Answers to a series of nine questions related to dinosaurs. There are a number of links to other informative sites as well.

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...

This UC Berkeley site extensively covers the death of the dinosaurs. It includes history, theories, invalid hypotheses, and current arguments.

Research and analyze theories on why dinosaurs became extinct.

The San Diego Natural History Museum provides dinosaur lovers with plenty of information and fun facts with links to Finding Fossils and Dinosaur Bytes.

There is plenty of information about dinosaurs here for students doing research. There are a fair number of ads but they are mainly related to dinosaurs. Besides fact pages for hundreds of dinosaurs, you will find information about...

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

This site from the UCMP Berkeley provides information about the Cretaceous Period, the last portion of the age of the dinosaurs and the continued break up of the continent of Pangaea.

Overview of the Earth in the Jurassic Period told by photos, news, videos, and external links with emphasis on what grew then, what lived then, the causes of mass extinction, types of fossils, and what life was like in general.

This article, reprinted from the fall 1979 LBL News Magazine, was written about Dr. Luis Alvarez and his part in the study of geological sediments and the great extinctions.

In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.