Instructional technique questions in the evaluating stage of project based learning to improve concept map score

The study aimed to improve student's Concept map (CM) scores teacher's questions on evaluating data, arriving a conclusion, presenting the project in class as preferred and discussion (evaluating data) stage of Project Based Learning. This research was a classroom action research with 3 Cycles. Procedure of this research are planning to compile the lesson plan, implementation of actions, observation, reflection, and construct expert concept map. The subject of this research consisted of 36 students of senior high school. The research data is the concept map score. Validation use triangulation method. verification of CM scores suitability and documentation based on CM experts and interviews. Data obtained by reducing data, graph transformation, and drawing conclusions. The result of this research showed that the teacher's questions functioned as instructional techniques that improve the CM scores of students.