This research is motivated by learning that still tends to use the method of explaining in the material on the theme of Environment learning objectives that have yet to be achieved optimally, affecting the effectiveness of student learning. One of the efforts that can be used is through smart tree learning media. This research uses research and Development (R&D) research methodology. Smart Tree Learning Media is carried out based on ADDIE development steps. Populusi in this study were 20 SD Negeri grade IV students 105286 Tandam Hilir 1. The results showed; (1) the material expert validity test got a score of 92% and was very well qualified, (2) The validity test of media experts got a score of 86.67% and was of very good qualifications, (3) the validity test of Class IV Teachers got a score of 90% was in very good qualifications, (4) individual trials got a score of 91.11% were in very good qualifications, Small Group trials got 90.13% were in very good qualifications, Large Group trials got 88% scores were in very good qualifications. The results showed a significant difference between students' learning outcomes using thematic Smart Tree learning media and conventional learning media.

The reason for this study is learners' low critical thinking ability on the material "economic activity". This study aims to describe the results of the application of Talking Stick-based learning media to students' critical thinking skills on the material of economic activities carried out in class VII I of Al Maksum Stabat Private Junior High School. This research method uses a qualitative method with a descriptive approach. The data collection techniques used are interviews and documentation. The research acts as a data collection instrument. According to Miles and Huberman, the data analysis techniques used are data reduction, data presentation (data display), and conclusion drawing/verification. The research subjects used are students of class VII I of the 2022/2023 school year. The number of students is 25 people. The results of this study showed learners' critical thinking ability on the material of economic activity. Seven participants in Students were able to answer when they got their turn in the talking stick game, while 2 students were still reluctant to answer questions. Researchers use questionnaires to discover the development and influence of the application of Talking Stick learning media.