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WorksheetsVolcano Quiz 1
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is a volcano?
a)
Same as an Earthquake
b)
When only lava comes out
c)
Same as a fault in earth's crust
d)
A weak spot in Earth's crust
2.
Where are most volcanoes located
a)
Sliding Boundaries
b)
Spreading Boundaries
c)
Colliding Boundaries
d)
Both Spreading and Colliding Boundaries
3.
What is a "hot spot"?
a)
a place where volcanoes cool down.
b)
a place where magma rises to the surface.
c)
a place where people like to visit.
d)
a place where volcanoes form.
4.
Which comes first, lava or magma?
a)
They come at the same time.
b)
Lava comes first.
c)
They come when they are ready.
d)
Magma comes first.
5.
What is the main ingredient in magma?
a)
rock
b)
silica (glass)
c)
obsidian
d)
lava
6.
A "pyroclastic flow" is . . . .
a)
A large volcanic eruption.
b)
When magma is hurled out of a volcano.
c)
Has both "cinders" and "bombs".
d)
All the above.
7.
What causes a volcano to erupt?
a)
magma rising
b)
lava shooting out
c)
expanding gases
d)
spreading boundaries
8.
A "dormant volcano" will . . . .
a)
may erupt in the future
b)
will never erupt again
c)
is the same as a "active" volcano
d)
will erupt very soon
9.
From where does magma immediately exit a volcano?
a)
magma chamber
b)
side vent
c)
pipe
d)
main vent
10.
What properties of magma determine the type of eruption?
a)
a) silica content
b)
b) lava is thick and runny
c)
c) a only
d)
d) both
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