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.

Earth and Space Science: Paleontology

Resource	Grade Level	Media Type
Antarctica: A Challenging Work Day What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica.	3-12	QuickTime Video
Are We Alone? This video segment adapted from NOVA features a variety of scientific perspectives on the age old question, "Are we alone in the universe?" Animations make vivid the improbability that we could intercept a radio wave signaling extra terrestrial intelligence.	6-12	QuickTime Video
Becoming a Fossil This video segment describes how the Australopithecus afarensis skeleton known as Lucy could have been fossilized. Footage courtesy of NOVA: "In Search of Human Origins."	6-12	QuickTime Video
Cave Formation: Biogeochemical Cycles This video segment adapted from NOVA chronicles the discoveries that led to a radical new theory in which living organisms, not just geological processes, play an active role in cave formation.	6-12	QuickTime Video
Energy Flow in the Coral Reef Ecosystem This video segment, adapted from NOVA, describes the energy flow in a coral reef, including its food web.	3-12	QuickTime Video
Finding Lucy This Evolution video segment depicts the landmark hominid fossil finds by Don Johanson and his team in Ethiopia.	9-12	QuickTime Video
The Grand Canyon: Evidence of Earth's Past In this video segment adapted from NOVA, a fossil found among the Grand Canyon's rock layers reveals the existence of a shallow sea that once covered most of western North America.	6-12	QuickTime Video
The Grand Canyon: The Top Two Rock Layers This brief video segment adapted from NOVA uses illustrations and the well-preserved footprints of a small reptile to portray the history of the Grand Canyon's top two rock layers.	3-12	QuickTime Video
Homo Sapiens Versus Neanderthals This video segment, adapted from NOVA, explores reasons why Homo sapiens had an advantage over Neanderthals in the pursuit of territory and natural resources.	6-12	QuickTime Video
Laetoli Footprints This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.	6-12	QuickTime Video
Life Before Oxygen This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible.	3-12	QuickTime Video
Mammals Get Their Chance In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.	K-5	QuickTime Video
Secrets in the Salt This video segment adapted from NOVA scienceNOW describes a team of scientists searching for evidence of ancient life within a salt deposit that formed 250 million years ago.	6-12	QuickTime Video
Tiktaalik: Evolution of a "Fishapod" In this media-rich lesson, students learn about transitional fossils and explore the similarities and differences between the structures of different animals. They focus particularly on Tiktaalik, a transitional fossil between aquatic and terrestrial vertebrates.	9-12	Lesson Plan
Transitional Fossils In this media-rich activity designed to enhance literacy skills, students learn that transitional fossils provide scientists with evidence to establish how different major animal groups are related to one another in evolution.	5-12	Student Activity
When Did the First Americans Arrive? In this video segment adapted from NOVA, recent archeological evidence leads scientists to revise existing theories about human migrations into the Americas around the time of the last ice age.	6-12	QuickTime Video