This second lesson in a course on dinosaurs is devoted to extinction. There are group activities, discussion of the idea, and a way to assess what the students have learned.

Provides fascinating facts and images of dinosaurs plus a map of where they can be found.

Dinosaurs: Kids learn about these ancient animals that wondered the Earth thousands of years ago. We know about them from studying fossils.

A good brief review of The Cenozoic Era, which also includes links to more detailed information as well as a chart of its subdivisions.