Main Article Content
The aim of this study was to determine the activities, attitudes, skills, learning outcomes and students’ response to the application of Teams Games Tournaments (TGT) model with the help of ular tangga medium on the subject of buffer solution to 11th graders of State Senior High School (SMAN) Number 13 Banda Aceh. This study employed a qualitative research approach. The subjects were the students of class XI MIA totaling 13 students, consisting of 8 female and 5 male students. The data were collected through observation, test and questionnaires. The research instruments used were the observation sheets of students’ activities, attitudes, and skills; cognitive test, the questionnaire sheet of students’ response. The data were analyzed by using quantitative descriptive analysis technique. The results of the observation of the first and the second meeting were as follows: (1) the average percentage of students’ activities were 86.75% and 95.25% respectively; (2) the average percentage of students’ attitudes were 76.92% and 94.23% in a row; and (3) the average percentage of students’ skills were 73.94% and 67.69% in a row. The percentage of students’ learning completeness classically was 82.50%. The result of students’ responses obtained an average percentage value of 92.20% with very good criteria. Based on the results, it can be concluded that the application of TGT model with the help of ‘ular tangga’ medium on the subject of buffer solution can improve the students’ activities and learning outcomes.