Google Apps accounts have tons a great resources for student and teachers to work and collaborate. Here are some resources for learning about the possibilities.
Google Apps Learning Center - Learn to use all the tools in your Google apps account. Tutorials and How-to's for each application.
D2 Apps - A collection of great Google Apps tutorials created by Caskeyd at Billings Public School District.
For Teachers Help pages on Google Maps, Earth and Docs with detailed information on how to find your way around the tools.
Google for Educators - Lessons & activities, with embedded slides, posters, tools for your classroom
Google Tools for Schools - A wealth of resources for using Google tools in the classroom. Has a good collection of video tutorials on several tools, along with ideas for integrations.
Screen Cast Tutorials
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