Section #: 18.3
Volcanoes
Practice Test
1.
Where do most volcanoes form?
SC.D.1.4.2
a.
in the southern hemisphere
b.
far from plate boundaries
c.
at plate boundaries
d.
along the Mid-Atlantic Ridge
Hint
2.
Rock fragments thrown into the air during a volcanic eruption are called __________.
SC.D.1.4.2
a.
lava
b.
granite
c.
extrusive
d.
tephra
Hint
3.
How is a volcanic crater connected to a magma chamber?
SC.D.1.4.2
a.
by a sill
b.
by a hot spot
c.
by tephra
d.
by a vent
Hint
4.
What two things does the appearance of a volcano depend on?
SC.D.1.4.2
a.
type of eruption and latitude
b.
type of eruption and temperature of the lava
c.
type of material and eruption
d.
type of material and viscosity
Hint
5.
What is the name of a large volcanic crater over 1 km in diameter?
SC.D.1.4.2
a.
a stock
b.
a caldera
c.
a vent
d.
a batholith
Hint
6.
How was the volcano cone shown in the figure formed?
SC.D.1.4.2
a.
layer upon layer of basaltic lava accumulating during nonexplosive eruptions
b.
uplifting of mountains before exploding into a volcano
c.
material is ejected into the air and falls back to earth
d.
a mixture of lava and volcanic fragments
Hint
7.
Volcanoes that form far from plate boundaries form as the result of __________.
SC.D.1.4.2
a.
hot spots
b.
volcanic bombs
c.
divergent plate boundaries
d.
cinder cones
Hint
8.
What type of volcano forms from alternating layers of tephra and nonexplosive lava?
SC.D.1.4.2
a.
caldera
b.
composite volcano
c.
cinder cone
d.
shield volcano
Hint
