In this lesson, students use segments from the NATURE episode "Salmon: Running the Gauntlet" to explore ways in which humans have impacted salmon populations.

This video-enhanced lesson uses the NATURE episode "Spring's Eternal: Florida's Fountain of Youth" to learn about and explore Florida's springs ecosystem with particular focus on the animal life that lives there.

This video-enhanced lesson uses clips from the NATURE film "Crash: A Tale of Two Species" to explore the interrelationship between the horseshoe crab and a small migratory bird called the red knot. (Grades 5-8)

During this video-enhanced lesson, students will watch segments from the NATURE film “The Secret World of Sharks and Rays” and learn about adaptations that have helped sharks and rays survive. (Grades 5-8)

This lesson uses clips from NATURE's episode "The Loneliest Animals" to explore a variety of captive breeding programs. (Grades 5-8)

During this video-enhanced lesson, using clips from NATURE's "Dogs that Changed the World," students will learn that all dogs came from one ancestor- the wolf. (Grades 5-8)

During this video-enhanced lesson, students will learn about dogs' senses and how they compare to those of human smell and hearing. (Grades 5-8)

This video-enhanced lesson discusses the factors that cause the changes in Earth’s seasons. (Grades 5-8)

This video enhanced lesson uses excerpts from the NATURE film “Tall Blondes” to illustrate the effects of wildlife conservation and relocation, using giraffes as an example. (Grades 5-8)