Here is a list of all the merit badges for scouts.
Each link has an overview of the requirements as well as the associated worksheet that is typically required to be used when working on a merit badge. They are in alphabetical order.
Note that some of the required badges for Eagle are up to the scout. Specifically, Emergency Preparedness (or) Swimming | Hiking (or) Cycling, etc. See the official Scouts website or speak with the Troop Leader for more information.