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Foothill High School Science Department Plate Tectonics Exam #4 Instructions: 1. Write and bubble in the last 6 digits of your ID NUMBER in the boxes at the top of the ScanTron. 2. Fill in the information box on the top right side of the Scan Tron. PRINT NEATLY. 3. Answer each question by choosing the answer that best fits the question. 4. DO NOT write on this question paper. 5. When you are finished place this question paper and your answer sheet in the baskets at the front of the room. Qapla'! (Success!) 1. Flat topped seamounts are commonly known as A) mid-ocean ridge C) seamounts B) guyots D) abyssal hills 2. Island arcs, such as those found in the Aleutians, Caribbean, and the Japan archipeligo, are formed by volcanic action caused by _______. A) dissoloution C) divergence B) conduction D) subduction 3. Seamounts which rise above the ocean's surface level are called: A) abyssal hills C) rifts B) guyots D) islands 4. Of the following ocean basin features, the one with the steepest slope is the ________. A) continental slope C) continental shelf B) continental rise D) abyssal plain 5. The shallow, submerged extension of a continent is called ________. A) continental slope C) oceanic ridge B) continental rise D) continental shelf 6. A long chain of underwater mountains is called A) a continental margin C) a trench B) a mid-ocean ridge D) a subduction zone 7. Featureless expanses of sediment covering the sea floor are known as A) continental margins C) subduction zones B) mid-ocean ridges D) abyssal plains 8. Which of the following is best associated with trenches? A) Divergent plate boundary B) Normal fault C) Convergent plate boundary D) Transform plate boundary 9. Where are the deepest places in the ocean? A) submarine canyons C) trenches B) hydrothermal vents D) ridges Mr. Dugan Marine Science 11. If Mount Everest were placed in the Marianas Trench, the summit of Mount Everest would A) would not reach the top of the trench B) would be about 10 feet below the surface C) peak above the ocean surface D) still be under water with over a mile before the surface 12. What is the deepest place on Earth? A) Puerto Rico Trench C) Sunda Trench B) Java Trench D) Marianas Trench 13. What is the name of the 40,000 mile underwater mountain chain? A) island arcs C) tectonic plates B) mid-ocean ridge D) continental rise 14. As time has passed, the Atlantic Ocean basin has: A) gotten smaller B) been inactive C) gotten larger D) become older than the Pacific Ocean 15. Who was the first person to write about how the continents seem to fit together like a jigsaw puzzle? A) Prince Henry the Navigator B) James Cook C) Alfred Wegener D) Ferdinand Magellan 16. According to the theory of Drifting Continents, the presence of fossils of the same species of organisms on continents that are separated by an ocean indicates A) this species was capable of swimming long distances. B) the continents must have been connected at some time in the past. C) a species can evolve separately on two different continents. D) there is no explanation. 17. The occurrence of earthquakes and the presence of volcanoes in certain areas of the world corresponds to the presence of A) major cities C) hot spots B) plate boundaries D) impact craters 18. How do tectonic plates move? A) The rotation of the Earth on it's axis. B) Magma from the mantle pushes the plates apart as it comes to the surface. C) Crustal material returning into the mantle pulls the plates along with it. D) Convection currents in the mantle. 10. The tallest mountain on Earth is A) Mauna Kea C) Mount Everest B) Mount St. Helens D) Mount Kilimanjaro Version 1 Page 1 11/2011 Foothill High School Science Department Plate Tectonics Exam #4 Mr. Dugan Marine Science Base your answers to questions 19 and 20 on the diagram below. 19. Which letter represents the location of a convergent plate boundary? A) A B) B C) C D) D 20. Which letter indicates the location of a divergent plate boundary? A) A B) B C) C D) D 21. Going from the center of the Earth outward, the four major layers in order are A) the crust, the mantle, the inner core, and the outer core. B) the mantle, the inner core, the outer core, and the crust. C) the inner core, the outer core, the crust, and the mantle. D) the inner core, the outer core, the mantle, and the crust. 22. According to the theory of seafloor spreading, new seafloor _______ due to ______. A) emerges from the rift valley, magma pushing up from the asthenosphere. B) subsides at the trenches, polar reversal. C) emerges from mid-ocean ridge, basaltic orientation in the trenches. D) all of the above may be correct at different times. 24. Which set of Earth processes are thought to be most closely related to each other because they normally occur in the same zones? A) volcanic activity, rock weathering, and deposition of sediments B) earthquakes, shallow-water fossil formation, and shifting magnetic poles C) mountain building, earthquakes, and volcanic activity D) mountain building, shallow-water fossil formation, and rock weathering 23. According to the theory of plate tectonics, the lithosphere consists of A) hot spots that float up from the mantle. B) several rigid plates that float on the asthenosphere. C) an unbroken solid mass that surrounds the molten interior. Version 1 Page 2 11/2011 Foothill High School Science Department Plate Tectonics Exam #4 Mr. Dugan Marine Science 25. The diagram below shows some features of Earth’s crust and upper mantle. Which model most accurately shows the movements (arrows) associated with the surface features shown in the diagram? C) A) B) Version 1 D) Page 3 11/2011 Plate Tectonics Answer Key MS - Plate Tectonics [Nov 17, 2011] 1. B 2. D 3. D 4. A 5. D 6. B 7. D 8. C 9. C 10. A 11. D 12. D 13. B 14. C 15. C 16. B 17. B 18. D 19. A 20. C 21. D 22. A 23. B 24. C 25. D Version 1 11/2011 Question ID's in Numerical Order. 1. 12 2. 3729 3. 20042 4. 20043 5. 20044 6. 20046 7. 20047 8. 20048 9. 20049 10. 20050 11. 20051 12. 20285 13. 20286 14. 20287 15. 20288 16. 20289 17. 20290 18. 20291 19. 20292 20. 20696 21. 20697 22. 20698 23. 20791 24. 20793 25. 20794 Question ID's in Test Order. 1. 20042 2. 20043 3. 20290 4. 20044 5. 20046 6. 20047 7. 20048 8. 20049 9. 20288 10. 20050 11. 20051 12. 20289 13. 20292 14. 20291 15. 20287 16. 20285 17. 20286 18. 20696 19. 20697 20. 20698 21. 20791 22. 20793 23. 20794 24. 12 25. 3729