Clear and concise facts, photos, and sounds of the Rock Ptarmigan are featured on this thorough site. A menu of topics includes: cool facts, description, range, habitat, reproduction and more.

Clear and concise facts, photos, and sounds of the Rock Ptarmigan are featured on this thorough site. A menu of topics includes: cool facts, description, range, habitat, reproduction and more.

Geological eras showing the fossils found in each rock layer.

This is a writing activity perfect for a math class, it's designed to help students see the differences between linear (arithmetic, adding) and exponential (geometric, multiplying) growth. Students explore the ideas of linear and...

The Grand Canyon is an excellent model for learning about Earth's rock formations. Students will look at fossils and the differences in layers to understand how the Earth changed over time. Resources included are detailed instructions...

This manual was created by 4th grade students at the Alice B. Beal Magnet School in Springfield, Massachusetts, during a learning expedition on rocks and minerals. The expedition included fieldwork to local geological sites and to...

Tool for finding nature centers, outdoor events and activities, and services like equipment rentals, campgrounds, and tour guides. Learn how exploring nature helps improve the physical, mental, and emotional health of children and...

Asteroids can be single large rocks, or they can be collections of rocks loosely bound by their mutual gravity "rubble piles." The difference is important to understand, so we know how to deal with these if they head towards Earth. A...

Rockhopper penguins live in steep, rocky places. The only way they can get around on land is to hop from rock to rock. Rockhoppers grow about 46 cm tall - almost as high as an adult's knee. They are the smallest of the crested penguins....

Learn about all the different levels of ecosystems, from the living things under a rock, up to a rainforest biome. Explains the levels of organization within an ecosystem, the different types of biomes, food chains and trophic levels,...

The Getty's multimedia-rich exploration of the life and career of French realist Gustave Courbet, whose innovative approach to landscape painting inspired many artists who came after him, including Monet, Cezanne, and Pissarro. Along...

A simulation that demonstrates divergent plate boundaries and seafloor spreading. A focus is on evidence of the Earth's normal and reversed polarity over geologic time in the rock record.

In this amazing interactive tutorial, you'll learn about minerals - the building blocks or rocks and the Earth. We'll talk about what makes something a mineral, and how differences in these minerals let us organize them into different...

In this interactive tutorial you will learn how pressure creates stress and strain on rocks. Learn how different types of strain are produced by different plate tectonic settings, and explore the different types of mountain ranges and...

Learn about selective pressure and how genes are involved in adaptations by watching this video on pocket mice. The video focuses on the research of Dr. Michael Nachman, "whose work in the field and in the lab has quantified the...

Provides extensive evidence of the many ways scientists have observed and recorded climate change on a rapid, global scale. Lists different events observed, such as receding ice sheets and evidence in rocks, and presents graphs, images,...

This two-part feature on African American history offers an in-depth look at the events of the 1960's civil rights movement. Discusses voting rights, laws, military segregation, freedom rides, sit-ins and the NAACP. Includes historic...

This extensive biography of William Bradford includes links within the text to related primary and secondary sources. Also includes a timeline of Bradford's life. Some documents require Adobe Reader (PDF).

Do you know how Crustaceans differ from other animals that belong to the Arthropod family? Find the answer to this question along with other interesting facts about this marine animal.

This is the official site for the State of Utah provides information on services, the state government, governor, business, employment, education, and facts about Utah.

This site has a colorful display of information about Missouri. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Nebraska. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Nevada. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Rhode Island. It contains a map, pictures, a list of state symbols, and links to related information.