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WorksheetsVolcanoes
Total questions: 27
Worksheet time: 26mins
Name
Class
Date
1.
Energy from deep within the Earth is called ____ energy.
a)
solar
b)
wind
c)
biomass
d)
geothermal
2.
Which kind of volcano will probably never erupt again?
a)
a chamber volcano
b)
an extinct volcano
c)
an active volcano
d)
a dormant volcano
3.
TRUE OR FALSE: A substance that flows quickly has high viscosity...
a)
True
b)
False
4.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
5.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
6.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
7.
How would you describe the magma below a volcano this?
a)
Thick and full of trapped gases
b)
Thick with no trapped gases
c)
Thin and Runny with lots of trapped gases
d)
Thin and Runny with no trapped gases
8.
The difference between magma and lava is _____
a)
where it is found (above or below the surface)
b)
how hot the molten rock is (lava is hotter than magma)
c)
the type of boundary where it forms
d)
the viscosity of the molten rock (lava has a lower viscosity)
9.
Volcanoes are made at _____ plate boundaries and at hot spots
a)
Convergent
b)
Divergent
c)
Transform
d)
Convergent & Divergent
10.
What is / are sign(s) that a volcano may erupt soon?
a)
Earthquake activity in the area
b)
Changes in the shape of the volcano
c)
Different amounts of gas being produced
d)
All of these are signs
11.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
12.
What do you call a large crater formed by the collapse of a volcano?
a)
Caldera
b)
Lava Plateau
c)
Composite Volcano
d)
Shield Volcano
13.
What stage is a volcano in when it is considered to be "sleeping"?
a)
Dormant
b)
Active
c)
Extinct
d)
Alive
14.
Hotspots are found ___.
a)
at divergent boundaries
b)
at convergent boundaries
c)
at transform boundaries
d)
in the middle of a plate
15.
Which type of volcano has recently erupted or will soon erupt?
a)
Active
b)
Dormant
c)
Extinct
16.
The hot ash, gas and rock that races down the side of a volcano is known as ___
a)
Tephra
b)
Pyroclastic flow
c)
Lava Dome
d)
Lava Plateau
17.
The volcanoes on the Hawaiian Islands form from to which of the following?
a)
Divergent Boundary
b)
Hot Spot
c)
Subduction Boundary
d)
Transform Boundary
18.
What type of volcano is small with steep sides and is made of lava fragments that have been ejected?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)
Shield Volcano
19.
Tall, cone-shaped mountains in which layers of lava alternate with layers of ash
a)
Cinder Cone volcano
b)
Shield volcano
c)
Composite volcano
d)
Caldera
20.
The main hazard from a quiet volcanic eruption is
a)
pyroclastic flow
b)
lava flows
c)
volcanic cinders
d)
volcanic ash
21.
Wide gentle sloping mountain from lava pouring out of the vent and hardens on top of previous layers
a)
Caldera
b)
Cinder cone volcano
c)
Composite volcano
d)
Shield volcano
22.
Liquid magma flows upward through cracks in rock because it is
a)
high in viscosity
b)
less dense than the surrounding solid material
c)
a liquid
d)
more dense than the surrounding solid material
23.
The long tube in the ground that connects the magma chamber to Earth's surface is called the
a)
vent
b)
side vent
c)
pipe
d)
crater
24.
What provides the force that causes magma to erupt to the surface?
a)
the silica in the magma
b)
dissolved gases trapped in the magma
c)
gravity in the lithosphere
d)
the density of the magma
25.
As the temperature of lava increases, ________
a)
its viscosity decreases
b)
it begins to harden
c)
its viscosity increases
d)
it can flow a much shorter distance
26.
Which of the following factors helps determine whether a volcanic eruption will be violent or relatively quiet?
a)
amount of dissolved gases
b)
temperature of the magma
c)
amount of silica in the magma
d)
all of the above
27.
What type of boundary is associated with the Ring of Fire?
a)
Convergent
b)
Divergent
c)
Transform
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