10 Questions
What was the name of the scientist who found the submerged mountain range in the Atlantic Ocean?
Harry Hess
What event led to a heightened interest in mapping the ocean floor after World War II?
Increase in submarine usage
What did the new evidence from investigations lead to?
A mechanism for continental movement
What did the scientist find about the islands in the Atlantic Ocean?
They were the highest points along a submerged mountain range
What did the cracks in the earth's crust, or lithosphere, help to find?
Critical clues to help solve 'The Mystery of the Drifting Continents'
What was the first physical evidence that the lithosphere actually moved on the surface of the earth?
Seafloor spreading
What did the discovery of magnetic reversals on the ocean floor lead to?
The idea of seafloor spreading
What was the significance of the age of volcanic rocks in the oceanic crust?
Rocks nearer to the mid-ocean ridge were much younger than similar rocks farther away from the ridge
What did the accumulated earthquake data coincide with?
The locations of cracks, or faults, in the lithosphere
What did the discovery of the Mid-Atlantic Ridge running around the whole earth through the ocean floor suggest?
The lithosphere was not a single, unbroken piece
Test your knowledge of the theory of continental drift and the contributions of Alfred Wegener with this engaging quiz. Explore the evidence and mechanisms that helped shape our understanding of the Earth's surface in this thought-provoking quiz.
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