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WorksheetsVolcanoes
Total questions: 19
Worksheet time: 7mins
Name
Class
Date
1.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
2.
Why does magma tend to rise to the surface?
a)
It has large amounts of silica.
b)
It contains very little silica.
c)
It is denser than the surrounding material.
d)
It is less dense than the surrounding material.
3.
What is the principal ingredient to all types of magma?
a)
Iron
b)
Magnesium
c)
Silica
d)
Water
4.
What are solid rock fragments that are ejected during a volcanic eruption?
a)
Lahar
b)
Magma
c)
Pyroclastic Material
d)
Silica
5.
What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)
Shield Volcano
6.
What type of volcano is made of lava fragments that have been ejected from a volcanic vent?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)
Shield Volcano
7.
What type of volcano is Kilauea, which is located in Hawaii?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)
Shield Volcano
8.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
9.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
10.
What is the definition of dormant?
a)
sleeping
b)
extinct
c)
active
d)
invisible
11.
Volcanoes are found...
a)
on land
b)
under water
c)
on islands
d)
all of the above
12.
This city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.
a)
Rome
b)
Munich
c)
Pompeii
d)
Naples
13.
Where is Mt. St Helens located?
a)
New Jersey
b)
Nebraska
c)
Washington state
d)
I didn't learn this so I give up
14.
A volcano that has steep sides and is formed from lava chunks is called
a)
a shield volcano
b)
a cinder cone volcano
c)
a composite volcano
15.
A volcano that is made from layers of both runny lava and lava chunks is called
a)
a shield volcano
b)
a cinder cone volcano
c)
a composite volcano
16.
What type of volcano is Mt. St. Helens?
a)
shield
b)
composite
c)
cinder cone
d)
active
17.
Volcanoes that are NOT found at plate boundaries occur in the middle of plates in areas called ___________.
a)
hot spots
b)
mid-ocean ridges
c)
fissure volcanoes
d)
shield volcanoes
18.
Most volcanoes occur at which 2 types of plate boundaries?
a)
convergent w/ subduction and divergent
b)
divergent and transform
c)
divergent and hot spots
d)
convergent w/ subduction and hot spots
19.
Beneath a volcano, magma collects in a:
a)
magma chamber
b)
magma pocket
c)
vent
d)
hole
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