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Chapter 3 section 1 Test

Enter the letter for the matching Definition
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1.
caldera
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2.
dormant
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3.
geyser
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4.
Pipe
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5.
batholith
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6.
Vent
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7.
extinct
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8.
Aa
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9.
Hot spot
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10.
lava flow
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11.
shield volcano
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12.
crater
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13.
volcanic neck
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14.
Lava
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15.
Volcano
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16.
Pahoehoe
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17.
hot spring
A.
The opening through which molten rock and gas leave a volcano.
B.
A wide, gently sloping mountain made of layers of lava and formed by quiet eruptions.
C.
A long tube through which magma moves from the chamber to Earth's surface.
D.
A bowl-shaped area that forms around a volcano's central opening.
E.
The area covered by lava as it pours out of a volcano's vent.
F.
A mass of rock formed when a large body of magma cooled inside the crust.
G.
A volcano that does not show signs of erupting in the near future sleeping.
H.
A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe.
I.
Liquid magma that reaches the surface;also the rock formed when liquid lava hardens.
J.
A pool formed by groundwater that has risen to the surface after being heated by a nearby body of magma.
K.
A weak spot in the Earth's crust where magma has come to the surface
L.
The large hole at the top of a volcano formed when the roof of a volcano's magma chamber collapses.
M.
A hot, fast-moving type of lava that hardens to form smooth, rope like coils.
N.
A deposit of hardened magma in a volcano's pipe.
O.
An area where magma from deep within the mantle melts through the crust above it.
P.
A volcano that will not erupt again.
Q.
A fountain of water and steam that builds up pressure underground and erupts at regular intervals.
Type the Term that corresponds to the displayed Definition.
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18.
The molten mixture of rock-forming substances, gases, and water from the mantle.
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19.
A steep, cone-shaped hill or mountain made of volcanic ash, Cinders, and bombs piled up around a volcano's opening.
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20.
A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic material.
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21.
Energy from water or steam that has been heated by magma.
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22.
A major belt of volcanoes that rims the Pacific Ocean.
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23.
The pocket beneath a volcano where magma collects.
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24.
A material that is formed from the elements oxygen and silicon; silica is found in magma.
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25.
The expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruption.
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26.
A string of islands formed by the volcanoes along a deep ocean trench.
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27.
A volcano that is erupting or has shown signs of erupting in the near future.

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