Video excerpts from NATURE's "Diamonds" demonstrate the characteristics of diamonds, and explore the value they hold for scientists and the general public.

In this video-enhanced lesson, students will explore the characteristics of diamonds, and begin building an understanding of their formative environment, the resulting crystal structures and the physical properties of earth materials. (Grades 9-12)

In this video-enhanced lesson, students will learn how glaciers and glacial movement have affected the Earth through a series of Web interactives and hands-on activities. (Grades 9-12)

Segments from the NATURE episode "Ireland" provide examples of the effects glaciers can have on a landscape.

These excerpts from the NATURE episode "Violent Hawaii" demonstrate how volcanic islands are formed, and what scientists can discover studying magma, lava and eruptions.

In this video-enhanced lesson, students will use a combination of multimedia and hands-on activities to learn about different types of volcanoes, why volcanic eruptions happen, and the impact eruptions have on the Earth's landscape. (Grades 9-12)

These clips from the NATURE episode "Violent Hawaii" illustrate how erosion has shaped Hawaii's landscape, and show measures being taken there to limit theprocesses of erosion.

This video-enhanced lesson discusses the processes of weathering and erosion and how they work together to shape the earth's landscape. (Grades 9-12)

Segments from the NATURE episode "The Good, The Bad and the Grizzly" examine how human interaction with grizzlies has alternately endangered and restored the population, and how humans coexist with grizzlies today.