Development of Digital Teaching Materials Based on PBL and Socio-Scientific Issues Content on Fluid Topics to Improve Critical Thinking Skills

Abstract

Critical thinking skills are one of the 21st century skills that must be mastered. The implementation of the learning process with the Problem Based Learning (PBL) learning model and using Socio Scientific Issues (SSI) content can support the improvement of critical thinking skills and produce meaningful learning. This research aims to determine the characteristics, feasibility, practicality, and effectiveness of teaching materials in improving students' critical thinking skills. This research method is Research and Development (R&D) with the ADDIE approach (Analysis, Design, Development, Implementation, and Evaluation). The results showed that the teaching materials developed were valid and feasible to use to improve critical thinking skills. The instrument used to measure critical thinking skills is a test instrument. The average of N-Gain score obtained by experimental groups 1 and 2 is 0.728. Assessment through the test method shows that the development of teaching materials is effective in improving critical thinking skills.