Pengembangan LKS Inkuiri Berbantuan Media PhET untuk Melatihkan Keterampilan Berpikir Kritis

This study aimed to develop a PhET-assisted Student Worksheet (LKS) in training students' critical thinking skills. This development uses a 3-D model (Define, Design, and Develop). The product development, which has been validated and revised, was then tested on 44 students of class XI public high school in Surabaya using the One Group Pretest-Posttest design. Based on the research data, it can be concluded that the PhET assisted inquiry worksheets on the supported gas kinetic theory teaching materials are declared valid in quality in training high school students' critical thinking skills with an increase in skills reaching 80%.