The Museum of Paleontology at The University of California, Berkeley (UCMP) is probably the best site on the net for learning about dinosaurs! Plan on spending a lot of time here and be sure to check out all the hotlinks so you don't miss out on all the great information at this site! Be sure to check out the latest news at Dino-Buzz!
Travel through time and history at The Royal Tyrrell Museum, Canada's only institution devoted entirely to paleontology. Take a virtual tour of the museum and explore dinosaurs, plants, and other fossils.
For K-2 teachers, PBS Dinosaur Train has a field guide that describes over 100 dinosaurs, compares each one's size to a typical student, and has corresponding videos.
What happened to the dinosaurs? NASA's Classroom of the Future explores several theories on what caused the dinosaurs to disappear. Was it a super nova? A gigantic volcano? Possibly disease or orbital changes that caused a severe change in weather?
Explore this site and then you decide! Be sure to check out the Staircase of Time — which does a great job of explaining how old the Earth is and when dinosaurs lived!
The names of dinosaurs can be long and difficult to pronounce. Learn how to figure out what those long names mean at UC Museum of Paleontology.
Great list of teacher links for your Dinosaur or Fossil Unit. Lessons, articles, trade books, information, and ideas. All from Scholastic.
You will want to explore the website of the American Museum of Natural History in New York City, which includes updated dinosaur facts, videos of scientists answering questions, and lesson plans for educators.