10 Questions
What is the outermost layer of the Earth composed of?
Silicon and aluminum
Which layer of the Earth is characterized by convection currents?
Asthenosphere
What is the composition of the Inner core?
Solid ball of iron
What occurs when two oceanic plates converge?
Volcanic islands form above the sinking plate
What is the main characteristic of the Lithosphere?
It is rigid and floats on top of the asthenosphere
What is the main difference between oceanic and continental crust?
Oceanic crust is younger and thinner
What is the direction of refraction of P and S waves in the mantle?
Towards lower-density mantle material
What is the driving force behind plate motion?
The flow of the asthenosphere
What is the process that occurs along convergent boundaries?
Subduction
What is the term for the study of the movement of the Earth's lithosphere?
Tectonics
Explore the composition and characteristics of Earth's layers, including the lithosphere, asthenosphere, mesosphere, outer core, inner core, oceanic crust, and continental crust. Learn about the materials that make up each layer and their unique properties.
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