The stickiness of water molecules is what gives water its unique properties. Cohesive forces and surface tension are discussed. Duration: 9:44.
VIDEO CHECK QUESTIONS
8.7a How is it that a paperclip can rest on the surface of water?
8.7b Why does water form a sphere in the absence of gravity?
8.7c How does soap reduce the surface tension of water?
All video check questions can be downloaded from the EXTRAs menu.