Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

In its most basic form, surface tension is the tendency of liquids to bead up rather than spread out because they are more attracted to themselves (cohesion) than they are attracted to other things, ...

Foaming is nature’s way of making beer even more delicious. Yet not all foams are understood because they don’t seem to obey the model that explains most of the rest. Understanding these atypical ...