Summary: The ocean tides offer a clean and renewable energy source that can reduce reliance on fossil fuels. This Science Screen Report shows how Earth's tides are formed, illustrates their relationship to the Moon's gravitational forces, and explains how these principles can be applied to the construction of underwater turbines. The program also explores efforts to reduce the environmental impact of...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006
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: More than 70 percent of the Earth's surface is covered by water. Use this video to impress upon your students the importance of the seven seas to people, the marine food chain, and the planet as a whole. Topics include the various kinds of currents and the forces that influence them, tides and waves (what they are, what causes them, and how they're classified), features of the seabed, and the...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2007