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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?
- Gondwana
- Laurasia
- Rodinia
- Pangaea (correct)
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?
- Dissimilar climates and coastlines
- Matching coastlines and mountain chains (correct)
- Unmatched rock types and glacial evidence
- Different plant and animal fossils
Who created the first scientific map of the entire ocean floor?
Who created the first scientific map of the entire ocean floor?
- Alfred Wegener
- Sonar technology
- Harry Hess
- Marie Tharp (correct)
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?
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Why was Alfred Wegener's hypothesis of continental drift initially rejected?
Why was Alfred Wegener's hypothesis of continental drift initially rejected?
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What did Harry Hess use in 1960 to explain Sea-Floor Spreading?
What did Harry Hess use in 1960 to explain Sea-Floor Spreading?
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What is the deepest trench on Earth located within?
What is the deepest trench on Earth located within?
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What is the Challenger Deep?
What is the Challenger Deep?
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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?
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What evidence supports the theory of sea-floor spreading?
What evidence supports the theory of sea-floor spreading?
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