1. Question and Answer Samples and Techniques
U4 Quiz 3209
Question and Answer
Samples and Techniques

2. 1. What happens at a transform plate boundary?
Major mountain belts are produced by continental collision
New oceanic crust is produced
Plates move past each other along a fault.
Plates are subducted into the mantle.

3. 2. What evidence was used to support the Plate Tectonic theory?
seafloor spreading
crustal uplifting
hanging valleys
isostatic adjustment

4. 3 What sort of force is shown in the diagram below?
compressional
shear
tensional
faulting

5. 4 The composition of this molten is largely
4 The composition of this molten is largely ...? ... since the melting basaltic oceanic crust becomes mixed with melting weathered sediments that were located on top of the subducting plate
andesitic
intermediate
mafic
ultramafic

6. 5. What is the point on Earth’s surface directly above an earthquake’s origin?
epicenter
focus
aftershock
foreshock

7. 6. Earthquake X is 3. 5 on the Richter scale
6. Earthquake X is 3.5 on the Richter scale. Earthquake Y releases approximately times more energy than earthquake X. What is the Richter scale reading of earthquake Y?
6.5
4.5
5.5
8.5

8. 7 Which piece of supporting evidence for plate tectonics is referenced in the diagram below?
magnetic reversals
polar wandering
mountain chains
fossil correlation

9. 8. Which scientist proposed the existence of Transform Faults and Hotspot Volcanism?
J. Tuzo Wilson
Harry Hess
Alfred Wegener
Arthur Holmes

10. 9. Which earthquake wave can travel through both solids and liquids?
shear
primary
Rayleigh
secondary

11. 10 Differential motion along subduction zone produces deep-seated earthquakes, the foci of which may be as deep as ...?... Km. 10
250
700
2600

12. 11. Which if the following is a deep active seismic area in a subduction zone, where earthquake foci may be as deep as about 700 kilometres .
Wadati–Benioff zone
Fracture zone
Continental Margin
Rift Valley

13. 12. Which of the following are formed by the large outpourings of fluid lava from fissures (long narrow openings) in the crust?
Lava plateaus 
Fold Mountains
Plutons
Rift Valleys

14. 13. Which scientist proposed the existence of a supercontinent called Pangaea?
J. Tuzo Wilson
Arthur Holmes
Harry Hess
Alfred Wegener

15. 14. Which volcano will produce basaltic lava when it erupts?
shield
cinder
composite
stratovolcano

16. 15 What sort of feature is located at A?
Fold Mountain
Island arc
Trench
Volcanic arc

17. 16 These surface features created by descending plates vary considerably in depth and width.
Benioff zones
rift valleys
volcanoes
trenches

18. 17.Which of the following DOES NOT represent a divergent plate boundary?
Mid-Indian ridge
Chile Trench
Mid-Atlantic ridge
East African Rift Valley

19. 18 Indicate the direction of plate motion on either side of the ridge.
 
 
  

20. 19. In which layer of Earth does convection occur resulting in plate movement?
lithosphere
asthenosphere
inner core
outer core

21. 20. The earth’s outer shell consists of about many rigid slabs called plates that are in slow, continuous motion relative to one another. How many? 10 20 30 40

22. 21 Which feature was formed by continental-continental collisions?
Appalachian mountains
Rift Valley
Cascade Mountains
Emperor Seamounts

23. 22 What is illustrated in the diagram?
Seismic waves move in
3 dimensions
All Seismic waves travel at
the same speed
Earthquakes only occur
Near mountains
Seismic Waves reflect
At faults

24. 23. Which of the faults listed below is most similar to the San Andreas?
Alpine
Dover
Rift
Niagara

25. 24 What sort of fault is located at A in the diagram below?
transform
normal
reverse
subduction

26. 25. Which aspect of earthquakes is recorded by the Modified Mercalli Scale?
intensity
location
amplitude
magnitude

27. 26 The volcanoes produced at oceanic-oceanic collisions are of which variety
Volcanic arc
Hot spot
Intraplate
Island arc

28. 27. Basaltic lava that has a billowy, or ropy surface is referred to as?
Viscous
Aʻā
Basaltic
Pāhoehoe

29. 28 Deep Ocean drilling aided in our understanding in which pieces of evidence for plate tectonics?
Magnetic reversals
Apparent Polar Wandering
Strata Correlation
Paleoclimates

30. 29. At which kind of boundary would you expect to find the highest percentage of basaltic rock?
divergent
convergent
subduction
transform