Podcast
Questions and Answers
What is the pattern of the rocks' age near the mid-ocean ridge?
What is the pattern of the rocks' age near the mid-ocean ridge?
- They become progressively older away from the ridge crest (correct)
- They are very old at the ridge crest
- They become progressively younger away from the ridge crest
- They are similar in age across the ridge
What is the significance of the symmetrical stripes around the mid-ocean ridge crests?
What is the significance of the symmetrical stripes around the mid-ocean ridge crests?
- They indicate the movement of the Earth's crust
- They are a result of geomagnetic reversals
- They show the age of the rocks
- They support the seafloor spreading hypothesis (correct)
What is the 'tape recording' that the oceanic crust provides?
What is the 'tape recording' that the oceanic crust provides?
- A record of the Earth's temperature changes
- A record of the Earth's magnetic field reversals (correct)
- A record of the Earth's plate movements
- A record of the Earth's volcanic activity
What is the name of the hypothesis that explains the construction of the mid-ocean ridge system?
What is the name of the hypothesis that explains the construction of the mid-ocean ridge system?
Who added the concept of transform faults to the Plate Tectonics model?
Who added the concept of transform faults to the Plate Tectonics model?
What is the name of the fit that shows how the continents along both sides of the Atlantic would close the ocean?
What is the name of the fit that shows how the continents along both sides of the Atlantic would close the ocean?
What is the term for the study of the history of the Earth's magnetic field reversals?
What is the term for the study of the history of the Earth's magnetic field reversals?
What is the name of the cycle that refers to previous plate tectonic reconstructions?
What is the name of the cycle that refers to previous plate tectonic reconstructions?
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