This study aims to analyze the effect of the implementation of the Problem BasedLearning (PBL)model assisted by Canva-based audio visual media on the learningoutcomes of Natural and Social Sciences (IPAS) in fourth grade students of SDN Pekalongan II Cilegon. This study uses a quantitative method with a pre-experimental design, namely one-group pretest-postest design. The research sample consisted of 27 fourth grade students. The results showed a significantincrease in student learning outcomes after the implementation of the canvaassisted Problem Based Learning (PBL)model. The average pretest score 53,04with a very low category and increased to 85,19 in the posttest with a high category.The paired sample- t-Test hypothesis test showed a significance value of 0,000 <0,05, wich means the hypothesis is accepted. This confirms a significant effect. Inaddition, the N-Gain Score of 71 with a high category with a percentage value64,46% indicates the influence of the learning model on IPAS learning outcomes.Furthermore, the results of the Canva media questionnaire proved effective inincreasing student motivation in understanding the material and fostering criticalthingking skills.