Virginia Tech
Virginia Polytechnic Institute: Greenhouse Dinosaur Extinction Theory
This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.
Khan Academy
Khan Academy: Answers to Exploration Questions: Dinosaur Extinction
Explore the dinosaur extinction with the answers to this exploration questions on this site.
Natural History Museum
Natural History Museum: Dinosaurs and Other Extinct Creatures
This is the opening site for the online exhibit at the Natural History Museum. The exhibit features a wealth of information on dinosaurs including a dinosaur directory, fossil specimens, information, pictures, and more. The exhibit also...
University of California
Ucmp: What Killed the Dinosaurs?
This UC Berkeley site extensively covers the death of the dinosaurs. It includes history, theories, invalid hypotheses, and current arguments.
Utah Education Network
Uen: Trb 4:4 Investigation 6 Dinosaur Extinction
Research and analyze theories on why dinosaurs became extinct.
Other
University of Chicago: Dinosaur Extinction
This theory from the University of Chicago of dinosaur extinction revolves around the concept of plate tectonics, the movement of the continents over a sort of liquid around the planet.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Piece of Dinosaur Extinction Asteroid Puzzle Recovered
The first meteorite fossil discovered in this period when tests can be run on it, was found at Chicxulub in Northeastern Yucatan, Mexico. Scientists believe it is part of the meteorite which made the dinosaurs extinct.
Other
University of Bristol: The Kt Event
This dinosaur site, containing eight different sections, includes topics such as: 101 crazy theories about dinosaur extinction, the pattern and timing of extinction, evidence for late cretaceous climatic change, gradual extinction and...
Center for Educational Technologies
Earth Science Explorer: Dinosaur Floor
Take a tour of the dinosaur floor and you'll read several theories about why dinosaurs became extinct.
SEDL
Sedl: Extinction
This second activity 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.
CK-12 Foundation
Ck 12: Biology: Mesozoic Era the Age of Dinosaurs
[Free Registration/Login may be required to access all resource tools.] Covers the Mesozoic Era, the age of dinosaurs.
Other
Dinosaur Extinction: One More Hypothesis
"The survivals and extinctions at the close of the Cretaceous are such as might be expected to result from intensely hot winds such as would be generated by extra large meteoritic impacts." This article suggests that this theory should...
Indiana University
Indiana Univ. Bloomington: Geo Notes: Dinosaur Fossils Not Found in Indiana [Pdf]
Discusses the mass extinction event that wiped out many prehistoric animals 65 million years ago and why there are no dinosaur fossils to be found in Indiana.
Society for Science and the Public
Science News for Students: What Killed the Dinosaurs?
Researchers are beginning to find data implicating that an asteroid impact and supervolcanoes might have been the beginning of the end of dinosaurs on Earth.
PBS
Pbs Learning Media: What Killed the Dinosaurs?
This Evolution Web feature explores how evidence can support a variety of hypotheses surrounding the mystery behind the extinction of the dinosaurs.
Khan Academy
Khan Academy: Are Any Dinosaurs Still Alive Today?
An article reviewing over how dinosaurs are still alive today in their descents.
Other
The Dinosaur Museum
The Dinosaur Museum is located in Blanding, Utah. Use this site to learn all about the exhibits and dinosaur information.
Enchanted Learning
Enchanted Learning: Zoom Dinosaurs
Zoom Dinosaurs is a comprehensive on-line hypertext book about dinosaurs. It is designed for students of all ages and levels of comprehension. It has an easy-to-use structure that allows readers to start at a basic level on each topic,...
BBC
Bbc: Rise and Fall of the Dinosaurs
Several articles that trace the chronology of the dinosaur from the Triassic to the Cretaceous. Articles were written to accompany the BBC series, Walking with Dinosaurs.
SEDL
Sedl: Dinosaurs
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...
Other
Hvpm: Mass Extinctions
An overview of the mass extinctions throughout earth history. Each mass extinction has a link to its own page with a list of its possible causes and the species that were most affected.
Other
Digi Morph: Dinosaurs at Digi morph.org
DigiMorph is a database of high-quality images from living and extinct animals, made available for scientists, educators, researchers and students. This section is devoted to dinosaur fossils, some of them among the most famous in the...
CK-12 Foundation
Ck 12: Episd: Mesozoic Era the Age of Dinosaurs
[Free Registration/Login may be required to access all resource tools.] Explore the three periods of the Mesozoic Era, the age when dinosaurs roamed the earth. Find out what happened to the dinosaurs.
Tramline
Tramline: Dinosaurs: A Prehistoric Adventure for Grades 2 5
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...