ThermoNet is the instructional website associated with the new website-textbook learning system Thermodynamics with ThermoNet. The goal of this learning system is to leverage the strengths of a printed textbook with those of an instructional website. A brief overview of this learning system is presented. Graphics are classified as application, reinforcing, Socratic or comparative in ThermoNet. Socratic graphics are part of a large piece of content referred to as Socratic Media, in which the Socratic Method is used to present new concepts. The design of Socratic Media is discussed and two examples are presented. Examples of the two main types of interactivity in online example problems are given.