WorksheetsVolcano Pretest
Total questions: 19
Worksheet time: 11mins
Name
Class
Date
1.
What are the three main types of volcanoes?
a)
extinct, active, dormant
b)
cinder cone,composite, shield
2.
What are scientists that study volcanoes called?
a)
doctor
b)
vet
c)
volcanologist
d)
volcano scientist
3.
Where is the the biggest volcano located?
a)
Asia
b)
Pluto
c)
Mars
d)
Hawaii
4.
A dead volcano is called what?
a)
active
b)
dormant
c)
extinct
5.
The car-sized material being shot out of a volcano are called what?
a)
ash
b)
cinder
c)
bomb
6.
What is the spread of lava as it pours out of a vent?
a)
magma chamber
b)
pipe
c)
lava flow
d)
crater
7.
The composition of magma determines its _____.
a)
viscosity
b)
darkness
c)
color
d)
none of the above
8.
A high silica volcano makes what type of an explosive?
a)
quiet eruption
b)
explosive eruption
9.
A low silica volcano makes what type of explosion
a)
quiet eruption
b)
explosive eruption
10.
A line of volcanic activity that surrounds the Pacific Ocean basin is the
a)
Ring of Fire
b)
Aleutian Islands
c)
Hawaiian Islands
d)
Caribbean Islands
11.
This volcano is most likely which type of volcano?
a)
Felsic
b)
Composite
c)
Shield
d)
Cinder cone
12.
As the temperature of lava increases, ________
a)
its viscosity decrease
b)
it begins to harden
c)
its viscosity increases
d)
it can flow a much short distance
13.
Once magma reaches the earth's surface it is called.....
a)
Silica
b)
Rock
c)
lava
14.
A place above a mantle plume where melted rock can form a volcano is a
a)
fissure
b)
mantle plume
c)
hotspot
d)
volcano
15.
An example of islands that formed over a hotspot are the
a)
Aleutian Islands
b)
Hawaiian Islands
16.
Stratovolcanoes can be described as...
a)
Very large with gentle slopes and eruptions of low viscosity magma
b)
Large with steep slopes and violent eruptions of very viscous magma
c)
Small and clustered in groups with steep slopes and firey eruptions that occur only once
17.
Cinder cones can be described as...
a)
Very large with gentle slopes and eruptions of low viscosity magma
b)
Large with steep slopes and violent eruptions of very viscous magma
c)
Small and clustered in groups with steep slopes and firey eruptions that occur only once
18.
In volcanic areas, groundwater heated by magma is a source of
a)
lava flows
b)
silicia
c)
geothermal energy
d)
pyroclastic flows
19.
Volcanoes can be found...
a)
on land
b)
under water
c)
on islands
d)
all of the above
100 %
