This module provides a "skill check" with questions for students on the properties of water, but also contains four content modules on the following: Hydrogen bonding Cohesion/Adhesion Temperature and State Changes in Water Acids, Bases, and pH. Content modules include videos, articles, figures, and illustrations, though the majority are videos. Users/students can also ask questions at the end of each module, and a the community of users have the option to volunteer answers to help clarify understanding or discuss the question further.