The way the liquids act when placed on the plastic depends on how the molecules of the liquid and the surface interact. Add more water, oil, and corn syrup to their labeled cups until they are about 1 ...

But, what is the manner in which liquids move over a solid? Do all of the liquid molecules slowly drift over the solid surface? Or, are the liquid molecules mostly stationary, and only a few molecules ...

Evaporation happens when water molecules at the surface of a liquid move fast enough to break away from other water molecules and escape from the liquid into the air. Condensation happens when water ...