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Exam 1 Practice

Exam 1 Practice. Click here to. Start Practice Test. OCNG 251-505. For more practice: Exam 1 Sample Questions Earth Origin PowerPoint Oceanography History PowerPoint Plate Tectonics PowerPoint A and B Marine Provinces PowerPoint Marine Sediments PowerPoint.

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Exam 1 Practice

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  1. Exam 1 Practice Click here to Start Practice Test OCNG 251-505 For more practice: Exam 1 Sample Questions Earth Origin PowerPoint Oceanography History PowerPoint Plate Tectonics PowerPoint A and B Marine Provinces PowerPoint Marine Sediments PowerPoint

  2. The magnetic pattern on the seafloor a. is created by lava emerging at deep sea trenches b. is symmetrical about and parallel to mid-ocean ridges c. has been used to explain the cause of magnetic reversals d. confirms the theory of continental drift e. all of the above

  3. b - symmetrical about and parallel to mid- ocean ridges

  4. The first voyage designed solely to collect oceanographic data was aboard the a. Fram b. Meteor c. HMS Challenger d. Pangaea e. JOIDES Resolution

  5. c - HMS Challenger

  6. The seafloor a. increases in age from the ridge outward b. is oldest at the ridge c. shows no systematic age pattern

  7. a - increases in age from the ridge outward

  8. Which of the following led the first voyage that circumnavigated the world? a. Christopher Columbus b. Vasco da Gama c. Sir Francis Drake d. Ferdinand Magellan e. none of the above

  9. d - Magellan

  10. Which important contribution did Benjamin Franklin make? a. organized effort to produce accurate map of the Gulf Stream b. described the relationship between coral reefs and volcanic islands c. noted that rocks found on land must have formed in the ocean since they had seashells in them d. made important observations about the chemistry of seawater

  11. a - map of Gulf Stream

  12. Which explorer sought to determine whether a continent existed near the North Pole? a. James Cook b. Fridtjof Nansen c. Sir John Ross d. John Cabot e. Ferdinand Magellan

  13. b - Nansen

  14. The primary evidence for the Big Bang is a. the presence of many solar systems other than our own b. the size of the planets within the solar system c. the Milky Way d. galaxies moving away from a central point e. the age of the earth and moon

  15. d - galaxies moving away from a central point

  16. Continental crust is primarily made of a. clay minerals b. basalt c. granite d. phyllites and schists e. carbonate sedimentary rocks

  17. c - granite

  18. Oceanic crust is primarily made of a. clay minerals b. basalt c. granite d. phyllites and schists e. carbonate sedimentary rocks

  19. b - basalt

  20. Which unique conditions appear to cause Earth to have oceans? a. age b. size c. distance from Sun d. presence of the moon

  21. c - distance from the sun

  22. Free oxygen first accumulated in our atmosphere in significant amounts about _______ million years ago. a. 2000 b. 200 c. 20 d. 2

  23. a - 2000

  24. Differences in height between continental crust and oceanic crust are explained by a. isostasy b. continental drift c. paleomagnetism d. ophiolites

  25. a - isostasy

  26. Movement of particles as a P wave passes through can be best described as a. compression and extension in the direction of the wave movement b. compression and extension in a direction perpendicular to wave movement c. shear motion perpendicular to the direction of wave movement d. shear motion in the direction parallel to wave movement

  27. a - compression and expansion in the direction of wave movement

  28. Movement of particles as an S wave passes through can be best described as a. compression and extension in the direction of the wave movement b. compression and extension in a direction perpendicular to wave movement c. shear motion perpendicular to the direction of wave movement d. shear motion in the direction parallel to wave movement

  29. c - shear motion perpendicular to the direction of wave movement

  30. Which of the following can be found at convergent plate boundaries on the seafloor? a. crest of a mid-ocean ridge b. offset of a mid-ocean ridge c. deep sea trenches d. fracture zones

  31. c - deep sea trenches

  32. Transform faults are _________ while fracture zones are ____________. a. seismically active; aseismic b. aseismic; seismically active c. convergent; divergent d. divergent; convergent

  33. a - seismically active; aseismic

  34. Which of the following is characteristic of oceanic-oceanic convergent plate boundaries? a. volcanic island arcs b. andesitic volcanoes c. mid-ocean ridges d. fracture zones

  35. a - volcanic island arcs

  36. Which of the following is characteristic of oceanic-continental convergent plate boundaries? a. volcanic island arcs b. andesitic volcanoes c. mid-ocean ridges d. fracture zones

  37. b - andesitic volcanoes

  38. The gentlest slopes in the ocean can be found at the a. continental slope b. mid-ocean ridges c. abyssal plains d. continental shelf

  39. c - abyssal plains

  40. Characteristics of passive continental margins include all of the following except a. thick sediment accumulation b. broad continental shelf c. deep-sea trench d. very little volcanic and earthquake activity

  41. c - deep-sea trench

  42. Characteristics of active continental margins include all of the following except a. broad continental shelf b. deep-sea trench c. chains of islands d. lots of volcanic and earthquake activity e. thin sediment accumulation

  43. a - broad continental shelf

  44. Walking away from the shore toward the middle of the Atlantic Ocean, in what order would one find the following provinces? a. slope, rise, shelf, abyssal plain b. shelf, slope, rise, abyssal plain c. abyssal plain, rise, slope, shelf d. abyssal plain, shelf, slope, rise

  45. b - shelf, slope, rise, abyssal plain

  46. Shelf break marks the boundary between the ________ and the __________. a. shelf; rise b. shelf; slope c. shelf; abyssal plain d. slope; rise

  47. b - shelf; slope

  48. Sediments which are poorly sorted and made of a variety of minerals might have been deposited by a. a volcanic eruption b. the wind c. a river d. a turbidity current

  49. d - a turbidity current

  50. Which of the following is made of calcium carbonate? a. granite b. basalt c. diatoms d. shark's teeth e. foraminifera

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