Practice Concept Of Sea Floor Spreading (4.2) - DISTRIBUTION OF OCEANS AND CONTINENTS

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6 sample questions

Question 1.
What is sea floor spreading?
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Think about where new crust forms.
Question 2.
Name one evidence supporting sea floor spreading.
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What happens to rocks as you move away from the ridge?
3Question 3.
What is the primary mechanism of sea floor spreading?
- Plate contraction
- Volcanic activity at mid-ocean ridges
- Erosion of continental crust
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Consider where new crust forms in the ocean.
4Question 4.
True or False: The oceanic crust is older than the continental crust.
- True
- False
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Think about the age differences of rocks on either side of the ridge.
Question 5.
Formulate a hypothesis on the relationship between sea floor spreading rates and earthquake occurrences in mid-ocean ridges.
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Link the speed of crust formation with tectonic stress.
Question 6.
Explore how the concept of plate tectonics has advanced our understanding of historical geological events.
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Think about how plates interact over geological time periods.

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