Earth's interior / produced by Intelecom.

Introduces the topic of geophysics, exploring methods of studying what lies beneath Earth's surface. Geophysicists use seismic wave studies, variations in temperature, magnetic fields, gravity, and computer simulations to create models of deep structures.

Saved in:
Bibliographic Details
Corporate Authors: INTELECOM Intelligent Telecommunications (Firm), Annenberg/CPB
Other Authors: Sadd, James, Gilfillan, David
Format: Video
Language:English
Published: South Burlington, Vt. : Annenberg/CPB, ©1992.
Series:Earth revealed ; 3.
Subjects:
Online Access:Click for online access