Already have a TD account?

If you are already a Teachers' Domain user, sign in now to connect your Teachers' Domain and accounts.

Teachers' Domain sign-in name:

Organization:

Password:

Signing in now will connect your and Teachers' Domain accounts, so that in the future you will automatically be signed into Teachers' Domain when you come from .

Not yet registered?

First time here?

As a user, you may browse Teachers' Domain and view as many resources as you wish without registering.

However, for access to all fo the features of Teachers' Domain, we'll need a little more information. Learn More

You are now "Test Driving" Teachers' Domain

You may view up to 7 resources in this limited trial period.

You have 6 views remaining. Register now for unlimited free access and to download, share, and save resources. Learn More

You are now "Test Driving" Teachers' Domain

As a user, you may view as many resources as you like without registering.

About Registration:

Registering with Teachers' Domain is free and allows you to:

• View as many resources as you like
• Save, sort, and share resources using My Folders and My Groups
• Download resources to your desktop
• See standards correlations for your state

Thank you for "Test Driving" Teachers' Domain

You have viewed all seven resources permitted in this limited trial period. You may continue to browse the site, but to view, download, share, and save resources, you must register now. Registration is simple, safe, and free.

For more information:

Learn about our online Professional Development Courses, or review our Privacy Policy.

If you still have questions, please contact us.

Subtopic: Soil Structure and Formation

Change grade range

Resource	Grade Level	Media Type
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 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 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 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 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 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 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? 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 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 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 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 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 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 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 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 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