The World of Chemistry is a television series on introductory chemistry hosted by Nobel prize-winning chemist Roald Hoffmann. The series consists of 26 half-hour video programs, along with coordinated books, which explore various topics in chemistry through experiments conducted by Stevens Point emeritus professor Don Showalter the "series demonstrator" and interviews with working chemists, it also includes physics and earth science related components. The series was produced by the University of Maryland, College Park and the Educational Film Center and was funded by the Annenberg/CPB Project (now the Annenberg Foundation), it was filmed in 1988 and first aired on PBS in 1990. This series supports science standards recognized nationally by the United States (NSTA and NCSESA) and is still widely used in high school and college chemistry courses. The entire series was previously available on learner.org for free in an online video streaming format, but streaming for this series was discontinued on June 25, 2019. Awards The awards won by The World of Chemistry are given below American Film and Video Festival1990 Finalist Award for "On the Surface" Columbus International Film and Video Festival1991 Honorable Mention Award for "Color" Houston International Film Festival "Worldfest Houston"1991 Silver Award for "Color" National Educational Film and Video Festival1990 Gold Apple Award for "The Periodic Table" List of episodes The World of Chemistry - The relationships of chemistry to the other sciences and to everyday life are presented. Color - The search for new colors in the mid-19th century boosted the development of modern chemistry. Measurement: The Foundation of Chemistry - The distinction between accuracy and precision and its importance in commerce and science are explained. Modeling the Unseen - Models are used to explain phenomena that are beyond the realm of ordinary perception. A Matter of State - Matter is examined in its three principal states — gases, liquids, and solids — relating the visible world to the submicroscopic. The Atom - Viewers journey inside the atom to appreciate its architectural beauty and grasp how atomic structure determines chemical behavior. The Periodic Table - The development and arrangement of the periodic table of elements is examined. Chemical Bonds - The differences between ionic and covalent bonds are explained by the use of scientific models and examples from nature. Molecular Architecture - The program examines isomers and how the electronic structure of a molecule's elements and bonds affects its shape and physical properties. Signals