http://www.google.com/educators/index.html
"To your left, you'll find a guide to 12 Google products, including basic information about each tool, examples of how educators are using them, and lesson ideas. You'll also find lesson plans and videos from our partners at Discovery Education focusing on two of our most popular teaching tools: Google Earth and Google SketchUp. We think of this site as a platform of teaching resources – for everything from blogging and collaborative writing to geographical search tools and 3D modeling software – and we want you to fill it in with your great ideas." [Top Tips]
