The U.S. National Olympiad (USNCO) is a multi-tiered competition designed to stimulate and promote achievement in high school chemistry. The Goals of the USNCO and the schedule are set by a subcommittee of the ACS Society Committee on Education (SOCED).
This series of books introduces you to science with wacky facts and information. Inspired by the British series of history books by Terry Deary, this set of books covers physics, chemistry and natural sciences.
These eight online games teach you the chemical elements, periodic table, and more.
Tables charting the chemical elements have been around since the 19th century - but this modern version has a short video about each one.