9 Questions
What was Alfred Wegener’s hypothesis called?
Continental Drift Hypothesis
What was the main criticism from Wegener's colleagues regarding his hypothesis?
The lack of a plausible mechanism for continental movement
What was Wegener's book called where he presented his continental drift hypothesis?
The Origin of Continents and Oceans
According to Wegener, around how many years ago were all continents joined into Pangaea?
300 million years ago
What was one of the early hypotheses about moving continents?
Centrifugal forces
Why did one scientist conclude that Earth would stop rotating in less than a year if centrifugal forces were strong enough to move continents?
The expected force would slow down Earth's rotation significantly
Why was Wegener's hypothesis of continental drift not widely accepted initially?
The absence of a mechanism to explain the drift
What concept did Arthur Holmes elaborate on in relation to continental drift?
Thermal convection in the mantle
How did the technological advances mentioned in the text impact the acceptance of continental drift?
They provided tools to gather more evidence for plate tectonics
Explore Alfred Wegener's Continental Drift Hypothesis, as explained in his book The Origin of Continents and Oceans. Learn about the concept of continents cutting through the ocean floor and the evidence Wegener presented to support his theory.
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