Podcast
Questions and Answers
What theory did Alfred Wegener develop?
What theory did Alfred Wegener develop?
- Theory of plate tectonics
- Theory of seismic waves
- Theory of volcanic eruptions
- Theory of continental drift (correct)
When did Alfred Wegener pass away?
When did Alfred Wegener pass away?
- 1948
- 1930 (correct)
- 1975
- 1960
What new evidence excited a new generation of geologic investigators?
What new evidence excited a new generation of geologic investigators?
- Young volcanic rock along a submerged mountain range (correct)
- Dinosaur fossils
- Meteorite impact sites
- Coal deposits in Antarctica
What did the scientist find in the Atlantic Ocean that was a key clue in solving the mystery?
What did the scientist find in the Atlantic Ocean that was a key clue in solving the mystery?
Why was there a heightened interest in mapping the ocean floor after World War II?
Why was there a heightened interest in mapping the ocean floor after World War II?
What did investigators find on the ocean floor that provided critical clues to solving 'The Mystery of the Drifting Continents'?
What did investigators find on the ocean floor that provided critical clues to solving 'The Mystery of the Drifting Continents'?
What term is used to describe cracks in the earth's crust according to the text?
What term is used to describe cracks in the earth's crust according to the text?
What was the significance of discovering cracks in the earth's crust, or lithosphere, as mentioned in the text?
What was the significance of discovering cracks in the earth's crust, or lithosphere, as mentioned in the text?
How did scientists determine the location of the Earth's magnetic poles according to the text?
How did scientists determine the location of the Earth's magnetic poles according to the text?
What evidence supported the idea of seafloor spreading as described in the text?
What evidence supported the idea of seafloor spreading as described in the text?
What did studying accumulated earthquake data reveal to scientists, as mentioned in the text?
What did studying accumulated earthquake data reveal to scientists, as mentioned in the text?
What was the primary physical evidence that led to the understanding that lithosphere actually moved on the surface of the Earth?
What was the primary physical evidence that led to the understanding that lithosphere actually moved on the surface of the Earth?
How did scientists determine that identical magnetic patterns on either side of mid-ocean ridges formed at the same time?
How did scientists determine that identical magnetic patterns on either side of mid-ocean ridges formed at the same time?
What role did magma play in supporting the theory of seafloor spreading as discussed in the text?
What role did magma play in supporting the theory of seafloor spreading as discussed in the text?
'The Mystery of Drifting Continents' was ultimately resolved by which scientific discovery mentioned in the text?
'The Mystery of Drifting Continents' was ultimately resolved by which scientific discovery mentioned in the text?