Earth Science Chapter 18 Volcanism Question Preview (ID: 21625)


Chapter 18 Test Review! TEACHERS: click here for quick copy question ID numbers.

Which term describes the bowl shape at the top of a volcano?
a) caldera
b) batholith
c) sill
d) crater

The slower a lava flows the _____ its viscosity.
a) higher
b) lower
c) faster
d) slower

An intrusive rock body is called a _____.
a) crater
b) pluton
c) vent
d) viscosity

Which of the following are types of pyroclastic material (tephra)?
a) shields, cinder-cones, and composites
b) vents, craters, and calderas
c) dust, ash, lapilli, volcanic blocks, and volcanic bombs
d) batholiths, stocks, sills, sikes, and laccoliths

Which of the following are types of volcanoes?
a) shields, cinder-cones, and composites
b) vents, craters, and calderas
c) dust, ash, lapilli, volcanic blocks, and volcanic bombs
d) batholiths, stocks, sills, sikes, and laccoliths

Which of the following would best describe the eruption of Mt. St. Helens?
a) an oceanic eruption
b) a quiet eruption
c) an explosive eruption
d) a hot spot eruption

What could cause volcanic activity far from a plate boundary?
a) hot spot
b) rift valley
c) Mid-ocean ridge
d) mantle plume

Which type of volcano has broad, gently sloping sides?
a) cinder-cone volcano
b) composite volcano
c) stratovolcano
d) shield volcano

Which of the following are types of igneous intrusions (plutons)?
a) shields, cinder-cones, and composites
b) vents, craters, and calderas
c) dust, ash, lapilli, volcanic blocks, and volcanic bombs
d) batholiths, stocks, sills, sikes, and laccoliths

What is another term for composite volcano?
a) cinder cone
b) stratovolcano
c) shield volcano
d) crater

Which of the folloing does not affect the temperature at which magma forms?
a) mineral composition
b) pressure
c) viscosity
d) water

When the top of a volcano collapses a ________ forms.
a) crater
b) vent
c) caldera
d) pluton

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