8.9 Surface Tension DemonstrationSUMMARY
Demonstration showing how the adhesion of water molecules can be strong enough to prevent an inverted bottle of water from pouring out of a container. Duration: 4:38.
VIDEO CHECK QUESTIONS
8.9a What force is keeping the card from falling off of the inverted jug and letting all the water spill out?
8.9b Why didn’t the stick fall out of the water?
8.9c Is there magic in science or science in magic?
All video check questions can be downloaded from the EXTRAs menu.