Chapter 9 Plate Tectonics

What evidence supported the idea of continental drift through fossil findings?

• Dinosaur bones in Antarctica

• Mesosaurus fossils in South America and Africa

• Trilobite fossils in Europe

• Mammoth fossils in North America

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NGSS.MS-ESS2-3

What was the main objection to Wegener's hypothesis of continental drift?

• Lack of fossil evidence

• No mechanism for moving continents

• Incorrect age of rocks

• Absence of similar climates

What technology is used to map the ocean floor?

• Radar

• GPS

• Sonar

• Lidar

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NGSS.MS-PS4-2

What is a mid-ocean ridge?

• A deep trench in the ocean

• A long chain of mountains under the ocean

• A flat plain on the ocean floor

• A large underwater volcano

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NGSS.MS-ESS2-3

What does the term "Pangaea" mean?

• All water

• All land

• All life

• All continents

What geological feature is formed at the center of a mid-ocean ridge?

• A rift valley

• A mountain peak

• A coral reef

• A volcanic island

What did the theory of plate tectonics prove about Wegener's hypothesis?

• It was incorrect

• It was partially correct

• It was correct

• It was irrelevant

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NGSS.MS-ESS2-3

What drives the movement of Earth’s lithospheric plates according to the theory of plate tectonics?

• Ocean currents

• Wind patterns

• Convection currents in the mantle

• Solar radiation

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NGSS.MS-ESS2-3

Which type of plate boundary occurs where two plates move apart?

• Convergent boundary

• Transform fault boundary

• Divergent boundary

• Subduction zone

What is a transform fault boundary?

• Where two plates move apart

• Where two plates move together

• Where two plates grind past each other

• Where one plate slides under another