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12 Questions

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Earth Structure: Layers and Composition

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Questions and Answers

What is the name of the scientist most associated with the theory of continental drift?

Seismic wave researcher

Wladimir Köppen

Alfred Wegener (correct)

Plate tectonic theorist

Which theory explains how major landforms are created as a result of Earth's subterranean movements?

Seafloor spreading

Mantle convection

Continental drift

Plate tectonics (correct)

What is the name of the process where new crust is formed as tectonic plates move away from each other?

Divergent boundary formation

Seafloor spreading (correct)

Convectional spreading

Hotspot volcanism

What type of plate boundary is formed when two plates collide and one plate slides beneath the other?

Convergent boundary Signup and view all the answers

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. Signup and view all the answers

Which method do scientists use to learn about the composition and density of Earth's layers?

Seismic waves Signup and view all the answers

What is the outermost layer of the Earth called?

Crust Signup and view all the answers

Which type of crust is thicker?

Continental crust Signup and view all the answers

What is the primary component of the mantle?

Molten iron and minerals Signup and view all the answers

Which layer of the Earth is responsible for the movement of tectonic plates?

Asthenosphere Signup and view all the answers

What is the primary component of the outer core?

Molten iron and nickel Signup and view all the answers

What is the approximate radius of the inner core?

1,200 kilometers Signup and view all the answers

Earth Structure: Layers and Composition

Choose a study mode

Podcast

Questions and Answers

What is the name of the scientist most associated with the theory of continental drift?

Which theory explains how major landforms are created as a result of Earth's subterranean movements?

What is the name of the process where new crust is formed as tectonic plates move away from each other?

What type of plate boundary is formed when two plates collide and one plate slides beneath the other?

How did Alfred Wegener and Wladimir Köppen work together to support the theory of continental drift?

Which method do scientists use to learn about the composition and density of Earth's layers?

What is the outermost layer of the Earth called?

Which type of crust is thicker?

What is the primary component of the mantle?

Which layer of the Earth is responsible for the movement of tectonic plates?

What is the primary component of the outer core?

What is the approximate radius of the inner core?

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