This quiz is about Tsunami and Plate Tectonics. Be sure to review the week 5 lab notes (for information about what causes tsunami and what causes earthquakes), and the background information in the Plate Tectonic Machines activity that we did in class (p.138-142). I will ask you three of the following questions:
1. Clearly explain what causes earthquakes. (see the on-line lab notes - week 5)
2. Clearly explain what causes tsunami. (see the on-line lab notes - week 5)
3. Clarify the possibility (or not) of forming a tsunami at each plate boundary type by filling out the chart below: (see the on-line lab notes - week 5)
| Plate Boundary Type | Tsunami likely? (yes or no) | Explain your reasoning - why or why not is a tsunami likely at this boundary |
| Divergent | ||
| Subduction (convergent) | ||
| Continent-Continent Collision (convergent) | ||
| Transform |
3. List the relative motions and landform types that characterize (a) a spreading center (divergent plate boundary) and (b) a subduction zone (convergent plate boundary).
| Plate Boundary | Plate motion at this boundary | Landform or Sea floor feature that characterizes this boundary |
| Divergent | ||
| Subduction |
4. List the relative motions and landform types that characterize (a) a continent-continent collision (convergent plate boundary) and (b) a transform.
| Plate Boundary | Plate motion at this boundary | Landform or Sea floor feature that characterizes this boundary |
| Continent-Continent Collsion | ||
| Transform |
5. Name the rock that the seafloor is composed of. Discuss how and where this seafloor rock is created.
6. Given a map with seafloor ages on it, be able to draw in the approximate location of a mid-ocean ridge.
7. Explain why the seafloor 'age stripes' in the Atlantic Ocean are narrow whereas those in the Pacific Ocean are wide.
8. What two plate boundary types have volcanic activity associated with them?
9. Given a map view sketch showing a fracture zone offsetting mid-ocean ridge segments, be able to label the transform on the map and show the direction that the plates are moving on either side of the transform on the map.
10. Explain in general how the Coast Ranges in California formed. (see p.140-141 in your lab manual)