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WorksheetsVolcanoes
Total questions: 16
Worksheet time: 25mins
Name
Class
Date
1.
This type of volcano is formed in layers. This nonexplosive eruption produces very runny lava.
a)
Composite Volcano
b)
Shield Volcano
c)
Stratovolcano
d)
Cinder Cone Volcano
2.
This type of volcano has a medium eruption and erupts with a pyroclastic material. They are usually small.
a)
Composite Volcano
b)
Shield Volcano
c)
Cinder Cone Volcano
d)
Stratovolcano
3.
This type of volcano has the largest eruption. It is the most common volcano. It is has an explosive eruption of pyrocalstic materials and lava.
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
d)
Convection Volcano
4.
Type of lava that occurs when an underwater eruption occurs.
a)
Pahoehoe
b)
Pillow
c)
Aa
d)
Blocky
5.
Type of lava that is sharp and creates a brittle crust
a)
Pahoehoe
b)
Aa
c)
Blocky
d)
Pillow
6.
Type of lava that does not travel very far from its source. It is very ridged.
a)
Pahoehoe
b)
Aa
c)
Blocky
d)
Pillow
7.
Type of lava that is very slow moving. Moves like dripping wax.
a)
Pahoehoe
b)
Blocky
c)
Aa
d)
Pillow
8.
Molten rock inside the Earth's crust
a)
lithosphere
b)
magma
c)
lava
d)
ring of fire
9.
Molten rock outside the Earth's crust
a)
lava
b)
Magma
c)
Lithosphere
d)
Ash cloud
10.
A volcano that hasn't erupted in a long time.
a)
Dead
b)
hot spots
c)
Ring of fire
d)
Dormant
11.
A destructive mass of very hot ash, lava fragments, and gases ejected from a volcano
a)
Ring of fire
b)
Pyroclastic flow
c)
Hot spots
d)
Ash cloud
12.
Where two plates converge, one sinks below the other. Most land volcanoes occur near here.
a)
boundary line
b)
fault
c)
Convection current
d)
Subduction zone
13.
The Earth's crust is divided into ___ major plates
a)
12
b)
22
c)
24
d)
10
14.
Convergent means to
a)
pull apart
b)
come together
c)
slide past
15.
Divergent means to
a)
Pull apart
b)
Come together
c)
Slide past
16.
Transform means to
a)
Pull apart
b)
Come together
c)
Slide past
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