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Volcano Jeopardy
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Eruptions Magma Stuff that comes out of a volcano
Types of Volcanoes
Causes
Final Jeopardy
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©Norman Herr, 2003
QuestionAnswer
Eruptions-100
• QUESTION : What are the two types of eruptions?
• ANSWER : Quiet and explosive
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Eruptions-200
• QUESTION: What comes from a quiet volcano?
• ANSWER: Lava flow made of aa and pahoehoe
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Eruptions-300
• QUESTION: Is this a picture of an explosive or quiet volcano?
• ANSWER: quiet
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Eruptions -400
• QUESTION: Describe an explosive eruption.
• ANSWER: magma builds up in the pipe because it cannot flow, gas bubbles release violently and as the gas releases it carries the magma to the vents and pyroclastic flow is the result .
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Eruptions-500
• QUESTION: Describe the differences between explosive and quiet eruptions.
• ANSWER: explosive has material that shoots into the air, quiet has lava flows.
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• QUESTION: What determines the type of eruption that would occur?
• ANSWER: Gas content, temperature and silica content in the magma
Magma-100
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Magma-200
• QUESTION: What is the molten mixture of rock forming substances, gases and water deep in the Earth’s mantle?
• ANSWER: Magma
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Magma-300
• QUESTION: What happens when there are large amounts of silica in the magma?
• ANSWER: More likely to be explosive the magma is thick and gooey.
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Magma-400
• QUESTION: What does runny lava mean for a volcano?
• ANSWER: Gases can escape which makes it less likely to be explosive.
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Magma-500
• QUESTION: Why does silica cause explosive volcanoes?
• ANSWER: It can cause the magma to clog the vents, increasing pressure.
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Stuff-100
• QUESTION: What comes from a quiet volcano?
• ANSWER: Lava called pahoehoe and aa
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Stuff-200
• QUESTION: What forms when magma forms in a volcano’s pipe and is later exposed?
• ANSWER: volcanic neck
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Stuff-300
• QUESTION: Layers of thin runny lava that flow over a wide area before they cool and harden can build up a ___?
• ANSWER: lava plateau
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Stuff-400
• QUESTION: What comes out of an explosive volcano?
• ANSWER: Pyroclastic material.
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Types-100
• QUESTION: What are the three types of volcano?
• ANSWER: Shield, cinder cone and composite
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Types-200
• QUESTION: Which type of volcano forms from moderately explosive eruptions?
• ANSWER: Cinder cone.
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Types-300
• QUESTION: The largest mountain in the solar system is this type of volcano.
• ANSWER: Shield volcano
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Types-400
• QUESTION: What type of eruption produces a composite volcano?
• ANSWER: Both explosive and quiet.
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Types-500
• QUESTION: What is the difference between craters and calderas?
• ANSWER: A crater is the top most vent and is funnel-shaped. The caldera is what occurs when the magma chamber completely empties.
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Causes-100
• QUESTION: Where do many volcanoes exist?
• ANSWER: Along plate boundaries like the Ring of Fire.
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Causes-200
• QUESTION: How do you change rock into magma?
• ANSWER: Increase temperature or decrease pressure
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Causes-300
• QUESTION: What happens when tectonic plates separate at the mid ocean ridge?
• ANSWER: The magma rises through the opening or rift and causes sea floor spreading.
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Causes-400• QUESTION: Where does the oceanic
plate turn into magma underneath a continental plate?
• ANSWER: At the subduction zone.