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Chapter Resources. Click on one of the following icons to go to that resource. earth.msscience.com. Image Bank. Foldables. Video Clips and Animations. Chapter Summary. Chapter Review Questions. Standardized Test Practice. earth.msscience.com. Image Bank. - PowerPoint PPT Presentation
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Chapter ResourcesChapter Resources
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earth.msscience.com
Image Bank
Foldables
Video Clips and Animations
Standardized Test Practice
Chapter Review Questions
Chapter Summary
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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
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Transfer Images
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Volcano Eruption
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Lava Flow
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Pyroclastic Flow
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Volcanic Ash Damage
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Location Map of Volcanoes
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Activity Occurring Diagram
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Formation of Volcano
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Illustration of Hawaii
Formation
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Violent Eruption
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Pahoehoe Lava
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Cinder Cone Volcano
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Shield Volcano
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Paricutin
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Composite Volcano
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Mt. Rainier
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Chart of Thirteen Volcanic Eruptions
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The Volcano Anak Krakatau
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Features of Volcanic Activity
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Yosemite National Park
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Igneous Features
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Volcanic Eruption
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Question Image
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Question Image
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Question Image
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FoldablesFoldables
Volcanoes
Make the following Foldable to compare and contrast the characteristics of explosive and quiet volcanic eruptions.
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FoldablesFoldables
Fold one sheet of paper lengthwise.
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FoldablesFoldables
Fold into thirds.
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FoldablesFoldables
Unfold and draw overlapping ovals. Cut the top sheet along the folds.
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FoldablesFoldables
Label the ovals Explosive Eruptions, Both, and Quiet Eruptions, as shown.
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FoldablesFoldables
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
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Video ClipsVideo Clips
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11
• 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 IdeasReviewing Main Ideas
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11
• Volcanoes can form over hot spots or when Earth’s plates pull apart or come together.
Volcanoes and Earth’s Moving Plates
Reviewing Main IdeasReviewing Main Ideas
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22
• 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 IdeasReviewing Main Ideas
• Some lavas are thin and flow easily, producing quiet eruptions. Other lavas are thick and stiff, producing violent eruptions.
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33
• 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 IdeasReviewing Main Ideas
• A caldera forms when the top of a volcano collapses, forming a large depression.
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Chapter ReviewChapter Review
Question 1
Bits of rock or solidified lava dropped from the air are called __________.
A. basaltB. compositesC. silicasD. tephra
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Chapter ReviewChapter Review
Answer
The answer is D. Tephra varies in size from ash to large blocks.
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Chapter ReviewChapter Review
Question 2
Which type of volcano is steep-sided and formed from tephra falling to the ground?
A. basalticB. cinder coneC. compositeD. shield
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Chapter ReviewChapter Review
Answer
The answer is B. When tephra falls to the ground, it forms a cinder cone volcano.
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Chapter ReviewChapter Review
Question 3
Which type of volcano is broad with gently sloping sides?
A. cinder coneB. compositeC. graniticD. shield
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Chapter ReviewChapter Review
Answer
The answer is D. Quiet eruptions of basaltic lava spread out in flat layers and form shield volcanoes.
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Chapter ReviewChapter Review
Question 4
Which of these is the largest intrusive igneous rock body?
A. batholithB. dikeC. sillD. volcanic neck
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Chapter ReviewChapter Review
Answer
The answer is A. Batholiths are the largest of the intrusive igneous rock features.
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Chapter ReviewChapter Review
Question 5
What was the primary cause of the loss of life when Krakatau erupted in 1883?
A. ashB. temperature dropC. toxic gasesD. tsunamis
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Chapter ReviewChapter 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.
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Standardized Test PracticeStandardized Test Practice
Question 1
What is the feature labeled “B”?
A. calderaB. diskC. shieldD. vent
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is D. This is the opening through which magma flows during an eruption.
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Standardized Test PracticeStandardized Test Practice
Question 2
What type of volcano is illustrated by the diagram?
A. basalticB. cinder coneC. compositeD. shield
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is B. Paricutin in Mexico is an example of a cinder cone volcano.
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Standardized Test PracticeStandardized Test Practice
Question 3
What type of volcano does the diagram illustrate?
A. cinder coneB. compositeC. shieldD. striated
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is B. A composite volcano forms when eruptions alternate between quiet and violent.
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Standardized Test PracticeStandardized Test Practice
Use the table to determine which of the following volcanoes is a shield volcano.
Question 4
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Standardized Test PracticeStandardized Test Practice
A. Mount Pelee, MartiniqueB. Mount Pinatubo, PhilippinesC. Surtsey, IcelandD. Tambora, Indonesia
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is C. A shield volcano is formed from quiet eruptions of basaltic lava, which is relatively low in silica.
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Standardized Test PracticeStandardized Test Practice
Question 5
What is the feature labeled “C” in this diagram?
A. dikeB. sillC. veinD. vent
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Standardized Test PracticeStandardized Test Practice
Answer
The answer is B. A sill is an intrusive igneous rock body that runs parallel to rock layers.
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