The Interior Of The Earth

Duration: 14

Year Published: 1963

Format: 16mm

Description: . How the seismograph is used to gain knowledge about areas man cannot reach directly. The cause of earthquakes and how they are detected by a seismography. How a seismograph works and why seismic waves are transmitted through mantle and core at different speeds. Demonstrates why outer core is thought to be liquid and the inner core solid.

1 user has this film:
Indiana University Library Moving Image Archive

Related films:

Original permalink · Record added: 2024-04-22 16:27:41