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6th.Science ch,3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show cinder cone volcanoes, shield volcanoes, and composite volcanoes  
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show shield volcanoes  
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show crater  
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a ___ __ ____ is formed by eruptions composed mostly of tephra, or small fragments of solidified lava (section 3.3)eruptions of volcanic solids build up ____-______ mountains   show
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show composite volcanoes  
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if a underground magma chamber of a volcano is close to the surface,the empty chamber may "cave in" after the eruption is over, causing the round to sink and forming a huge, bowl shaped depression at the surface. Such depression is called______   show
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__________may later filled with rainwater to form large lakes   show
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show Mount Mazama  
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an ____ volcano is one that has erupted recently or is considered likely to erupt in the near future   show
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1 famous active volcano   show
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Mount St. Helens in the state of Washington has been considered an active volcano since_ _ _ _   show
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show dormant volcano  
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volcanoes that have not been erupted in recorded history are likely to never erupt again, is called _____ volcanoes   show
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three common types of eruptions are ___ ___, _____ _____, and ______ ________   show
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show Hawaiian eruption  
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show lava fountain  
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if the lava erupts from a long crack or fissure instead, it may produce a sheetlike fountain of glowing lava called a ___ ___   show
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a Strombolian eruption is are a very active volcano in Italy called ______ ________   show
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show "Lighthouse of the Mediterranean"  
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show 20 minutes  
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show noisy  
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show cone and Strombolian eruption  
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show Plinian eruptions  
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show Plinian eruption  
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show violent  
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show 500  
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show 1883  
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show 2,900  
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the explosion of Krakatoa(kra ku tou) had _______ produced by this eruption killed 36,000 people in the surrounding island   show
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show gaint waves  
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Relatively small, cone-shaped volcanoes formed mostly of tephra and quickly eroded   show
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frequent eruptions that are noisy but mild;   show
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show composite volcanoes  
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holes or cracks that seve as escape vents for underground gasses   show
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melted rock is what ____   show
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molten rock that has reached the earth's surface is called _____   show
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Created by: nelsonclan