Koios is a new way to check your understanding of the concepts covered in AP Chemistry. Designed to check for core understanding of the concepts, Koios has many short, interactive quizzes designed to provide you with information about what you know and don't know about the concepts within the Big Ideas. Koios tells you what you don't understand and where you have to review or ask your teacher for more help.
Koios also rewards your efforts with digital badges completing various activities. Collect all the badges and unlock a final exam designed by award winning AP teachers that will help you prepare for your exam.