Download plate tectonics post-test

PLATE TECTONICS STUDY GUIDE
1. What is the role of convection in plate tectonics?
2. 3 compositional layers: CMC
 Which is most dense?
 Which has the greatest mass (most space)?
 Which is least dense?
3. 5 mechanical/physical layers: Lost Ants March On Ice
 Which is the strong, lower layer of the mantle?
 Which is rigid?
 Which is rock that slowly flows (stretchy)?
 Which is solid iron and nickel?
 Which is liquid?
4. Be able to identify the mechanical/physical layers in order of least to greatest density.
5. Be able to identify the mechanical/physical layers in order of least to greatest temperature.
6. What do scientists study to understand Earth’s interior?
7. What causes crust to move sideways? Create a diagram.
8. Tectonic plates consist of what types of crust? What are the characteristics of these types of crust?
9. CONVERGENT BOUNDARY (continental-continental)
CONVERGENT BOUNDARY (oceanic-oceanic)
CONVERGENT BOUNDARY (continental-oceanic)
DIVERGENT
TRANSFORM
 What stress causes it the plate movement?
 In what direction move?
 What geological events can occur? (earthquakes, mountains, rift valleys, trenches, volcanoes)
10. What does the term Pangaea mean in Greek? What is the definition?
11. What are the 6 main pieces of evidence that support the theory of continental drift?
12. Why did many people reject Wegener’s theory?
13. What does the law of superposition state?
14. How does the law of superposition support Wegener’s theory of continental drift?
15. What is happening to the size of the Atlantic Ocean and the Pacific Ocean? Why is this happening? Which
plate boundaries are responsible for this?
16. Draw the ocean floor. Label the following terms.
CONTINENTAL RISE
CONTINENTAL SLOPE
CONTINENTAL SHELF
VOLCANIC ISLANIC
MID-OCEAN RIDGE
SEAMOUNT
ABYSSAL PLAIN
TRENCH
OTHER VOCABULARY: collision, crust (continental/oceanic), density, magnetic reversals, polarity (north and south),
seafloor spreading, slab pull, shearing, subduction, tension