WorksheetsChapter 18: Volcanoes
Total questions: 27
Worksheet time: 15mins
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.
The volcanoes on the Hawaiian Islands form due to which of the following?
a)
Divergent Boundary
b)
Hot Spot
c)
Subduction Boundary
d)
Transform Boundary
3.
What is the principal ingredient to all types of magma?
a)
Iron
b)
Magnesium
c)
Silica
d)
Water
4.
What type of lava cools quickly and forms rock with jagged edges?
a)
Aa
b)
Magma
c)
Pahoehoe
d)
Pillow Lava
5.
What type of lava cools slowly and forms rock with smooth, ropelike features?
a)
Aa
b)
Magma
c)
Pahoehoe
d)
Pillow Lava
6.
As magma rises towards the surface it collects in a 'room' called a _____ _____ .
a)
magma chamber
b)
side vent
c)
main vent
d)
lava chamber
7.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
8.
Volcanoes are common along
a)
convergent plate boundaries.
b)
divergent plate boundaries.
c)
transform plate boundaries.
d)
two of the above
9.
This volcano is most likely which type of volcano?
a)
Felsic
b)
Composite
c)
Shield
d)
Cinder cone
10.
Types of plutons include....
a)
Shields, Cones, and Composites
b)
Vents, Craters, and Calderas
c)
Dust, Ash, and Blocks
d)
Batholiths, Stocks, Sills, Dikes and Laccoliths
11.
Which one of these does NOT affect the temperature at which magma forms?
a)
Pressure
b)
Composition of material
c)
Water
d)
Viscosity
12.
What is letter A in the picture?
a)
Vent
b)
Crater
c)
Conduit
d)
Tephra
13.
What is letter B in the picture?
a)
Magma Chamber
b)
Crater
c)
Vent
d)
Conduit
14.
What is letter C in the picture?
a)
Vent
b)
Crater
c)
Caldera
d)
Tephra
15.
What is letter D in the picture?
a)
Crater
b)
Vent
c)
Conduit
d)
Tephra
16.
What is the largest type of pluton?
a)
Batholith
b)
Sill
c)
Laccolith
d)
Block
17.
What is a table like pluton parallel to the rock it intrudes?
a)
Sill
b)
Batholith
18.
What is the resistance of a liquid, such as lava, to flow?
a)
Elasticity
b)
Pyroclasticity
c)
Silica
d)
Viscosity
19.
What are solid rock fragments that are ejected during a volcanic eruption? (ash, cinders, bombs)
a)
Lahar
b)
Magma
c)
Pyroclastic Material
d)
Silica
20.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
21.
Where do volcanoes come from?
a)
Places where plates diverge
b)
Places where plates converge
c)
Hot Spots
d)
All of these options
22.
What are scientists that study volcanoes called?
a)
doctor
b)
vet
c)
volcanologist
d)
volcano scientist
23.
A volcano that has gentle sloping sides and is formed from runny lava
a)
Shield volcano
b)
Cinder cone
c)
Composite
d)
None of these
24.
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
25.
The formation of the Hawaiian Islands is one example of
a)
volcanoes forming over a hot spot
b)
volcanoes forming along a plate boundary
c)
the Ring of Fire
d)
continental drift
26.
If geologists detect many small earthquakes in the area near a volcano, what can they infer about the volcano?
a)
It is dormant
b)
It is probably about to erupt
c)
It is extinct
d)
It is a good source of geothermal energy
27.
This part of a volcano's anatomy can travel miles and miles into the sky and can deposit material far from the volcano
a)
Pyroclastic flow
b)
Ash cloud
c)
Vent
d)
Volcanic hoopla
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