How do scientists make inferences for something they cannot directly observe? The Black Box approach seems ideal to help students understand how scientists work. Black Boxes are sealed units; their interior is not accessible. The effort to determine their possible content (internal structure) demands successive modifications in hypothesis,…

The meaningful learning of respiratory system will be enacted by students through the utilization of problem-based learning interactive media. This study aimed to develop problem-based interactive learning media on respiratory system material. This Research and Development (R&D) was conducted based on Borg and Gall with ten stages, namely: 1)…