12 Questions
What is the name of the scientist most associated with the theory of continental drift?
Alfred Wegener
Which theory explains how major landforms are created as a result of Earth's subterranean movements?
Plate tectonics
What is the name of the process where new crust is formed as tectonic plates move away from each other?
Seafloor spreading
What type of plate boundary is formed when two plates collide and one plate slides beneath the other?
Convergent boundary
How did Alfred Wegener and Wladimir Köppen work together to support the theory of continental drift?
They studied glacial deposits that indicated past continental positions.
Which method do scientists use to learn about the composition and density of Earth's layers?
Seismic waves
What is the outermost layer of the Earth called?
Crust
Which type of crust is thicker?
Continental crust
What is the primary component of the mantle?
Molten iron and minerals
Which layer of the Earth is responsible for the movement of tectonic plates?
Asthenosphere
What is the primary component of the outer core?
Molten iron and nickel
What is the approximate radius of the inner core?
1,200 kilometers
Explore the different layers of the Earth, including the crust, mantle, and core. Learn about the composition of each layer and how they contribute to the Earth's structure and functions.
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