WorksheetsTypes and parts of a volcano.
Total questions: 40
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
A low silica volcano makes what type of explosion
a)
quiet eruption
b)
explosive eruption
c)
deadly
d)
quick
2.
A high silica volcano makes what type of an explosive?
a)
quiet eruption
b)
explosive eruption
c)
deadly
d)
quick
3.
A huge hole left behind when a volcano collapses is a __________.
a)
caldera
b)
conduit
c)
crater
d)
vent
4.
Lava begins as
a)
water
b)
crust
c)
magma
d)
pumice
5.
At what type(s) of plate boundaries do MOST volcanoes form?
a)
transform
b)
convergent
c)
divergent
d)
ocean and mountain
6.
What is another name for tephra?
a)
lava
b)
magma
c)
pyroclistac stuff
d)
pyroclastic material
7.
What do you call a circular depression that forms when a magma chamber empties?
a)
stuff
b)
apples
c)
caldera
d)
pahoehoe
8.
What so you call lava flowing slowly forming a glassy surface with rounded wrinkles?
a)
pahoehoe lava
b)
aa lava
c)
crater lava
9.
What is the opening at the top of a volcano called?
a)
side vent
b)
central vent
c)
vent
d)
crater
10.
What is a dent or depression called on a volcano?
a)
side vent
b)
bump
c)
dent
d)
crater
11.
A low silica volcano makes what type of explosion
a)
quiet eruption
b)
explosive eruption
12.
What is the spread of lava as it pours out of a vent?
a)
magma chamber
b)
pipe
c)
lava flow
d)
crater
13.
A dead volcano is called what?
a)
active
b)
dormant
c)
extinct
14.
A sleeping volcano is called what?
a)
active
b)
dormant
c)
extinct
15.
What type of volcano is built almost entirely from ejected lava fragments?
a)
cinder cone
b)
composite cone
c)
shield volcano
d)
pahoehoe volcano
16.
What are fast moving clouds of gas, ash, and rock bombs that are products from an explosive eruption?
a)
ash fall
b)
effusive debris
c)
magma
d)
pyroclastic flows
17.
What famous volcano exploded in 1980 in Washington state?
a)
Kilaauea
b)
Krakatoa
c)
Mt. Ranier
d)
Mt. St. Helens
18.
A shield volcano is the tallest and most explosive volcano.
a)
True
b)
False
19.
What is a hot spot?
a)
An area in the interior of a plate where hot magma escapes Earth's crust.
b)
An area where you can get wireless internet.
c)
A place on your skin that burns.
d)
A popular place to hang out.
20.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
21.
What type of volcano is this..
a)
Shield
b)
Cinder Cone
c)
Composite or Stratovolcano
22.
Which volcano is a wide, gently sloping mountain formed by thin layers or lava that pour out of a vent and harden on top of previous layers?
a)
cinder cone
b)
composite or stratovolcano
c)
shield
d)
dome mountain
23.
A dense mud flow that results when snow and ice melts during an eruption and combines with volcanic ash and debris is a(n)
a)
Pyroclastic flow
b)
Slumping
c)
Lahar
d)
Dirt Current
24.
This city was destroyed in 79 A.D. by the eruption of Mt. Vesuvius.
a)
Rome
b)
Munich
c)
Pompeii
d)
Naples
25.
The Hawaiian Islands are made up of mostly ____ volcanoes.
a)
shield
b)
composite
c)
cinder cone
d)
magma
26.
What are the three main types of volcanoes?
a)
extinct, active, dormant
b)
cinder cone,composite, shield
27.
What type of volcano is Mt. St. Helens?
a)
shield
b)
composite
c)
cinder cone
d)
active
28.
shield volcanos have quiet lava flows followed by violent eruptions
a)
true
b)
false
29.
Fast moving lava is called?
a)
Pahoehoe
b)
aa
c)
ash
d)
magma
30.
Cool and slow lava is called?
a)
Aa
b)
Pahoehoe
c)
magma
d)
ash
31.
What are the string of islands formed by volcanoes along deep ocean trenches called?
a)
Ring of fire
b)
caldera
c)
geysers
d)
island arc
32.
The Hawaiian Islands were created by....
a)
Hot spots
b)
Island arc
c)
Geysers
d)
convergent plate boundaries
33.
Groundwater that is heated up by magma forms a...
a)
volcano
b)
hot spring
c)
hot spot
d)
geyser
34.
What is number 1 pointing to?
a)
Lava flow
b)
Pipe
c)
Crater
d)
Vent
35.
What is number 2 pointing to?
a)
Pipe
b)
Side Vent
c)
Vent
d)
Magma Chamber
36.
What is number 3 pointing to?
a)
Lava Flow
b)
Magma Chamber
c)
Pipe
d)
Crater
37.
What is number 4 pointing to?
a)
Magma Chamber
b)
Vent
c)
Pipe
d)
Crater
38.
What is number 5 pointing to?
a)
Side vent
b)
Magma Chamber
c)
Pipe
d)
Vent
39.
what lava is this
a)
pahoehoe
b)
ah ah
c)
blocky
d)
pillow
40.
what lava is this
a)
pahoehoe
b)
ah ah
c)
blocky
d)
pillow
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