Pembelajaran Inkuiri Terbimbing Berbasis Praktikum Pada Topik Laju Reaksi - Tri Sundari

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This study aims to investigate the influence of learning guided inquiry based on practicum on the rate of reaction to mastery of concepts and students' scientific attitudes. The research was conducted in one of the private high schools in Bogor City class XI IPA in the academic year 2016/2017. The population was 192 students with the total sample of 60 students divided into 31 students following the guided inquiry based learning and 29 students followed the traditional learning. The data collection is done through the test of mastery of the concept of reaction rate and the questionnaire of scientific attitude with Likert scale. Data were analyzed statistically descriptive and inferential using independent t-test. The results showed that there was a significant difference between the mastery of students 'concepts that followed the guided inquiry learning based on practice (average 80.7) and the mastery of students' concepts following traditional learning (average 74.8). Students 'scientific attitudes also showed significant differences between students who followed learning with guided inquiry based on practice (average 3.2) and students' scientific attitudes following traditional learning (average 2.2). Thus it can be concluded that guided inquiry learning based on practice can improve the mastery of students' scientific concepts and attitudes. Key Words : Guided inquiry, practicum, conceptual mastery, and scientific attitude