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

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.

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

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

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

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

6. Earthquake X is 3. 5 on the Richter scale 6. Earthquake X is 3.5 on the Richter scale. Earthquake Y releases approximately 27 000 times more energy than earthquake X. What is the Richter scale reading of earthquake Y? 6.5 4.5 5.5 8.5

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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