Volcano - a vent in the Earth’s crust through which molten rock flows., Volcanologists - scientists who study volcanoes., Convergent Boundary: - the boundary between two plates that move toward each other., Divergent Boundary - the boundary between two plates that move away from each other., Ring of Fire - an area of earthquake and volcano activity that surrounds the Pacific Ocean, Alpide Belt ( or Alpine - Himalayan Belt) - major seismic belt or zone where earthquakes and mountains are found stretching across Europe and Asia., Hot Spots - Volcano that are not associated with plate boundaries., Mudflows - the thermal energy that a volcano produces during an eruption that has a mixture of snow, ice, mud and ash. Also called lahars., Lava Flows - slow moving rivers of red molten rock., Volcanic Gases - dissolved gases in magma include water vapor and small amounts of carbon dioxide and sulfur dioxide., Pyroclastic Flows - fast-moving avalanches of hot gas, ash, and rock from explosive volcanoes, Deformation - As magma rises toward the Earth’s surface, the ground might tilt, sink, or bulge from pressure., Mitigate - to make less severe, serious, or painful.,

Volcanoes

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