Podcast
Questions and Answers
What was Arthur Holmes' contribution to the understanding of continental drift?
What was Arthur Holmes' contribution to the understanding of continental drift?
How does thermal convection in the Earth's mantle operate?
How does thermal convection in the Earth's mantle operate?
What is the significance of convection cells in relation to continental movement?
What is the significance of convection cells in relation to continental movement?
What key factor contributed to the resurgence of interest in continental drift after Wegener's death?
What key factor contributed to the resurgence of interest in continental drift after Wegener's death?
Signup and view all the answers
What was lacking in Wegener's initial hypothesis about continental drift?
What was lacking in Wegener's initial hypothesis about continental drift?
Signup and view all the answers
What term did Wegener use to describe the single landmass that existed around 300 million years ago?
What term did Wegener use to describe the single landmass that existed around 300 million years ago?
Signup and view all the answers
What was the primary criticism of Wegener’s Continental Drift Hypothesis by other scientists?
What was the primary criticism of Wegener’s Continental Drift Hypothesis by other scientists?
Signup and view all the answers
How did Wegener compare the movement of continents according to his hypothesis?
How did Wegener compare the movement of continents according to his hypothesis?
Signup and view all the answers
What forces did Wegener propose were responsible for the movement of continents?
What forces did Wegener propose were responsible for the movement of continents?
Signup and view all the answers
What conclusion did scientists reach about the strength of centrifugal and tidal forces in relation to continent movement?
What conclusion did scientists reach about the strength of centrifugal and tidal forces in relation to continent movement?
Signup and view all the answers
What alternative outcome did one scientist propose if centrifugal forces were strong enough to move continents?
What alternative outcome did one scientist propose if centrifugal forces were strong enough to move continents?
Signup and view all the answers
What prediction did Wegener make regarding the deformation of continents if they were plowing through the ocean basins?
What prediction did Wegener make regarding the deformation of continents if they were plowing through the ocean basins?
Signup and view all the answers
In what year did Wegener first publish his book detailing his Continental Drift Hypothesis?
In what year did Wegener first publish his book detailing his Continental Drift Hypothesis?
Signup and view all the answers