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Inside Earth Unit Test (Test: February 26, 2019)

Terms in this set (60)

Cinder Cone Volcano
Smallest volcano, steep sides, radial symmetry, made of ash, cinders, and bombs; easily eroded
Composite Volcano
A volcano made of alternating layers of lava and pyroclastic material (ash)
Pyroclastic Material (bomb)
The volcanic rock ejected during an eruption, including ash, bombs, and blocks
Shield Volcano
A low, flat, gently sloping volcano built from many flows of fluid, low-viscosity basaltic lava
Lava Plateau
A landform that results from repeated non-explosive eruptions of lava that spread over a large area
Caldera
A large crater caused by the violent explosion of a volcano that collapses into a depression
Magma Chamber
The body of molten rock (magma) that feeds a volcano that lies beneath the crust
Lava Flow
The molten rock that is sliding down the side of the volcano
Magma
Molten rock beneath the Earth's surface
Viscosity
A liquid's resistance to flow
Ash Plume
Cloud of ash that comes out of the crater of a volcano
Dike
Veins of magma that attempt to reach the surface, but remain underground; they "break away" from the main vent of the volcano
Hot Spot
An area where magma from deep within the mantle melts through the crust above it and can cause a volcano
Island Chain
A formation of islands aligned above a volcanic hot spot (Example - Hawaii)
Lava Fountain
The magma that exits the vent and is now lava
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