1. To return to the chapter summary click Escape or close this document. Chapter Resources Click on one of the following icons to go to that resource. earth.msscience.com Image Bank Foldables Video Clips and Animations Standardized Test Practice Chapter Review Questions Chapter Summary

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3. To return to the chapter summary click Escape or close this document. Click on individual thumbnail images to view larger versions. Image Bank

4. To return to the chapter summary click Escape or close this document. Image Bank To transfer images to your own power point follow the following steps: Open the “Resource” file from the CD-ROM disc – view the file in the “normal view” or “slide sorter view” mode - go to slide #2 – from there you can click through the images and follow these instructions. Click once on the image. Copy the image Go to your own power point document Paste the image. Transfer Images

5. To return to the chapter summary click Escape or close this document. Image Bank Volcano Eruption

6. To return to the chapter summary click Escape or close this document. Image Bank Lava Flow

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9. To return to the chapter summary click Escape or close this document. Image Bank Location Map of Volcanoes

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12. To return to the chapter summary click Escape or close this document. Image Bank Illustration of Hawaii Formation

13. To return to the chapter summary click Escape or close this document. Image Bank Violent Eruption

14. To return to the chapter summary click Escape or close this document. Image Bank Pahoehoe Lava

15. To return to the chapter summary click Escape or close this document. Image Bank Cinder Cone Volcano

16. To return to the chapter summary click Escape or close this document. Image Bank Shield Volcano

17. To return to the chapter summary click Escape or close this document. Image Bank Paricutin

18. To return to the chapter summary click Escape or close this document. Image Bank Composite Volcano

19. To return to the chapter summary click Escape or close this document. Image Bank Mt. Rainier

20. To return to the chapter summary click Escape or close this document. Image Bank Chart of Thirteen Volcanic Eruptions

21. To return to the chapter summary click Escape or close this document. Image Bank The Volcano Anak Krakatau

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30. To return to the chapter summary click Escape or close this document. Foldables Volcanoes Make the following Foldable to compare and contrast the characteristics of explosive and quiet volcanic eruptions.

31. To return to the chapter summary click Escape or close this document. Foldables Fold one sheet of paper lengthwise.

32. To return to the chapter summary click Escape or close this document. Foldables Fold into thirds.

33. To return to the chapter summary click Escape or close this document. Foldables Unfold and draw overlapping ovals. Cut the top sheet along the folds.

34. To return to the chapter summary click Escape or close this document. Foldables Label the ovals Explosive Eruptions, Both, and Quiet Eruptions, as shown.

35. To return to the chapter summary click Escape or close this document. Foldables As you read the chapter, list the characteristics unique to explosive eruptions under the left tab, those unique to quiet eruptions under the right tab, and those characteristics common to both under the middle tab. Construct a Venn Diagram

36. To return to the chapter summary click Escape or close this document. Video Clips Click image to view movie

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38. To return to the chapter summary click Escape or close this document. 1 1 Volcanoes can be dangerous to people because they can cause deaths and destroy property. Volcanoes and Earth’s Moving Plates Rocks in the crust and mantle melt to form magma, which is forced toward Earth’s surface. When the magma flows through vents, it’s called lava and forms volcanoes. Reviewing Main Ideas

39. To return to the chapter summary click Escape or close this document. 1 1 Volcanoes can form over hot spots or when Earth’s plates pull apart or come together. Volcanoes and Earth’s Moving Plates Reviewing Main Ideas

40. To return to the chapter summary click Escape or close this document. 2 2 The three types of volcanoes are composite volcanoes, cinder cone volcanoes, and shield volcanoes. Types of Volcanoes Shield volcanoes produce quiet eruptions. Cinder cone and composite volcanoes can produce explosive eruptions. Reviewing Main Ideas Some lavas are thin and flow easily, producing quiet eruptions. Other lavas are thick and stiff, producing violent eruptions.

41. To return to the chapter summary click Escape or close this document. 3 3 Intrusive igneous rock bodies such as batholiths, dikes, and sills form when magma solidifies underground. Igneous Rock Features Batholiths are the most massive igneous rock bodies. Dikes and sills form when magma squeezes into cracks. Reviewing Main Ideas A caldera forms when the top of a volcano collapses, forming a large depression.

42. To return to the chapter summary click Escape or close this document. Chapter Review Question 1 Bits of rock or solidified lava dropped from the air are called __________. A. basalt B. composites C. silicas D. tephra

43. To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is D. Tephra varies in size from ash to large blocks.

44. To return to the chapter summary click Escape or close this document. Chapter Review Question 2 Which type of volcano is steep-sided and formed from tephra falling to the ground? A. basaltic B. cinder cone C. composite D. shield

45. To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is B. When tephra falls to the ground, it forms a cinder cone volcano.

46. To return to the chapter summary click Escape or close this document. Chapter Review Question 3 Which type of volcano is broad with gently sloping sides? A. cinder cone B. composite C. granitic D. shield

47. To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is D. Quiet eruptions of basaltic lava spread out in flat layers and form shield volcanoes.

48. To return to the chapter summary click Escape or close this document. Chapter Review Question 4 Which of these is the largest intrusive igneous rock body? A. batholith B. dike C. sill D. volcanic neck

49. To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is A. Batholiths are the largest of the intrusive igneous rock features.

50. To return to the chapter summary click Escape or close this document. Chapter Review Question 5 What was the primary cause of the loss of life when Krakatau erupted in 1883? A. ash B. temperature drop C. toxic gases D. tsunamis

51. To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is D. Most of the 36,000 people who died as a result of this eruption were killed by the giant tsunamis it created.

52. To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 1 What is the feature labeled “B”? A. caldera B. disk C. shield D. vent

53. To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is D. This is the opening through which magma flows during an eruption.

54. To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 2 What type of volcano is illustrated by the diagram? A. basaltic B. cinder cone C. composite D. shield

55. To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. Paricutin in Mexico is an example of a cinder cone volcano.

56. To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 3 What type of volcano does the diagram illustrate? A. cinder cone B. composite C. shield D. striated

57. To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. A composite volcano forms when eruptions alternate between quiet and violent.

58. To return to the chapter summary click Escape or close this document. Standardized Test Practice Use the table to determine which of the following volcanoes is a shield volcano. Question 4

59. To return to the chapter summary click Escape or close this document. Standardized Test Practice A. Mount Pelee, Martinique B. Mount Pinatubo, Philippines C. Surtsey, Iceland D. Tambora, Indonesia

60. To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. A shield volcano is formed from quiet eruptions of basaltic lava, which is relatively low in silica.

61. To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 5 What is the feature labeled “C” in this diagram? A. dike B. sill C. vein D. vent

62. To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is B. A sill is an intrusive igneous rock body that runs parallel to rock layers.

63. To return to the chapter summary click Escape or close this document. To advance to the next item or next page click on any of the following keys: mouse, space bar, enter, down or forward arrow. Click on this icon to return to the table of contents Click on this icon to return to the previous slide Click on this icon to move to the next slide Click on this icon to open the resources file. Help Click on this icon to go to the end of the presentation.

64. To return to the chapter summary click Escape or close this document. End of Chapter Resources File