University of California
Ucmp: Web Geological Time Machine
The Museum of Paleontology at Berkeley offers an online geological time machine which allows you to catch a glimpse of ancient eras in earth's history. Click into an "Era" to learn about its stratigraphy, life forms, localities, and...
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.
American Museum of Natural History
American Museum of Natural History: O Logy: Layers of Time: Fossil Game
Game through which students order layers of sedimentary rock, from oldest to newest, based on the type of fossils they contain.
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.
University of California
Ucmp: The Triassic Period, 245 to 208 Million Years Ago
A brief overview of the Triassic Period, along with links to more detailed information on its subdivisions and life forms. Also includes information about subdivisions of the Period, along with Stratigraphy, Localities, and Tectonics.
University of California
Ucmp: Introduction to the Mesozoic Era
A review of the Mesozoic era, and it's three divisions, the Triassic, Jurassic, and Cretaceous. Extensively cross-linked on important topics. Good site from Berkeley.
Other
Georgia Perimeter College: The Mesozoic Era
This resource provides an overview of the Mesozoic era, with details about each period of geological history.
US Geological Survey
Usgs: Dinosaurs: Fact and Fiction
A comprehensive series of pages that answers a number of commonly asked questions about dinosaurs.
American Museum of Natural History
American Museum of Natural History: Triassic Period O Logy Card
Review essential information about the Triassic Period on this short, interactive card. Includes facts about Pangaea. Try answering questions when you're finished.
Sophia Learning
Sophia: Mesozoic Era
Learn the basic information about the Mesozoic Era in Earth's geologic history.
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.
PBS
Nova: A Brief History of Earth
This timeline is a good resource if you are looking for brief descriptions of the geologic periods. Descriptions include pictures of common organisms for each period and the range of time covered by each period.
Science Struck
Science Struck: Mesozoic Era Timeline and Important Facts
Provides an overview of the Mesozoic Era, its time frame, geological and tectonic activities, the climate, plants and animals, and extinction events towards the end of this era.