The information in this video was accurate as of the original publication date.
Audience: Educators and Students
Two students in Norway confer with science expert Dr. D. as they learn the structure of Earth that causes it to act as an electromagnet, the way that solar winds interact with gases to cause auroras and the differences between permanent magnets and electromagnets.
Earth's Role as an Electromagnet and the Creation of Auroras
Duration: 3 minutes 59 seconds
> View QuickTime [13MB]
This video clip is part of the The Case of the Technical Knockout DVD that may be ordered from the Central Operation of Resources for Educators, or CORE →.
Other video learning clips in this series:
Navigational Uses for Global Positioning Systems, or GPS
Early Navigation, How Was It Done?
How Do Global Positioning Systems, or GPS, Work?
Radar, Radio Waves and Light
What Is Electricity?
Experimenting With Electromagnets
NASA's Research on the Sun
All About Solar Flares
What Are Geomagnetic Storms?