Google Sketchup is a powerful 3D Drawing tool. Models can be exported to be used in other programs like Google Earth.

Here are a few resources to help you learn more about Sketchup:

Introductory Presentation

by Ken Shelton - Google Certified Teacher


Tutorials

Google's own set of tutorials on using the program (YouTube)
Google for Dummies video set on YouTube (These are great!)
Google's BaseCamp 2008 on Google Sketchup (also YouTube videos)

Classroom Tutorials

DaVinci projects on YouTube
DaVinci Teacher Guide - Downloadable documents with guides for creating projects in many different content areas

Other Resources

Online Class on Digital Imagery for Students- using embedded YouTube videos
The Sketchup Show - Video Podcast with tips on using Sketchup
Free downloadable resources from DaVinci
50 State Capitolsin Google 3D Warehouse

Other Sketchup resources