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)

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.

These clips from the NATURE episode "Can Animals Predict Disaster?" examine the tsunami of December 26, 2004, and theorize on how animals' greater sensitivity to seismic waves may have given them a lifesaving warning about the disaster.

In this video-enhanced lesson, students will identify methods for detecting and locating earthquakes, utilizing excerpts from the NATURE episode "Can Animals Predict Disaster?" (Grades 9-12)

In this video-enhanced lesson, students will learn how human beings have interacted with and impacted the lives of grizzly bears in Yellowstone Park. (Grades 9-12)

This video-enhanced lesson plan explores how the interactions of air, moisture, wind, and topography in Death Valley, CA contribute to an environment of extremes. (Grades 9-12)

This video-enhanced lesson focuses on symbiosis and ecological relationships. Using sharks and marine species as examples, students will investigate the many ways that species that live in close proximity to each other might interact in an ecosystem, and will then explore the ways that ecosystems can be thrown out of balance, often as a result of human action. (Grades 9-12)