Abstract:
Abstract:
The learning with an environmental approach could become a solution to train critical thinking skill by the student worksheet that correspondence with the surrounding environment can develop the students’ critical thinking skill. The research aims was describe the students’ critical thinking skill on Ecological learning through environmental education. Development of research use Tessmer Evaliation Formative folowed self-evaluation step; expert review step; one-to-one step; small group step, and field test step. The research was executed from September to December 2018 in SMA Negeri 9 Banjarmasin. The critical thinking skill data was received on the field test which was done by calculating the students’ worksheet scores. The data analysis is using descriptive. The results show the students’ critical thinking is very high categorized on the interpretation indicator; the analysis, evaluation, and inference indicators are high categorized.