All About Volcano Crossword Puzzle

QUESTIONS LIST:

• viscosity: ability or resistance to flow
• vent: an opening where magma, ash, and gases exit
• crater: a depression at the top of a volcano where the main vent is located
• effusive: a gentle eruption where lava flows steadily
• explosive: a type of eruption produced by high-viscosity magma
• phreatic: a steam-driven eruption caused by water and hot rocks
• strombolian: a type of eruption with lava fountains
• plinian: extremely powerful eruptions with tall ash columns (10–45 km high)
• volcanian: sudden, strong eruptions with ash columns up to 20 km high
• basaltic: a type of magma with low viscosity
• andesitic: a type of magma with medium viscosity
• rhyolitic: a type of magma with high viscosity
• silica: a mineral in magma that controls how thick (viscous) it is
• composite: a tall, cone-shaped volcano made of layers of lava and ash
• shield: a wide, gently sloping volcano formed by flowing lava
• cinder cone: a small, steep volcano made of ash and cinders
• magma: molten rock beneath the earth
• lava: molten rock on the surface of the earth
• strato volcano: another name for a composite volcano
• hot spot: a place where hot mantle rises and forms volcanoes
• continental: the thick, less-dense part of the earth’s crust that forms the continents
• oceanic: the thin, dense part of the earth’s crust found under the oceans