Student worksheets based on Science, Technology, Engineering and Mathematics (STEM) to facilitate the development of critical and creative thinking skills

Abstract This study aims to describe STEM-based Student Worksheets, which facilitate the development of critical and creative thinking skills. Another aim is to test the level of readability, feasibility, and describe the improvement of critical and creative thinking skills after the Student Worksheet is applied. This research uses Research and Development (R&D) method as well as one-group pretest-posttest design. As research subjects were ten high schools in the city of Semarang. The results of the feasibility test indicate the criteria are suitable for learning by obtaining an average of 88.96% which means it is very feasible. In addition, the readability test showed that the worksheets were easily understood with an average of 91.66% and an analysis of improvement in critical and creative thinking skills was found to have high average criteria.