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WorksheetsVolcanoes
Total questions: 13
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.
Volcanoes that have recently erupted are known as:
a)
Extinct Volcano
b)
Dormant Volcano
c)
Active Volcano
d)
What's a volcano?
3.
__________ volcanoes are usually steep sided. They are formed from layers of ash and lava.
a)
Shield
b)
Cone
c)
Dormant
d)
Extinct
4.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
5.
Shield volcanoes have:
a)
gently sloping sides
b)
a steep cone shape
c)
moderately sized sides
d)
long cracks along plate boundaries
6.
Explosive eruption that hurls ash, gases, cinders, and bombs from the main vent.
a)
Volcano bomb
b)
Geyser
c)
Geothermal energy
d)
Pyroclastic flow
7.
When a volcano erupts, empties the magma chamber, and collapses the top leaving a huge hole.
a)
Dike
b)
Caldera
c)
Silica
d)
Geyser
8.
Inside a volcano, magma collects in a pocket called a:
a)
caldera
b)
pipe
c)
magma chamber
d)
vent
9.
An opening through which the lava flows is called:
a)
crater
b)
caldera
c)
vent
d)
pipe
10.
Rocks that solidify inside the earths crust are extrusive rocks
a)
True
b)
False
11.
A violent explosion that blows out the top of a volcano produces a
a)
vent
b)
crater
c)
caldera
12.
A stationary magma plume produces a hot spot on the earths surface
a)
True
b)
False
13.
A subduction zone is created along a constructive plate boundary
a)
True
b)
False
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