Volcanoes Quiz

Flashcards by Pribmanee(Pipp) , updated more than 1 year ago
Created by Pribmanee(Pipp) about 5 years ago


Flashcards for Volcanoes Quiz

Resource summary

Question Answer
Volcano A weak spot in the crust where magma has come to the surface
Ring of Fire A belt of volcanoes around the rim of the Pacific Ocean
Divergent Boundaries A plate boundary where two plates move away from each other
Convergent Boundaries A plate boundary where two plates move toward each other
Hotspots An area where magma from deep within the mantle melts through the crust above it
Viscosity The resistance of a liquid flowing
Silica A material found in magma that is formed from the elements oxygen and silicon
Ash Cloud Forms when explosive eruptions hurls ash, cinders, bombs, and gases out of a volcano
Magma Chamber The pocket beneath a volcano where magma collects
Main Vent
Side Vent
Sill A slab of volcanic rock formed when magma squeezes between layers of rock
Ash Layers J
Craters A bowl-shaped area that forms around a volcano's central opening
Magma The molten mixture of rock-forming substances, gases, and water deep in Earth's mantle
Lava Liquid magma that reaches the surface; also the rock formed when liquid lava hardens
Pahoehoe A hot, fast-moving type of lava that hardens to form smooth, ropelike coils Low Viscosity
Aa A slow-moving type of lava that hardens to form rough chunks;cooler than pahoehoe High viscosity
Eruptions Bleh
Quiet Eruptions Kk
Explosive Eruptions Lol
Pyroclastic Flows The expulsion of ash, cinders, bombs, and gases during an explosive volcano
Shied Volcano A wide, gently sloping mountain made of layers of lava and formed by quiet
Cinder Cone Volcano
Composite Volcano A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
Lava Plateau Pop
Caldera The large hole at the top of a volcano formed when roof of a volcano's magma chamber
Ways to Monitor Volcanoes: Temperature :P
Ways to Monitor Volcanoes: Tilt Fk
Ways to Monitor Volcanoes: Meters Msmk
Ways to Monitor Volcanoes: Earthquakes
Ways to Monitor Volcanoes: Gases
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