Early Navigation, How Was It Done?
A sunstone, also called Iceland spar

The information in this video was accurate as of the original publication date.

Audience: Educators and Students
Grades: K-8
Year: 2005

In this video segment, viewers learn how the Vikings were excellent navigators and shipbuilders. Dr. D., a science expert, explains that Vikings probably used the stars to navigate. He discusses how the Vikings navigated when it was difficult to see the stars. Dr. D. also demonstrates how sun stones can be used to navigate.

Early Navigation, How Was It Done?
Duration: 2 minutes 39 seconds
> View QuickTime  [9MB]

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
How Do Global Positioning Systems, or GPS, Work?
Radar, Radio Waves and Light
What Is Electricity?
Experimenting With Electromagnets
Earth's Role as an Electromagnet and the Creation of Auroras
NASA's Research on the Sun
All About Solar Flares
What Are Geomagnetic Storms?