Search
Type
Format
Sort
Location
Audience

Summary: Studies of our planet's crust, or lithosphere, suggest that it's not a single solid layer at all. This video illustrates the process of scientific inquiry by studying the evolution of our understanding of plate tectonics, the dynamics of those ever-shifting slabs of earth we call solid ground. Beginning with Alfred Wegener's hypothesis of continental drift, the program discusses major and minor...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2006

View online at AVOD

Summary: This program provides arguments in favor of continental drift and the one-time existence of a supercontinent, shows how isolation can give rise to different species and how species develop in response to their environments, and explains clines and suggests the reason for their existence. After viewing the program, students should understand the significance of the continental drift theory, the...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2005

View online at AVOD

Summary: Marine scientists have mapped the ocean floor and discovered that the "spine" of the earth runs down the Atlantic Ocean, then up through the Indian and Pacific Oceans. It is here that the earth's crust was forged, and it is also where living things first existed. Using satellite images and the latest marine technology, this program contains stunning footage of the ocean floor, the underwater...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2007

View online at AVOD

Summary: A life-sustaining envelope of gas surrounds the earth. This atmosphere contains oxygen, CO2, water vapor, and other gases-it is what generates climate, which affects all living beings. This program analyzes the sun's gradual brightening and the relationship between sunlight and CO2, explains why the atmospheres of Mars and Venus cannot sustain life, theorizes about the disappearance of...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2006

View online at AVOD

chat loading...
Back to Top