Earth's interior 0.0 / 5 ? GeologyPlanet EarthUniversityNone Created by: MikeberryCreated on: 09-01-18 11:04 What are the methods of deriving Earth's interior? 1. Seismology 2. Tides 3. Gravity field 4. Magnetic field 1 of 8 What are the 3 types of seismic wave? Surface, Primary, Secondary 2 of 8 How do seismic waves tell us about the structure of the planet? They change velocity as the penetrate deeper into the Earth so we know that the earth is differentiated. 3 of 8 What are shadow zones? Areas where no waves direct from the earthquake can be detected. between 105 and 142 degrees 4 of 8 What does the name of an earthquake wave depend on? The areas of earths interior that it passes through. 5 of 8 Characteristics of oceanic crust? Young, Basalt (Mafic) 7-15km thick 6 of 8 Characteristics of continental crust? Old, Intermediate (Felsic), 20-80km thick 7 of 8 How do we know the outer core is liquid? No s waves can travel through it 8 of 8
Comments
No comments have yet been made