A searchable database of the collections of invertebrates at the National Museum of Natural History. You can search by keyword, or in a more scientific way, such as by phylum or expedition.

The Smithsonian National Museum of Natural History, in a section titled "North American Mammals," offers a general overview of the polar bear. Additional content includes detailed drawings, photographs, and a map showing the polar bear's...

The National Museum of Natural History of the Smithsonian presents an extensive annotated bibliography of works on Native Americans for grades K-12.

Explore the story and history of the ancient city of Petra.

A 14-year-old boy found the fossils of a brand new species of dinosaur--the Bambiraptor. Find out the fun facts about what scientists have discovered about the Bambiraptor and how closely it was related to birds with this resource.

Learn about the reproductive system of the dogfish shark through a video gallery. Also read about the myth that sharks must constantly swim or they will die. PDF transcripts are available for each video.

This engaging game about dinosaurs allows students to analyze and interpret fossil data, as well as engage in argument from evidence. The game helps students to understand that fossils provide evidence about the types of organisms that...

Travel through Earth's history to learn about the Oligocene time period, which is characterized by the appearance of most of the living families of mammals.

This comprehensive article provides information about the physical properties of water, the importance of water as an Earth material, the processes and cycles that water undergoes on Earth, its importance to life on Earth, and why we...

This informative site from the Arizona Museum of Natural History gives a good look at the Hohokam and their culture. Find a map that shows where these early Southwest people traded, see examples of their pottery and jewelry, and read...

This terrific site from the National Museum of Natural History gives general information about the Burgess Shale and the fossils found within. Use the links to go the Burgess Shale specimens page where there are drawings of many of the...

Detailed instructions, with photographs for every step, for how to build a coral reef diorama.

Learn all about hydrothermal vents deep in the ocean and how scientists locate them. Then take a virtual expedition to the Juan de Fuca Ridge in the north Pacific and see if you can discover a new deep sea vent.

This Smithsonian website has a brief, but thorough, article on the Ptarmigan. It also includes pictures and an extensive quote from 19th Century naturalist Edward Nelson.

This teacher's guide introduces children to the human body and the five senses and covers the major body parts and what they do. Children also will use their five senses to learn about the world.

This guide focuses on four physical science topics that fascinate children and scientists alike. They are motion, magnets, sound, and light. With your guidance and support, these topics provide children with many opportunities to explore...

[Free Registration/Login Required] The article "The Rise of Oxygen in the Earth's Atmosphere" from the American Museum of Natural History focuses on when the rise of oxygen in the earth's atmosphere began. A Step Read, a question set,...

Search the database of the Smithsonian's National Museum of Natural History for gems & minerals, meteorites with images, or petrology & volcanology.

Describes past exhibition of some of the finest gems in the world, this collection of precious diamonds includes several rare and valuable stones.

The Canadian Museum of Nature provides characteristics and ancient history of global coral reefs.

Provides information on, and photographs of, the primitive fish classes. Discusses the Superclass Agnatha, the Class Chondrichthyes, and the Osteichthyes. Very interesting, with lots of pictures!

This resource presents a brief overview of the Protoceratops.

A collection of seven rare diamond types, among the most valuable in the world. All but one is a unique color, and each has a special title. Read a short descriptive history of each diamond.

How many fish species are there? What is the world's largest and smallest fish? How long do fish live? How is the age of fish determined? You will find answers to these and other questions in this interesting site.