Podcast
Questions and Answers
What was the name of the supercontinent proposed by Alfred Wegener?
What was the name of the supercontinent proposed by Alfred Wegener?
What evidence did Alfred Wegener use to support his hypothesis of continental drift?
What evidence did Alfred Wegener use to support his hypothesis of continental drift?
Who created the first scientific map of the entire ocean floor?
Who created the first scientific map of the entire ocean floor?
What technology was used in the early 1900s to calculate the distance to the ocean floor?
What technology was used in the early 1900s to calculate the distance to the ocean floor?
Signup and view all the answers
Why was Alfred Wegener's hypothesis of continental drift initially rejected?
Why was Alfred Wegener's hypothesis of continental drift initially rejected?
Signup and view all the answers
What did Harry Hess use in 1960 to explain Sea-Floor Spreading?
What did Harry Hess use in 1960 to explain Sea-Floor Spreading?
Signup and view all the answers
What is the deepest trench on Earth located within?
What is the deepest trench on Earth located within?
Signup and view all the answers
What is the Challenger Deep?
What is the Challenger Deep?
Signup and view all the answers
What process causes older portions of the ocean floor to subduct into the mantle?
What process causes older portions of the ocean floor to subduct into the mantle?
Signup and view all the answers
What evidence supports the theory of sea-floor spreading?
What evidence supports the theory of sea-floor spreading?
Signup and view all the answers
