How Do Global Positioning Systems, or GPS, Work?
https://spaceplace.nasa.gov/gps/en/

NASA, Video clip from NASA SCIence Files: The Case of the Technical Knockout


A movie of students interviewing a NASA expert, who explains basic GPS principles. Simple, but clear description of how trilateration works with a two-dimensional model vs 3-D. Appropriate for the 6-8 grade range.

This description of a site outside SERC has not been vetted by SERC staff and may be incomplete or incorrect. If you have information we can use to flesh out or correct this record let us know.


This resource is referenced here:
Subject: Geoscience:Geology:Geophysics:Geodesy
Resource Type: Audio/Visual:Animations/Video
Grade Level: Middle (6-8), Intermediate (3-5)
Theme: Teach the Earth:Course Topics:Geodesy, Geophysics