This is a fabulous resource with practical lesson plans, valuable resources, and more. I've used several of their lessons. There's an interesting story behind how they "earned" the money to remain free. They have things on just about any subject.
Another great Larry Ferlazzo post, this one spotlighting great websites for reading. This one with intermediate readers also links to sites for beginning and beginning older readers.
Bernie Dodge was one of the first originators of webquests. While webquest.org is no longer updated, there are some features of QuestGarden that you can access for free. Subscriptions are $20 for two years.
Retired Middle/Intermediate Media Specialist and Science Teacher for MSD Warren Township in Indianapolis. I am now the Director of Operations for the Indiana Middle Level Education Association.