The Development of Science Worksheet Based on Inquiry Science Issues to Improve Critical Thinking and Scientific Attitude

This study aims to (1) produce science worksheet-based Inquiry Science Issues which is appropriate to improve students' critical thinking and scientific attitude, (2) know the potency of developing critical thinking in science worksheet based Inquiry Science Issues, (3) know the potency of developing scientific attitude in science worksheet based Inquiry Science Issues. The research method uses Research and Development (R & D), by pointing to Four D models. There were 4 main phases (define, design, develop, disseminate). The instruments used included product validation questionnaire, critical thinking test, observation sheet of critical thinking, and scientific attitude questionnaire. Result data of validation, critical thinking test, and scientific attitude questionnaire were analysed descriptively. The result showed that: (1) science worksheet based inquiry science issues that was developed was considered as very good by expert lecturers and teachers, and it was appropriate to use in learning process; (2) science worksheet based inquiry science issues could improve students' critical thinking; (3) science worksheet based inquiry science issues could improve students' scientific attitude. Based on the analysis, science worksheet based inquiry science issues is potential to improving students' critical thinking and scientific attitude at junior high school.