10 Questions
What is the characteristic of oceanic crust?
High density and identical to basalt in composition
What is the Mohorovičić Discontinuity (Moho)?
A boundary between the crust and mantle
What is the approximate depth of the Moho under the oceans?
5 km
What is the approximate depth of the mantle?
2900 km
How do we know most of what we know about the mantle?
Through seismic waves
What is the composition of the Earth's core?
Primarily metallic iron, nickel, and oxygen
What is the process responsible for the movement of tectonic plates?
Convection currents in the Earth's mantle
What is the term used to describe the boundary between tectonic plates?
Fault
What is the result of the movement of tectonic plates at fault lines?
Volcanic eruptions and earthquakes
What is the pattern of earthquakes and volcanoes around the Pacific Ocean basin known as?
The ring of fire
Explore the composition and characteristics of the Earth's crust, including continental and oceanic crust, and how they relate to earthquakes. Learn about the properties of rocks and their behavior under heat. Test your knowledge of the Earth's internal structure.
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