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True or FalseThe volcano shown with its long, gentle slopes would best be described as a shield volcano.X
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True or FalseMagma erupts through an opening in Earths crust called a vent.X
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True or FalseVolcanoes associated with convergent plate boundaries form the Circum-Pacific and the Mediterranean Belts.X
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True or FalseComposite volcanoes are made of basaltic lava.X
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True or FalseCinder-cone volcanoes have steep sides and are generally the smallest volcanoes.X
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True or FalseTemperature and pressure decrease with depth beneath Earths surface.X
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True or FalseA pluton is an intrusive metamorphic rock body formed from magma.X
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True or FalseThe hotter the magma or lava, the greater is its viscosity.X
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True or FalseLava that has low viscosity moves slower than lava with high viscosityX
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True or FalseAll volcanoes form at plate boundaries.X
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Internal resistance to flow is a.Silicab.Tephrac.pyroclasticd.viscosityX
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Depression that forms when the top or side of a volcano collapses into the magma chamber is aa.Calderab.Plutonc.Tephrad.Pyroclastic materialX
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Opening in Earths crust through which lava eruptsa.Calderab.Craterc.Plutond.VentX
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Types of plutons include ____.a.shields, cinder-cones, and compositesb.vents, craters, and calderasc.dust, ash, lapilli, volcanic blocks, and volcanic bombsd.batholiths, stocks, sills, dikes, and laccolithsX
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Using the diagram to the right, which letter represents the crater associated with the volcano?a.Ab.Bc.Cd.DX
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Using the diagram to the right, which letter represents the magma chamber associated with the volcano?a.Ab.Bc.Cd.DX
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Bowl-shaped depression around a vent at the top of a volcano is a a.Calderab.Craterc.Plutond.VentX
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According to the diagram, which Hawaiian Island is the oldest?a.Loihib.Hawaiic.Kauaid.MolokaiX
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Broad, gently sloping sidesa.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Made of layers of tephra and lavaa.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Steep-sideda.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Largest of the volcanoesa.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Forms from layers of basaltic lavaa.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Forms as tephra ejected high into the air fall back to Earth and pile around the venta.shield volcanob.cinder-cone volcanoc.composite volcanoX
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Forms in the upper mantlea.basaltic magmab.andesitic magmac.rhyolitic magmaX
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Magma with the lowest viscositya.basaltic magmab.andesitic magmac.rhyolitic magmaX
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Most explosive form of magmaa.basaltic magmab.andesitic magmac.rhyolitic magmaX
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Which type of magma is in #1?
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What is the viscosity of basaltic magma, low, medium or high?
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What is the viscosity of andesitic magma, low, medium or high?
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What is the viscosity of rhyolitic magma, low, medium or high?
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How is convergent volcanism different from divergent volcanism?X
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Contrast the three major types of volcanoes.X
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Final JeopardyWhy does lava containing large amounts of dissolved gases generally produce a more violent explosion than lava that contains small amounts of dissolved gases?