DEVELOPMENT OF PHYSICS E-LEARNING BASED ON PROBLEM BASED LEARNING TO IMPROVE STUDENTS’ HIGH-LEVEL THINKING ABILITIES AND LEARNING INTERESTS IN FLUID MATERIALS: DEVELOPMENT OF PHYSICS E-LEARNING BASED ON PROBLEM BASED LEARNING TO IMPROVE STUDENTS’ HIGH-LEVEL THINKING ABILITIES AND LEARNING INTERESTS IN FLUID MATERIALS. SPEKTRA: Jurnal Kajian Pendidikan Sains, [S. l.], v. 11, n. 2, p. 245–256, 2025. DOI: 10.32699/spektra.v11i2.9700. Disponível em: https://ojs.unsiq.ac.id/index.php/spektra/article/view/9700. Acesso em: 27 nov. 2025.