SCIENCE 10 Unit 4: Earth Science Review Use the following diagram to answer questions 1 and 2. 1. Which location has the youngest crust? A. A B. B C. C D. D 2. Which location is associated with subduction? A. A B. B C. C D. D 3. Which of the following would be associated with this type of plate boundary? A. I and II only B. I and III only C. II and III only D. I, II and III 4. Which of the following explains the presence of a hot spot in the interior region of a continental plate? A. active subduction B. rising mantle magma C. transform fault plate boundary D. convergence of continental plates
5. Which of the following were used as evidence to support Continental Drift Theory? A. I and II only B. III, IV and V only C. I, III, IV and V only D. I, II, III, IV and V Use the following diagram for question 6. 6. If the divergent plate boundary, X, within the continent of Africa and the divergent boundary, Y, in the Indian Ocean both continue to be active in the future, what is likely to occur between the two plate boundaries? A. a rift valley B. a subduction zone C. hot spot volcanoes D. a transform fault zone
7. Which of the following explains why there are no volcanoes along the Denali fault that runs through Alaska and the Yukon? A. It is a subduction zone. B. It is an inactive hotspot. C. There is no magma source. D. It is a convergent plate boundary. 8. Which of the following observations represent evidence provided by Wegener to support his theory of continental drift? I the jigsaw fit of the continents II matching geological structures and rocks on different continents III matching fossils on different continents IV paleoglaciation V sea floor spreading A. I, II, III, & IV only C. II & III only B. I, II, III, IV, & V D. II, III, & IV only 9. Which of the following is not evidence of tectonic plate movement? A. The pattern of the magnetic striping is the same on both sides of the Mid-Atlantic Ridge. B. Rock samples taken near the Mid-Atlantic Ridge are much younger than those taken near the west coast of Africa and the east coast of South America. C. Stripes of rock from the Mid-Atlantic Ridge have alternating magnetic polarities. D. There is more sediment along the continental shelf than on the ocean floor. 10. Why was Wegener s theory of continental drift difficult for the scientific community to accept when the theory was proposed? A. Paleoglaciation points to common glacial evidence on many continents. B. Wegener could not explain what could cause the continents to move. C. Unique geological features can be found on opposing continents. D. The shapes of continents fit together like a jigsaw puzzle. 11. Which of the following is not true of the evidence of sea floor spreading provided by magnetic striping? A. Earth is like a large bar magnet and has 2 poles. B. Earth s magnetic poles reverse over hundreds of thousands of years. C. Rocks with magnetic striping, alternating bands of normal and reverse polarity, surround ocean ridges. D. The pattern of magnetic striping is different in rocks on either side of an ocean ridge. 12. What force pushes magma to the surface at ocean ridges and ultimately drives the movement of tectonic plates? A. continental drift B. earthquakes C. volcanic eruptions caused by a hot spot D. convection currents in the magma
13. What is a tectonic plate? A. a large, flexible slab of rock B. a large, rigid slab of rock C. a lava flow D. a continent 14. What evidence was discovered that helped to explain how continents are capable of moving? A. fossil remains that matched across large oceanic plates B. tropical plant fossils in non-tropical areas C. a solid crust on top of a fluid mantle D. magnetic striping of the sea floor Use the map below to answer question 15. 15. The Pacific Rim is sometimes called the Ring of Fire because of the large amount of volcanic activity that occurs there. What is the main cause of this volcanic activity? A. divergent plates C. subduction zones B. transform faults D. earthquake epicenters 16. Why is the inner core of Earth solid? A. The inner core rotates more slowly than the outer core. B. The immense pressure keeps it solid. C. The inner core of Earth is very cold. D. Earth formed from a rocky mass. 17. What type of seismic wave travels the fastest? A. L-wave C. S-wave B. P-wave D. both the P-wave and the L-wave
Use the map below to answer question 18. 18. Off of the south coast of British Columbia, we can find three different types of plate boundaries. In the image above, what are the plate boundaries located at A, B, and C, in that order? A. transform, convergent, divergent B. divergent, convergent, transform C. convergent, divergent, transform D. transform, divergent, convergent 19. Which of the following layers are components of the theory of plate tectonics? I lithosphere II asthenosphere III troposphere IV stratosphere A. I only C. I, II, and III only B. I and II only D. I, II, III, and IV 20. Which of the following are associated with an oceanic-oceanic convergent boundary? I volcanic island arc II suture zones III earthquakes IV ocean trenches A. I and III only C. I, III, and IV only B. I, II, and IV only D. II, III, and IV only
Use the following diagram and map to answer questions 21 and 22. 21. Where on the map does oceanic continental convergence occur? A. A B. B C. C D. D 22. Which of the following would be associated with this type of plate boundary? A. I and II only B. I and III only C. II and III only D. I, II and III I volcanism II deep earthquakes III volcanic island arc
Use the following earthquake diagram to answer question 23. 23. What does X point to? A. a focus B. a rift valley C. an epicentre D. a surface wave
Use the following geothermal model of the Earth to answer questions 24 and 25. The geothermal model was constructed using seismic evidence and laboratory experiments of the properties of rock at different temperatures and pressures. 24. Using the geothermal model, identify the depth of the upper boundary of the Earth s outer core. A. 200 km B. 2700 km C. 5200 km D. 6400 km 25. Why does melted iron become solid again at a depth of 5200 km? A. Pressure increases. B. Magnetism increases. C. Temperature decreases. D. Force of gravity decreases.
Solutions: 1. C 2. D 3. A 4. B 5. C 6. B 7. C 8. A 9. D 10. B 11. D 12. D 13. B 14. D 15. C 16. B 17. B 18. C 19. B 20. C 21. C 22. A 23. A 24. B 25. A