Indiana University
Ensi: The Great Fossil Find Lesson Plan
Students hear a story as they "find" bones that you have put in an envelope for them. Their job is to begin assembling the bones as best they can. The students will invariably come up with different configurations--just like scientists...
University of California
University of California Museum of Paleontology: Fossil Evidence
Understanding Evolution provides evidence for evolution using fossils. There are also links to lesson plans.