PARTS OF A VOLCANO Volcanoes were named for the Roman god of fire, Vulcan.
CRATER • the cup-shaped TOP part of a volcano through which magma and other volcanic materials flow.
GAS, ASH, AND CINDERS • What is left after a volcano erupts?
CONE • the side of a volcano formed by volcanic materials
LAVA • hot, molten rock on the earth’s surface • MOLTEN - melted by heat
SILL • horizontal crack within a volcano which holds hardened magma
MAGMA CHAMBER • a place in the mantle (under the earth’s crust) that stores magma
MAGMA • hot, molten rock forced up the central vent and eventually through the crater
DIKE • thick vertical crack within a volcano which holds hardened magma
CONDUIT • path from magma chamber to crater • also known as central vent
SIDE VENT • vent on the side of a volcano for escaping steam, gas, and lava