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Chapter 9 Concept Questions and Vocabulary
Name:_______________________________Date:___________________
1.
What is the hypothesis of continental drift?
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2. List the evidence that supported the hypothesis of continental drift.
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3. List the three types of plate boundaries.
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4. What theory proposes that Earth’s outer shell consists of a number of rigid slabs?
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5. What is seafloor spreading?
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6. What is a subduction zone? What types of plate boundaries have busduction zones?
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7. What drives the slow movement of the plates and the convection in the mantle?
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Chapter 9 Concept Questions and Vocabulary
Name:_______________________________Date:___________________
1. Continental drift:
2. Continental volcanic arc:
3. Convective flow:
4. Convergent boundary:
5. Divergent boundary:
6. Hot spot:
7. Mantle plume:
8. Normal polarity:
9. Oceanic ridge:
10. Paleomagnetism:
11. Pangaea:
12. Plate tectonics:
13. Reverse polarity:
14. Ridge-push:
15. Rift valley:
16. Seafloor spreading:
17. Slab-pull:
18. Subduction zone:
19. Transform fault boundary:
20. Volcanic island arc: