1. I can describe evidence for continental drift theory (e.g., fossil evidence, mountain belts, paleoglaciation)

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1 Science 10 Review Earth Science Vocabulary asthenosphere continental drift theory converging plates diverging plates earthquakes epicentre fault hot spot inner core lithosphere mantle mantle convection outer core paleoglaciation plate boundary plate tectonic theory primary waves ridge push and slab pull rift valley secondary waves spreading ridge subduction zone surface waves tectonic plates transform fault trench volcanic belt volcanic island arc volcanoes Knowledge, understanding and skills 1. I can describe evidence for continental drift theory (e.g., fossil evidence, mountain belts, paleoglaciation) a. What did Wegener notice about the shapes of continents that led him to suggest that continents were able to move? b. List and describe three forms of evidence besides continent shape that gave support to the idea of continental drift. c. Complete the following table 2. I can relate the following to plate tectonic theory: - the world distribution of volcanoes, earthquakes, mountain belts, trenches, mid-ocean ridges, and rift valleys - hot spot and subduction zone eruptions - magnetic reversals and age of rocks relative to spreading ridges a. Explain the implications of evidence from each of the following areas. i. mapping the sea floor ii. analyzing ocean rock and sediment iii.paleomagnetism b. How did the Hawaiian Islands form? c. What does the theory of plate tectonics state? 1 of 8

2 3. I can define plate tectonics, plate boundary, earthquake, trench, volcano, spreading ridge, subduction zone, hot spot a. Define the following terms i. plate tectonics ii. plate boundary iii. earthquake iv. trench v. volcano vi. spreading ridge vii. subduction zone viii. hotspot More Practice for Chapter 12.1? CYU p I can identify the layers of the Earth. a. Name the four layers of Earth, in order from the inside out. i. (iii) ii. (iv) b. What is the difference between the densities of oceanic crust and continental crust? 5. I can explain how mantle convection and ridge push and slab pull are believed to contribute to plate motion. I can identify sources of heat within the Earth that produce mantle convection and hot spot activity. a. What is the source of energy for convection currents and hot-spot activity in Earth s mantle? b. In terms of the crust and the mantle, describe i. the lithosphere ii. the asthenosphere c. What is ridge push? d. What is slab pull? e. What happens in subduction? 6. I can describe tectonic plate boundaries, including transform boundaries, divergent boundaries, convergent boundaries (oceanic-oceanic crust, oceanic- continental crust, and continental-continental crust) and identify the matching tectonic mapping symbols 2 of 8

3 a. List three kinds of plate interactions. b. Identify the geographical features that are typical of i. two oceanic plates converging ii. an oceanic plate and a continental plate converging iii.two continental plates converging iv. two continental plates diverging v. two oceanic plates diverging c. What is the relative motion that occurs between two plates that meet at a transform boundary? d. More practice? CYU Q. 11 p. 537 Q. 13 p. 538 and Q p I can explain how plate movements produces composite and shield volcanoes a. List three types of volcanoes and state where each is found. b. More practice? CYU Q. 12, 15 p I can explain how seismic waves are used to describe earthquakes and study Earth s interior composition. a. What is the difference between the focus of an earthquake and the epicentre of an earthquake? b. What are three kinds of earthquake waves and how do they differ? c. More Practice? CYU Q. 7-10, 13 p. 537 Q. 57 p of 8

4 Provincial exam practice question: 16 Questions (~20 %, 25 min) Use the following diagram to answer the next 2 questions. 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) Use the following diagram and map to answer the next 2 questions. 3. Where on the map does oceanic-continental convergence occur? A. (A) B. (B) C. (C) D. (D) 4. Which of the following would be associated with this type of plate boundary? I II III volcanism deep earthquakes volcanic island arc A. I and II only B. I and III only C. II and III only D. I, II and III 4 of 8

5 5. Which of the following symbols indicates the presence of the subduction zone along the Pacific Coast of North America? A. II only B. I and II only C. II and III only D. I, II, III and IV 6. 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 Use the following diagram of the Pacific plate to answer the next question. The lines on the diagram show the location of volcanic islands and submerged volcanoes from three hot spots on the floor of the Pacific Ocean. 7. There is a change in direction in the line of submerged volcanoes which occurred 43 million years ago. Which of the following best explains the change? A. Pangaea broke apart. B. The Pacific plate changed direction. C. The Pacific plate developed a transform fault. D. A divergent plate boundary developed in the Pacific Plate 5 of 8

6 8. Which of the following were used as evidence to support Continental Drift Theory? I II III IV V mountain chains separated by oceans mirror-image seafloor magnetic reversal patterns glacial deposits in locations too warm to have glaciers fossils on adjacent continents representing species which could not cross oceans coals deposits in Antarctic regions too cold to support the necessary plant life 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 map of the Northern Mariana Islands in the Pacific Ocean to answer the next question. 9. Which of the following is correct? 6 of 8 I The islands owe their origin to a hot spot. II Deep earthquakes occur along the island chain. III The Mariana Islands are an example of a volcanic island arc. IV The islands owe their origin to the subduction of an ocean plate. A. I only B. III and IV only C. I, II and III only D. II, III and IV only

7 Use the following map to answer the question. 10. 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 11. Which of the following models correctly illustrates plate movement and mantle convection? A. B. C. D. 7 of 8

8 Use the following earthquake diagram to answer the next question. 12. What does X point to? A. a focus B. a rift valley C. an epicentre D. a surface wave 13. Which of the following correctly matches each plate boundary to a characteristic feature? Provincial exam practice question Answers Unit 3 - Earth Science 1. C 2. D 3. C 4. A 5. C 6. B 7. B 8. C 9. D Divergent Plate Boundary 10. B 11. A 12. A 13. C Convergent Plate Boundary A mid-ocean ridges rift valleys B continental mountain chains deep sea trenches C rift valleys continental mountain chains D volcanic island arcs mid-ocean ridges 8 of 8

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