Welcome. 1  Welcome to the Internet home of Park County School District 6. Together, the eight schools that comprise our district provide a safe, empowering learning environment for kindergarten through twelfth grade students in Cody, Wyoming.
Insulation. Styrofoam insulates much more effectively than plastic, which means your cold drinks stay colder longer and your hot drinks stay hotter. Plastic cups are not recommended for hot drinks, and they do not have the insulation properties of Styrofoam.
The earliest precursor to what we call the styrofoam cup was invented in Germany in the 19th century. Today, however, when we enjoy a hot drink that stays hot or a cold drink that stays cold, holding it in a hand that stays dry and at normal body temperature, we are actually using a different type of foamed plastic called polystyrene. Styrol.