Chapter 7 Study Guide s1
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Chapter 7 Study Guide Plate Tectonics
What is the major evidence that sea-floor spreading creates new lithosphere? Explain your answer.
If scientists were able to drill through the Earth’s crust, would it be better to drill through oceanic crust or continental crust? Explain your answer.
Tectonic plates forming a transform boundary may move only a few centimeters each year. Can even this small movement affect people and communities living near a transform boundary? Explain your answer.
Explain how folded mountain ranges form.
How does the position of a hanging wall relative to the footwall give evidence of the stress placed on a rock layer?
Describe the role of the asthenosphere in the movement of tectonic plates.
Describe, in detail how Pangaea broke apart. What were the pieces called? How do they relate to the modern names of the continents?
Describe the process that occurs at mid-ocean ridges.
Why is the mantle more dense that the crust?
Describe the components that make up the core (inner and outer) of the Earth.
Explain the theory of continental drift in your own words. What evidence do we have that actually proves that the theory was accurate?
Describe the components that make up the mantle in detail.
Describe the asthenosphere. What floats on the asthenosphere?
Explain the theory of plate tectonics in your own words. What evidence do we have to support Plate Tectonics?
Explain the difference between uplift and subsidence.
Explain how seismic waves travel through the Earth’s layers. Why do they travel at different speeds?
Describe a volcanic mountain.
Compare a fault block mountain range to a folded mountain range.
What forms when two tectonic plates are pulling away from each other?