Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
The strength of this phenomenon can be measured using the Wilhelmy plate method. The dispersion relation for water waves has two terms, one governed by gravity and one governed by this phenomenon. The strength of this phenomenon is usually measured in dynes per centimeter, as it has dimensions of energy over area. The strength of this phenomenon is lowered by surfactants, and it arises because liquid molecules at an interface experience attractive hydrogen bonds only from one side. For 10 points, name this phenomenon which allows water striders to walk on water, a cohesion observed in liquids on their interface with air.
A:
Science