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TEST THE FIFTH
The Dynamic Crust
and
Earthquakes
“The test is to recognize the mistake, admit it and correct it. To have tried to do
something and failed is vastly better than to have tried to do nothing and
succeeded.”
Dale E. Turner
"Experience is a hard teacher because she gives the test first, the lesson afterward."
Vernon Law
"A liberally educated person meets new ideas with curiosity and fascination. An illiberally
educated person meets new ideas with fear.“
James B. Stockdale
Thursday, March 19th, 2009
Name ________________________________________________ Date ______________ Period _______
TEST THE FIFTH: THE DYNAMIC CRUST AND EARTHQUAKES
Directions: This test is designed to let your teacher know how much information you have learned
over the past few weeks, and to allow you to gauge this as well. Remember to think about your notes, and
all the examples and demonstrations that we’ve done in class. Read each question carefully and completely
before making your response, and make sure that whatever you write answers every part of the question. Do
not leave any blank questions or naked numbers. Blank questions will be marked off at twice the rate of a
wrong answer. Relax, good luck, and enjoy!
0. What is the purpose of meaning?
1. Igneous rocks on the ocena floor that have an alternating pattern of magnetic orientation provide
evidence that:
A. Ocean tides are cyclic
B. The seafloor is spreading
C. Mountains are rising
D. The earth is being struck by meteorites
_________
2. According to the ESRT, as depth within the Earth’s interior increases, the
A. Density increases, but temperature and pressure do not.
B. Density, pressure, and temperature increase
C. Density, pressure, and temperature decrease
D. Density and pressure increase, but temperature decreases
_________
3. A seismograph station that is 2,000 km from the epicenter of an earthquake received an S-wave at 11:30
p.m. According to the ESRT, when did the earthquake occur?
A. 11:33:30 p.m.
B. 11:22: 40 p.m.
C. 11:26 p.m.
D. 11:37:20 p.m.
_________
4. Which of the following waves can move through solids, only?
A. S-waves
B. P-waves
C. Both S- and P-waves
_________
5-7. Use the diagram below to answer questions five through seven.
5. What type of plate boundary is located at the Jordan fault?
6. Using your ESRT, name a place in the US where a similar type of
boundary is found.
7. Do you expect this area to be prone to earthquakes? EXPLAIN!
8. The presence of eurypterid (fossils of organisms that lived in ancient seas) fossils in New York State
bedrock indicates that
A. eurypterids lived in land environments
B. eurypterids first appeared on Earth during the Devonian Period
C. most of New York State was once a mountainous region
D. areas of New York State were once covered with shallow seas
_________
9. Use the map of the sea floor below to answer question 9.
= Normal
= Reversed
Draw in, using the key provided, the possible magnetic polarity of the rocks on the sea floor.
10. Which statement about the Earth’s crust is true?
A. It is thinnest under the center of continents
B. It is of uniform thickness
C. It is thicker under the poles than the equator
D. It is thinnest under the oceans
_________
11. The theory of continental drift suggests that
A. Present-day South America and Africa are moving towards eachother
B. Present-day South America and Africa once fit together like puzzle parts
C. Continents move due to the coriolis effect caused by the Earth’s rotation
D. Continents move due to changes in the Earth’s velocity.
_________
12. What is the total distance that a P-wave will travel in 7 minutes and 20 seconds?
A. 2,800 km.
B. 5,800 km.
C. 7,200 km
D. 4,200 km
_________
13. Which statement correctly compares seismic P-waves with seismic S-waves?
A. P-waves travel faster than S-waves and pass through Earth’s liquid zones.
B. P-waves travel faster than S-waves and do not pass through Earth’s liquid zones.
C. P-waves travel slower than S-waves and pass through Earth’s liquid zones
D. P-waves travel slower than S-waves and do not pass through Earth’s liquid zones.
_________
14. What is one thing that you could do to make a building more resistant to damage from an earthquake?
You may write, draw, or both.
15. Explain how the Hawaiian Islands have been and are being formed. You may write, draw or both.
16-19. Use the diagrams below to answer questions sixteen through nineteen.
16. Which diagram best represents the San
Andreas Fault? What type of plate
boundary is it?
A
17. Which diagram best represents the kind
of boundary in the Atlantic Ocean between
Africa and South America? What feature is
being formed?
B
C
18. Using your ESRT, name a location on the Earth’s crust where a boundary like B exists. In your answer,
name what type of boundary is it, and name the two plates involved.
19. What is causing the movement of the tectonic plates in ALL of the diagrams above? You may write,
draw or both.
20. Which features are most often found at crustal plate boundaries?
A. Plains and plateaus
B. Faulted bedrock and volcanoes
C. Geysers and glaciers
D. Meandering rivers and warm-water lakes
_________
21. The photograph below is of an actual fault. The rock on top from the pacific plate is overriding the rock
on the bottom (near the automobile) of the North
American plate. What type of plate boundary do you
think this is?
22. WHERE and HOW were the layers of sedimentary rock
In the picture originally formed?
23. An earthquake
happened:
145 mi from
Pittsburgh,
180 mi from
Cleveland and
172 mi from Londres.
Where was the
epicenter? Circle the
spot on the map!