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GFHS Volcanoes
Study for Earthquakes and Volcanoes
16
Geography
10th Grade
01/09/2018

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Cards

Term
volcano
Definition
A vent or fissure in the Earth's surface in which magma and gasses are expelled
Term
magma
Definition
Molten rock under the earth's surface
Term
lava
Definition
melted rock at the earth's surface
Term
magma chamber
Definition
pool of liquid rock inside the volcano
Term
vent
Definition
A vent at the opening of the earth in which through volcanic material passes
Term
volcanic ash
Definition
Dust-sized particles of lava that come from an eruption
Term
pyroclastic flow
Definition
Enormous amounts of hot ash, dust, and gases are ejected from a volcano
Term
shield volcano
Definition
Built of layers of lava from quiet, non-explosive eruptions
Term
cinder cone volcano
Definition
Made of pyroclastic material from moderately explosive eruptions
Term
composite volcano
Definition
Layers of lava alternating with pyroclastic material such as ash
Term
crater
Definition
Funnel-shaped vent near top central vent of volcano
Term
[image]
Definition
Composite volcano
Term
[image]
Definition
Cinder cone volcano
Term
[image]
Definition
Shield Volcano
Term
Hotspot
Definition
location where heat causes an area of liquid magma that creates volcanoes NOT on a plate boundary. Created Hawaii.
Term
[image]
Definition
Movement over a hotspot. Youngest on the hotspot. Oldest farthest away.
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