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Back Lesson Print Name Class Date Assessment Section Quiz Section: How Mountains Form MATCHING In the space provided, write the letter of the definition that best matches the term or phrase. ______ 1. folded mountain ______ 2. grabens ______ 3. dome mountain ______ 4. fault block mountain ______ 5. volcanic mountain a. mountain formed when faults break Earth’s crust into blocks that tilt and drop b. valley formed when faults break Earth’s crust into blocks that tilt and drop c. mountain formed when magma pushes rock layers up d. mountain formed when magma erupts onto Earth’s surface e. mountain formed when rock is squeezed and uplifted MULTIPLE CHOICE In the space provided, write the letter of the answer choice that best completes each statement or best answers each question. ______ 6. Folded mountains form a. when a state of isostasy occurs. b. when continents collide. c. when continents diverge. d. after huge earthquakes. ______ 7. When the oceanic and continental lithospheres collide, a. the oceanic plate subducts. b. the continental plate subducts. c. their momentum stops each other. d. they reach isostasy. ______ 8. What happens when two oceanic plates collide? a. The denser plate fractures. c. The less dense plate subducts. b. The less dense plate fractures. d. The denser plate subducts. ______ 9. What type of mountain is formed when higher blocks fault? a. a folded mountain c. a fault-block mountain b. a salt-block mountain d. a flawed-block mountain ______ 10. What happens when two continental plates collide? a. Large mountains can form. b. Dome mountains are likely to form. c. The plates subduct beneath each other. d. The impact can cause huge earthquakes. Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Earth Science 28 Deformation of the Crust Print Lesson ANSWER KEY Section Quizzes 44. along convergent plate boundaries 45. the Cascade Range of Washington, 46. 47. 48. 49. 50. 51. SECTION: HOW ROCK DEFORMS Oregon, and northern California They are part of mid-ocean ridges along divergent plate boundaries. Magma rising to Earth’s surface at divergent boundaries makes midocean ridges volcanically active. when the peaks of volcanic mountains rise above sea level; the Azores in the North Atlantic on the ocean floor at hot spots Hot spots are volcanically active areas that lie far from tectonic plate boundaries. Hot material rises through Earth’s interior and reaches the lithosphere. the Hawaiian Islands 1. 2. 3. 4. 5. 1. 2. 3. 4. 5. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 2,100 2. 1/2x 11; 2 1/2x 2 11; x 22. OR x 2(11); x 22 3. 145x 725; 145x 145 725 145; x5 4. 1/3x 9; 3 1/3x 3 9; x 27. OR x 3(9); x 27 x4 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. Graphing Skills Mt. Elbrus Antarctica approximately 6,900 or 7,000 m approximately 5,900 or 6,000 m North American Mountain Elevations (feet) 25,000 20,000 15,000 10,000 5,000 Black Dome Mountain Mt. Washington Bear Mountain 0 Mt. Rainier C C C B D E B C A D 6. 7. 8. 9. 10. B A D C A D H G A I B C J F E 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. A C B D B C A D A C Chapter Test B 5. 145x 580; 145x 145 580 145; Mt. McKinley 6. 7. 8. 9. 10. Chapter Test A 1. 2x 4,200; 2x 2 4,200 2; x 1. 2. 3. 4. 5. C B D E A SECTION: HOW MOUNTAINS FORM Math Skills Elevation Back Peaks C E D A B C A D A C A B D A B C plateaus convergent rises monocline syncline Answers may vary. Sample answer: One way that a dome mountain forms Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Earth Science 52 Deformation of the Crust