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Subtopic: Soil Structure and Formation

Resource Grade Level Media Type
Building the Alaska Oil Pipeline  

Building the Alaska Oil Pipeline
This video segment adapted from AMERICAN EXPERIENCE tells the story of how environmentalists, Alaska Native peoples, and engineers concerned about the effects of permafrost challenged plans for the Alaska oil pipeline.

6-12 QuickTime Video
Changing Arctic Landscape  

Changing Arctic Landscape
In this video adapted from the Arctic Athabaskan Council, learn how warmer temperatures in the Arctic are transforming the landscape, triggering a host of effects such as permafrost thawing and insect infestations.

6-12 QuickTime Video
The Cumberland Gap Tunnel  

The Cumberland Gap Tunnel
This KET video chronicles the incredible engineering effort that built the tunnel through Cumberland Mountain as well as the challenges posed by the geological composition of the area.

6-12 QuickTime Video
Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi  

Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi
In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaiʻi to regenerate after a volcanic eruption.

3-12 QuickTime Video
Earth Water Filter  

Earth Water Filter
In this video segment adapted from ZOOM, cast members try to make the most effective water filter. They experiment with filtering dirty, salty water through different combinations of sand, gravel, and a cotton bandana.

K-8 QuickTime Video
Flood Plain and Higher Ground Habitats  

Flood Plain and Higher Ground Habitats
This video segment from NatureScene features the area of the Congaree Swamp where the high ground and the flood plain meet. Learn how a few feet of difference in elevation on a floodplain can yield drastic changes in what you’ll find living there.

3-8 QuickTime Video
How Caves Form  

How Caves Form
This interactive activity from NOVA Online shows four different ways in which caves are formed: by rainwater, waves, lava, and bacteria.

3-12 Flash Interactive
How Did Life Emerge Here?  

How Did Life Emerge Here?
This video segment adapted from NOVA describes the emergence of life on the islands of Hawaiʻi from a barren volcanic platform under the ocean waves to the rich explosion of life that covers the many climate zones of the islands today.

3-12 QuickTime Video
Hurricanes: New Orleans Under Threat  

Hurricanes: New Orleans Under Threat
This video segment adapted from NOVA scienceNOW exposes how decades of development and geography combined to make the potential damage from a hurricane uniquely devastating in New Orleans, Louisiana.

6-12 QuickTime Video
Karst Topography and Mammoth Cave  

Karst Topography and Mammoth Cave
This video from KET shows karst topography in the Mammoth Cave region of Kentucky, illustrating how caverns and sinkholes are formed from water dissolving limestone underground.

6-12 QuickTime Video
Losing Permafrost in Alaska  

Losing Permafrost in Alaska
In this video segment adapted from Spanner Films, learn how Alaska Native communities that rely on hunting and fishing are threatened by rising temperatures and melting permafrost.

6-12 QuickTime Video
Melting Permafrost  

Melting Permafrost
In this video adapted from the International Institute for Sustainable Development, see melting permafrost and hear Alaska Native peoples and Western scientists discuss its impact on Inuit culture and resources.

6-12 QuickTime Video
Organic Farming: Conserving Top Soil  

Organic Farming: Conserving Top Soil
Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.

3-12 QuickTime Video
Soil Microbes and Global Warming  

Soil Microbes and Global Warming
In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, discover how warmer winters in Alaska may cause soil microbes to release more carbon dioxide into the atmosphere, contributing to global warming.

6-12 QuickTime Video
Soils Around the World  

Soils Around the World
Not all soils are the same. This interactive activity produced for Teachers' Domain features photographs of the 12 major soil types and maps that highlight their distribution around the world.

6-12 Flash Interactive
Water Conservation: Israel  

Water Conservation: Israel
This video segment adapted from Last Oasis shows how Israel has attempted to meet the challenge of providing enough water for agricultural needs. Featured are two methods: recycled water and drip irrigation.

3-12 QuickTime Video