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Chapter 10 Questions
1) What is another name for Wegener’s Hypothesis?
2) Explain Wegener’s Hypothesis
3) What sort of fossil evidence supports Wegener’s Hypothesis?
4) What sort of rock evidence supports Wegener’s Hypothesis?
5) What sort of climate evidence supports Wegener’s Hypothesis?
6) What important bit of information did Wegener’s Hypothesis lack?
7) What is a mid-ocean ridge?
8) What are two surprising trends that scientists noticed while studying mid-ocean ridges?
9) What is a rift?
10) Describe sea-floor spreading.
11) Define paleomagnetism?
12) What is meant by the term “magnetic reversals”?
13) What is meant by the term “magnetic symmetry”?
14) Is magnetic reversal evidence observed on land, as well as on the ocean floors?
15) Describe the Theory of Plate Tectonics.
16) What is the lithosphere?
17) What is the asthenosphere?
18) Describe oceanic crust?
19) Describe continental crust?
20) How are tectonic plates and earthquakes related?
21) How are tectonic plates and volcanoes related?
22) What is a divergent boundary?
23) How are mid-ocean ridges formed?
24) What is a rift valley?
25) What is a convergent boundary?
26) What happens when oceanic crust collides with continental crust?
27) What does subduct mean?
28) What happens when two continental plates collide with each other?
29) What happens when two oceanic plates collide with each other?
30) What is a transform boundary?
31) What are fracture zones?
32) Describe mantle convection.
33) Describe ridge push.
34) Describe slab pull.
35) What is “rifting”?
36) What are terranes?
37) What is accretion?
38) Name two effects of continental change.
39) Briefly describe the supercontinent cycle.