Click "Start Fieldtrip," for a wonderful look at a subject that has been a constant amazement to children of all ages. This dinosaur learning module for grades 1-3 is a "Prehistoric adventure," discussing dinosaur fossils, the size of...

This site provides wonderful lesson plans about dinosaurs. Seven sequenced units cover the following topics: extinction, fossils, types of dinosaurs, and the dinosaur life cycle. The site provides basic lesson and background information...

Borths, D'Emic, and Pritchard give a quick history of mass extinctions. [5:01]