Google Sites Cheat Sheet
How do I add Google files/videos/etc?
How do I publish and share my Site?
How do I add forms & surveys?
How do I add/edit text or images?
How do I delete or restore my Site?
How do I create/name/copy a Site?
How do I change how my Site looks?
Can I review changes before publishing?
Complete Guide to Creating an Educational Website
How do I invite others to edit?