Asian Journal of Education and Social Studies

This research is developing guided-inquiry worksheet by analysing validity, practicality, and effectiveness to improve process skills and understanding at seventh-grade junior high school. Developed worksheet expected to connect and reflect "educator" and "learner". Learning science by worksheet using integrates learning from actual hands-on activities and minds-on activities. The data collected by questionnaires and practical observation analysed with the t-test. The result of validity is 3.83, and the practical observation means 3,87 showed of 0,000