sea floor spreading


Review for Chapter 5 test


PLATE TECTONICS!

subduction zone

Question #
Question
Point value
page in text

1.
List two types of evidence that support the idea of continental drift.
4
95
2.
What will happen to the size of the Atlantic Ocean in the next 50 million years?
2
95
3.
How are mid-ocean ridges and subduction zones similar?  How are they different?
4
104
4.
If convection cells in the mantle can be complared to conveyor belts, to what are tectonic plates then compared?
2
108
5.
What is the theory of continental drift?
2
110 #1
6.
How does the age of rocks found at the bottom of the ocean compare to the age of rocks found on the continents?
4
110#2
7.
How do marks left by ancient glaciers provide evidence for continental drift?
4
110 #7
8.
List and explain the ways plates can interact with one another.
6
110 #8
9.
What landforms can result when two plates meet at a convergent boundary?
3
110 #9
10.
What layer of the earth do the tectonic plates float on top of?
2
110 #11
11.
How does the density of the oceanic crust compare with the density of the continental crust?
2
110 #12
12.
Do question number 3, Check Your Understanding on page 110
8

13.
Why does the continental crust material always stay near the surface of the earth?
2
110 # 5 CYU
14.
Complete #7, page 110 - Check Your Understanding.  Show your work, including all formulae, substitutions and calculations.
4
110 #7 CYU
15.
Complete Make Connections #1 on page 111.
6
page 111 #1
16.
Webquest covering The Dynamic Earth.



Geological faults:  animations
Lateral fault
Reverse fault
Can you name the faults (above)?

References used:
http://library.thinkquest.org/17457/platetectonics/4.php, 12/15/06
http://neic.usgs.gov/neis/eq_depot/2003/eq_030620_13/, 12/15/06
http://earthsci.org/processes/pro.html, 12/15/06
http://www.data.scec.org/glossary.html, 12/15/06
http://www-personal.umich.edu/~vdpluijm/earthstructure.htm, 12/15/06
http://www.data.scec.org/glossary.html, 12/15/06
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