The Origin of Magnetism.

No matter how many times you break a magnet apart, each piece has a north and south pole. Why? Search for the origin of magnetism and learn how magnetic field lines differ from those of an electric field, and why Earth has a magnetic field.

Bibliographic Details

Corporate Author:	Kanopy (Firm)
Format:	Video
Language:	Undetermined
Language Notes:	In English
Published:	[San Francisco, California, USA] : Kanopy Streaming, 2015.
Subjects:	Applied Science K-12 Nonfiction films. Internet videos.
Online Access:	Connect to this streaming video