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This study aims to determine the effect of PBL models on problem-solving ability in static fluid material in class XI IPA SMAN 1 Silima Punggapungga. Type of research is a quasi experiment with two group pretest-posttest design and the population are 2nd semester XI IPA student (6 classes). Sampling were class XI IPA 1 as an experimental class (34 students) and class XI IPA 2 as a control class (34 students). Instrument of study results are 5 questions and activity observation sheets. The results showed the average value of the experimental class pretest was 28.68 with a standard deviation of 9.74 and the control class average value was 30.69 with a standard deviation of 7.29. The post-test average value of the experimental class is 77.65 with a standard deviation of 11.01 and a control class of 72.79 with a standard deviation of 8.27. The results of post-processing data (anava) obtained Fcount = 4.08 and Ftable = 3.998, so that Fcount> Ftable then Ho is rejected and Ha is accepted. This shows that there is a significant effect of PBL model on problem solving ability in static fluid material in class XI IPA in Semester II in SMAN 1 Silima Punggapungga S.Y.2016/2017.

PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN PEMECAHAN MASALAH PADA MATERI POKOK FLUIDA STATIS DI SMA NEGERI 1 SILIMA PUNGGAPUNGGA