Prentice Hall Science Explorer, Earth Science - Volcanoes
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show | Ring of Fire
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show | volcano
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a molten mixture of rock-forming substances, gases, and water vapor from the mantle | show 🗑
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show | lava
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a string of islands formed by, and echoing, volcanoes along a deep ocean trench | show 🗑
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an area where magma from deep within the mantle melts through the crust like a blow torch | show 🗑
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show | hot spot
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show | magma chamber
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a narrow, almost vertical crack in the crust through which magma rises to the surface | show 🗑
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the river of lava that pours down a volcano and over the land | show 🗑
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show | crater
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show | silica
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show | Pahoehoe
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Lava produced by a quiet eruption which is cooler and slower-moving and when hardens, forms a rough srface consisting of jagged lava chunks | show 🗑
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show | silica
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show | silica
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occurs when an explosive eruption hurls out ash, cinders, and bombs as well as gases. | show 🗑
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Two types of volcanic eruptions | show 🗑
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show | caldera
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clean, reliable energy produced by water heated by magma in volcanic areas | show 🗑
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show | a volcano that is erupting or has shown signs of erupting in the near future
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extinct volcano | show 🗑
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forms when groundwater heated by a nearby body of magma rises to the surface and collects in a natural pool | show 🗑
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a wide, gently sloping vocanic mountain formed when thin layers of lava pour out of a vent and harden on top of previous layers gradually building the mountain | show 🗑
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Tall, cone shaped volcanic mountains forms by alternating lava flows and explosive eruptions of ash cinder and bombs in which layers of lava alternate with layers of ash. Examples are Mount Fuji in Japan and Mount St. Helens in Washington state | show 🗑
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show | along diverging plate boundaries
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show | mid-ocean ridge, or in subduction zones around the edges of oceans
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show | far from the boundaries of continental or oceanic plates
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show | Pele's hair
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What types of lava are produced by quiet eruptions? | show 🗑
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show | dormant
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Both quiet and explosive volcanic eruptions can produce damage far from the craters rim? True or False? | show 🗑
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show | batholith
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Like Earth, VEnus has volcanic mountains and other features that are probably made of thick lava T or F | show 🗑
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The space probe Magellan observed vaolcanoes on Venus but no recent or ongoing eruptions, T or F | show 🗑
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show | False - there are large shield volcanos, cone-shaped volcanoes and lava flows as on earth.
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show | shield volcanoe's
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show | True
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