Chapter #22 Solutions - Physical Science with Modern Applications - Melvin Merken - 5th Edition

 

1. How is information concerning the earth’s interior obtained? Get solution

2. What is the evidence for the fluidity of the earth’s outer core and for the solidity of the inner core? Get solution

3. Discuss the structure of the earth’s interior? Get solution

4. What is the Mohorovičić discontinuity? How was it discovered? Get solution

5. Identify the major zones of the earth from the surface to the center. Get solution

6. If a planet had no sedimentary or metamorphic rocks, what could you say about its geological history? Get solution

7. Distinguish between rocks and minerals. Get solution

8. Describe the major classifications of rock. Get solution

9. Why are the rocks found on the ocean floors relatively young? Get solution

10. How do impacts by comets and asteroids influence the earth’s geology? Get solution

11. How do geophysicists determine the location of the top of the mantle? Get solution

12. What is the most obvious difference between the inner core and the outer core? Get solution

13. Which is denser, the mantle or the core? Get solution

14. What is the evidence for the structure and composition of the mantle? Get solution

15. Describe the world distribution of volcanic activity and earthquake epicenters. Get solution

16. Explain the relationship between magma and lava. Get solution

17. Discuss the varieties of volcanic eruptions and their relations to the shapes of volcanoes. Get solution

18. What types of volcanoes are especially dangerous? Get solution

19. Why does magma tend to rise to the surface? Get solution

20. What is the status of the science of predicting a major eruption of a volcano? Get solution

21. How might the Himalayan Mountains have originated, according to plate tectonic theory? Get solution

22. Discuss some evidence in support of the concept of continental drift. Get solution

23. How is sea-floor spreading related to plate tectonics? Get solution

24. Why is the ocean floor youthful in relation to tire age of the earth? Get solution

25. What evidence exists for the idea that the earth’s magnetic field has reversed at intervals over the ages? Get solution

26. In what way is the comparison of continents to floating icebergs valid? Get solution

27. Discuss the kinematics of three types of plate boundaries. Get solution

28. What evidence has been found to support Wegener’s theory of continental drift? Get solution

29. What causes an earthquake? Get solution

30. How are regions of active volcanoes related to earthquake belts? Get solution

31. Explain the geologist’s description of an earthquake in terms of its intensity and magnitude. Get solution

32. Discuss the major lands of earthquake waves. Get solution

33. How great are the chances of a destructive earthquake east of the Rockies? Get solution

34. Why is the rate of weathering greater in a humid than in an arid climate? Get solution

35. Why is none of the original crust of the earth now visible? Get solution

36. How does physical weathering encourage chemical weathering in rock? Get solution

37. What types of rocks best resist all types of weathering? Get solution

38. Why have the forces of weathering and erosion not worn the continents down to low-lying plains? Get solution

39. Multiple ChoiceA. The oldest rock on the earth’s surface is(a) sedimentary.(b) igneous.(c) tectonic.(d) metamorphic.B. An instrument that measures earthquake activity is a(a) polarimeter.(b) refractometer.(c) seismograph.(d) micrometer.C. The theory that continents float on layers of mantle rock is called(a) sea-floor spreading.(b) plate tectonics.(c) mass wasting.(d) volcanism.D. The Mid-oceanic Ridge is(a) a region where tectonic plates are colliding.(b) bordered by young igneous rocks.(c) bordered by old sedimentary rocks.(d) a region where earthquakes are common.E. An agent of significant erosion is(a) oxidation of minerals in air.(b) falling snow.(c) wave action.(d) radioactive decay. Get solution