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Physical Geography Lab: Plate Tectonics Name ______________________________ Reference Pages in Text: Chapter 13, 376 – 383. Fig. 13.24-30 Reference Pages in Atlas: 12-13, 54 - 55 Use a world physical map and map of the ocean bottom to answer the following questions. 1. Which is the largest plate? 2. Which plate is mainly underlain by oceanic crust? 3. In what direction are each of the following plates moving? a. North American b. Indian (Indo-Australian) c. Nazca 4. What will be the major change in the geography of the Atlantic Ocean over the next 20 MY (million years)? 5. Find the Red Sea. Notice the plate boundary. Why do some Earth scientists call the Red Sea a “proto” ocean? 6. Name the major submarine (underwater) feature along diverging plates, and give an example of one. 7. What TWO landform features always occur along subduction plate boundaries? a. b. 8. Describe THREE tectonic processes that create mountains: a. b. c. 9. What do you think would happen if plate tectonic movement were to stop? There are three plates the effect the geography of the northwest United States. Use the diagram below to identify the following plate tectonic and landform features of the Pacific Northwest. A, B, and C refer to the plates. #1-7 are the features created by the movement of the plates. _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ Pacific Plate North American Plate Juan de Fuca Plate (Gorda Plate) Sea floor spreading Subduction Accreation Olympic Mountains and Coast Ranges Puget Sound Lowland and Willamette Valley Juan de Fuca Ridge (Gorda Ridge) Cascades Match the plate boundary type or intraplate hot spot with the geographic features listed below. A. B. C. D. E. plate divergence subduction (plate convergence) collision (Plate convergence) Lateral movement Intra plate “hot spot” _____1. Sand Andreas Fault _____9. Japan _____2. Aluetians _____10. Hawaii _____3. Andes _____11. Martinique _____4. Alps _____12. Yellowstone National Park _____5. East African rift valleys _____13. New Guinea _____6. Iceland _____14. Dead Sea and Jordan Valley _____7. Cascades _____15. Philippines _____8. Himalayas
