THE EFFECT OF GUIDED INQUIRY LEARNING MODEL TOWARD STUDENTS’ CRITICAL THINKING SKILLS ABOUT MOMENTUM AND IMPULSE IN SENIOR HIGH SCHOOL

Abstract

The aim of this research is to know the effect of guided inquiry learning toward students’ critical thinking skills about momentum and impulse in class X SMAN 1 Berastagi academic year 2018/2019. The type of this research is quasi-experiment design using pre-test and post-test, with experiment class used guided inquiry learning model and cotrol class used conventional learning. The population is all students of class X SMAN 1 Berastagi which consist of 7 classes, sample of these research was taken with a simple random sampling are two classes, one class that is X MIPA 1 that consist of 36 students as control class and X MIPA 2 that consist of 36 students as experiment class. The instrument of this research is multiple choices as twenty questions. Based on this research the average of pre-test in experiment class is 38.75 and incontrol class is 37.77, and then the average of post-test in experiment class is 63.88 and in control class is 56.66. Data were analyzed with t-test with significant level 5%. This research was concluded that there was significnt effect of guided inquiry learning model toward student’s critical thinking skills . Keywords : Guided Inquiry Learning Model, Critical Thinking Skills