字幕列表 影片播放 列印英文字幕 Diffusion. Diffusion is the movement of molecules from high concentration to low concentration. Sorry. Where should I pour this water? Air particles enter the empty container. Air particles possess energy. Particles start moving randomly. They bump and bounce into one another. Eventually, air particles spread out and fill the entire container. This is the concept of diffusion. Sorry. Can you paint my picture, please? The End. Subscribe to our YouTube channel: Smart Learning for All.