The Interior Of The Earth
Sign in to track this film in your collection or want list.
. 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.
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
Original permalink · Record added 2024-04-22 16:27:41