Unit 6 Vocabulary Section 1 Question Preview (ID: 21687)
Unit 6 Vocabulary Section 1.
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A weak spot in the crust where molten material, or magma, comes to the surface
a) lava
b) volcano
c) magma
d) hot spot
A string of islands formed by the volcanoes along a deep-ocean trench
a) island arc
b) hot spot
c) ring of fire
d) volcano
The pocket beneath a volcano where magma collects
a) viscosity
b) lava flow
c) vent
d) magma chamber
a sleeping volcano that can awaken in the future and become active
a) vent
b) dormant
c) extinct
d) lava flow
A dead volcano that can awaken in the future and become active
a) vent
b) dormant
c) extinct
d) lava flow
The resistance of a liquid to flow
a) vent
b) lava flow
c) silica
d) viscosity
heat from Earth's interior
a) geyser
b) geothermal activity
c) sill
d) caldera
The large hold at the top of the volcano formed when the roof of a volcano's magma chamber collapses
a) caldera
b) volcanic neck
c) geyser
d) sill
a molten mixture of rock-forming substances, gases, and water from the mantle
a) Lava Flow
b) Lava
c) Magma
d) Vent
a major volcanic belt that formed by the volcanoes that rim the Pacific Ocean
a) Hot spot
b) Ring of Fire
c) Island Arc
d) volcano
Magma that has reached the surface
a) magma
b) lava
c) water
d) molten
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