis, Independent t test, variance analysis (ANOVA) and Tukey significance test were used. No statistically significant difference in pre-service science teachers' STEM awareness in terms of gender, academic achievement score, technology usage frequency, and family income level. While they significantly differ in their STEM awareness with regard to grade level.