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ES Volcanoes Practice

Total questions: 78

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
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
2.
What types of landscapes are featured near or with volcanoes?
a)
Uplifts, Erosion, and Weathering
b)
Hot Spots and Flood Basalts
c)
Vents, Craters, and Calderas
d)
Batholiths, Stocks and Sills
3.
What is letter B in the picture?
a)
Magma Chamber
b)
Crater
c)
Vent
d)
Conduit
4.
What is letter C in the picture?
a)
Vent
b)
Crater
c)
Caldera
d)
Tephra
5.
What is letter F in the picture?
a)
Pyroclastic Flow
b)
Crater
c)
Vent
d)
Tephra
6.
What is the largest type of pluton?
a)
Batholith
b)
Sill
c)
Laccolith
d)
Block
7.
Where can you find a rift or divergent area of volcanism?
a)
Mid-Atlantic Ridge
b)
Pacific Ocean
8.
What is the most explosive type of magma?
a)
Rhyolitic Magma
b)
Andesitic Magma
c)
Basaltic Magma
9.
Which type of magma has the lowest gas content?
a)
Basaltic Magma
b)
Andesitic Magma
c)
Rhyolitic Magma
10.

A bowl shaped area that may form at the top of a volcano around the central vent

a)

crater

b)

vent

c)

tube

d)

leftovers

11.

Where are volcanoes most likely to form?

a)

along plate boundaries

b)

near the center of continents

c)

near water

d)

on the moon

12.

Lava that is very thin and runny probably

a)

has low silica content

b)

is high in silica

13.
A subduction zone is...
a)
plates pull apart.
b)
the continental plate slides under the oceanic plate.
c)
where the oceanic plate slides under the continental plate.
d)
plates slap each other a high five.
14.
__________ volcanoes are formed from fast flowing, lava which flows easily over the surface, forming larger volcanoes with gentle sides.
a)
Cone
b)
Composite
c)
Angel
d)
Shield
15.
Volcanoes that have recently erupted are known as:
a)
Extinct Volcano
b)
Dormant Volcano
c)
Active Volcano
d)
What's a volcano?
16.
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
17.
What factor(s) determine(s) whether an eruption will be explosive?
a)
The amount of gases in the magma
b)
The amount of silica in the magma
c)
The amount of gas and silica in the magma
d)
None of these affect the explosiveness of the volcano
18.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
19.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
20.

Which theory helped scientists understand how and where volcanoes erupt?

a)

Theory of Plate Tectonics

b)

Theory or Relativity

c)

Theory of the Rock Cycle

d)

Big Bang Theory

21.

Which type of volcano is built by alternating layers of lava flows and ash flows? It can

be very explosive.

a)

Cinder Cone

b)

Composite

c)

Lava Dome

d)

Shield

22.

The Hawaiian Ridge is

a)

a hotspot

b)

made from a convergent boundary

c)

made from a divergent boundary

d)

at a subduction zone

23.

Which is the most common type of volcano?

a)

Supervolcanoes

b)

Composite volcanoes

c)

Cinder volcanoes

d)

Shield volcanoes

24.

Mauna Kea, the largest mountain on Earth which type of volcano?

a)

Composite

b)

Shield

c)

Cinder

d)

Caldera

25.

This forms when a volcano collapses into its magma chamber during an explosive eruption.

a)

Fissure

b)

Shield volcano

c)

Cinder cone

d)

Caldera

26.

The largest supervolcano in North America is

a)

Mount St. Helens

b)

Yellowstone caldera

c)

Mauna Kae

d)

Mount Ranier

27.

A steep, cone-shaped hill or small mountain made of volcanic ash, cinders, and bombs piled up around a volcano's opening. There are dissolved gasses in magma chamber, causing an explosive eruption.

a)

Cinder Cone

b)

Composite Volcano

c)

Shield Volcano

d)

Lava Dome

28.

A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials. This type of volcano typically has explosive eruptions.

a)

Cinder Cone

b)

Composite Volcano

c)

Shield Volcano

d)

Lava Dome

29.

This is a liquid's resistance to flow.

a)

pyroclastic flow

b)

viscosity

c)

composition

d)

dissolved gases

30.

A dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively from a volcano and typically flowing downslope at great speed.

a)

cinder cone

b)

ash cloud

c)

pyroclastic flow

d)

acid rain

31.

A volcanic eruption with fluid, low viscosity lava. Typical of Shield Volcanoes

a)

Explosive eruption

b)

Non-violent, gentle eruption

32.
When a volcano erupts, empties the magma chamber, and collapses the top leaving a huge hole.
a)
Dike
b)
Caldera
c)
Silica
d)
Geyser
33.
A chain of volcanic islands formed where two oceanic plates collide is called:
a)
island arc
b)
hot spot
c)
Hawaii
d)
geyser
34.
Magma rises because it is...
a)
more dense than surrounding rock
b)
less dense than surrounding rock
35.
Mafic (dark-colored) magma has a...
a)
high silica content
b)
low silica content
36.
This common type of volcano is made up of alternating layers of ash and lava.
a)
Shield volcano
b)
Composite / Stratovolcano
c)
Cinder cone
d)
Fissure volcano
37.

About 75% of volcanoes are located along ___________?

a)

Mid-Ocean Ridges

b)

Pacific Ring of Fire

c)

Hotspots

d)

None of the above

38.
When two plates are moving away from each other they are called (often forming rifts or valleys)?
a)
Divergent Plates
b)
Convergent Plates
c)
Transform Boundaries
d)
Mountain ranges
39.
The rock shown is Granite.  We can tell that it is an ______________ igneous rock that cooled slowly underground because it has large, visible crystals.
a)
extrusive
b)
intrusive
40.
The rock shown is DIORITE. We can tell that it is an ______________ igneous rock that cooled slowly underground because it has large, visible crystals.
a)
extrusive
b)
intrusive
41.
The rock shown is basalt.  We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it has tiny crystals and a fairly uniform texture
a)
extrusive
b)
intrusive
42.
The rock shown is andesite.  We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it looks relatively smooth with only tiny crystals.
a)
extrusive
b)
intrusive
43.
The rock shown is rhyollite.  We can tell that it is an ______________ igneous rock that quickly on the surface of the ground because it looks relatively smooth with only tiny crystals.
a)
extrusive
b)
intrusive
44.

When magma solidifies inside earth's crust, but can eventually become exposed to weathering?

a)

extrusive volcanism

b)

intrusive volcanism

c)

plutonic volcanism

d)

none of the above

45.

In the diagram, identify the structure labeled 2.

a)

Sill

b)

Batholith

c)

Laccolith

d)

Stock

46.

Identify the type of tectonic plate boundary that uses the help of water to form plutons?

a)

Divergent

b)

transform

c)

oceanic convergent

d)

continental convergent

47.

Identify the type of pluton that has the coarsest crystal texture?

a)

batholith

b)

dike

c)

sill

d)

lava flow

48.

Compared to other plutons, which pluton forms relatively close to the surface?

a)

batholith

b)

laccolith

c)

sill

d)

stock

49.

In the diagram, identify the structure labeled 1.

a)

Sill

b)

Batholith

c)

Laccolith

d)

Stock

50.
Very explosive volcanoes tend to have
a)
Low viscosity magma
b)
Gases rich in sulfur dioxide
c)
gentle, sloping sides
d)
High viscosity magma
51.
The composition of magma determines its _____.
a)
viscosity
b)
darkness
c)
color
d)
none of the above
52.

The Andes of South America formed as a result of the Nazca plate subducting beneath the South American plate. This is an example of ________ collision.

a)

oceanic plate-continental plate

b)

oceanic plate-oceanic plate

c)

continental-plate-continental plate

d)

terrane-craton

53.

The "Ring of Fire" is a volcanic island arc extending from the southwestern Pacific through Indonesia. The island arc formed as a result of ________ collision.

a)

oceanic plate-continental plate

b)

oceanic plate-oceanic plate

c)

continental-plate-continental plate

d)

terrane-craton

54.

The Himalayas formed as a result of the ongoing collision of the Indian and Eurasian plates. This is an example of ________ collision.

a)

oceanic plate-continental plate

b)

oceanic plate-oceanic plate

c)

continental-plate-continental plate

d)

terrane-craton

55.

An earthquake is best described as

a)

the point within the Earth where seismic waves originate.

b)

the sharp release of energy in the Earth's crust that creates seismic waves.

c)

the amount of stress rocks along plate boundaries experience.

d)

an effusive explosion of magma.

56.

The process whereby ground shaking disrupts and loosens the structure of the soil causing it flow is known as

a)

creep.

b)

solifluction.

c)

slump.

d)

liquefaction.

57.

Within the United States, which area has the highest earthquake hazards?

a)

West Coast

b)

East Cost

c)

Gulf coast

58.

An active volcano is defined as one that

a)

has erupted at least once within the past decade.

b)

has erupted at least once within the past century.

c)

has erupted at least once within recorded history.

d)

has erupted at least once within the past 50 years.

59.
A large irregular shaped intrusive body is a
a)
Plutons
b)
Fissures
c)
Pragmites
d)
Craters
60.
Sheet like intrusions that cut across previous rock units are:
a)
dike
b)
sill
c)
pluton
d)
batholith
61.

What is the following feature seen at letter A?

a)

Sill

b)

Batholith

c)

Stock

d)

Laccolith

62.

What igneous intrusion is labeled "E"

a)

Sill

b)

Dike

c)

Lacolith

d)

Batholith

63.

This forms when magma hardens in a volcano's pipe and the surrounding rock later wears away.

a)

a dike

b)

a sill

c)

a lava plateau

d)

volcanic neck

64.

#4 is a...

a)

batholith

b)

laccolith

c)

dike

d)

sill

65.

What is "E"?

a)

A fault

b)

A dike

c)

An unconformity

d)

A pluton

66.

Which event is the YOUNGEST?

a)

A

b)

C

c)

D

d)

E

67.

Which event is the OLDEST?

a)

A

b)

C

c)

D

d)

E

68.
What type of lava cools quickly and forms rock with jagged edges?
a)
Aa
b)
Magma
c)
Pahoehoe
d)
Pillow Lava
69.
What type of lava cools slowly and forms rock with smooth, ropelike features?
a)
Aa
b)
Magma
c)
Pahoehoe
d)
Pillow Lava
70.

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

71.

Which type of volcano is Mount Fuji in Japan?

a)

Shield

b)

Cinder cone

c)

Composite/stratovolcano

72.

A large volcanic eruption that emits high gas/ash into the atmosphere can have what type of effect on the Earth's climate?

a)

It can warm the climate

b)

It can cool the climate

c)

The climate stays the same

73.

What is the main difference between a volcanic crater and caldera?

a)

Size

b)

Shape

c)

How they formed

d)

They are the same

74.

What type of volcanic landform is Crater Lake in Oregon?

a)

A crater

b)

A caldera

c)

A neck/pipe

d)

A lava plateau

75.

Where is Crater Lake located?

a)

Ohio

b)

Colorado

c)

Oregon

d)

Washington

76.

What volcano turned into Crater Lake

a)

Mt. Etna

b)

Mt. St. Helens

c)

Mt. Fuji

d)

Mt. Mazama

77.

Which type of volcano is Mount St. Helen's in Washington state?

a)

Shield

b)

Cinder cone

c)

Composite/stratovolcano

78.

Hawaii only contains which type of volcanoes?

a)

Shield

b)

Cinder cone

c)

Composite/stratovolcano

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