This study aims to investigate how girl students can be empowered through development of critical thinking skills in science. The researcher was interested in studying the effectiveness of Kolb's experiential learning in developing critical thinking skills of secondary school girl students. One group pretest-posttest design was used for this study. The tool used for this study was a test for measuring critical thinking skills in science which was constructed by the researcher. The sample of the study consisted of 40 girl students selected from a school in Maharashtra, India. The data of pretest and post-test were analysed through paired sample t test. The results of the study shows that the treatment was very effective in developing the critical thinking skills of girl students of secondary schools.