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Volcanic Features: WBS

Total questions: 62

Worksheet time: 33mins

Name
Class
Date
1.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
2.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
3.
What type of volcano is this?
a)
Composite Volcano
b)
Cinder Cone Volcano
c)
Shield Volcano
4.
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
5.
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
6.

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

7.

This wide, gently sloping mountain forms as lava pours out of the vent and hardens on top of previous layers.

a)

Caldera

b)

Cinder cone volcano

c)

Composite volcano

d)

Shield volcano

8.

Repeated floods of molten material can form high, level plateaus called...

a)

prairie plateaus

b)

magma plateaus

c)

lava plateaus

d)

dome plateaus

9.

Magma that forces itself across rock layers and hardens is called a _________.

a)

volcanic neck

b)

sill

c)

dike

d)

batholith

10.

Magma that squeezes between horizontal rock layers and hardens is called a ______.

a)

volcanic neck

b)

dike

c)

sill

d)

lava plateau

11.

From which of these does a batholith form?

a)

a small body of magma

b)

a large body of magma

c)

a small body of lava

d)

a large body of lava

12.

Magma becomes lava when it reaches a volcano's ______.

a)

Vent

b)

Crater

c)

Chamber

d)

Mantle

13.

In a volcano, magma collects in a packet called ________.

a)

Magma flow

b)

Magma chamber

c)

Magma pipe

d)

Hot spot

14.

A string of volcanic islands called __________ can be formed along a trench.

a)

A boundary plate

b)

An island arc

c)

A hot spot

d)

An old denser plate

15.

Lava that forms creases and loops when it hardens is called _________.

a)

A'a

b)

Pahoehoe

c)

Silica

d)

Lahar

16.

A ______ is a duct connecting the magma chamber and the outside of the volcano.

a)

Vent

b)

Crater

c)

Lava flow

d)

Volcanic cone

17.

Is the process by which an ocean floor sinks beneath an ocean trench and into the mantle.

a)

Subduction

b)

Hot spot

c)

Caldera

d)

Volcanism

18.

Refers to the movement of lava as it flows out from the vent.

a)

Lava flow

b)

Magma flow

c)

Pahoehoe

d)

A'a

19.

An opening on the Earth's crust through which hot molten rock flows out from deep inside the Earth.

a)

Volcano

b)

Fault line

c)

Fold

d)

Crater

20.

Comprises the many volcanoes that rim the Pacific Ocean

a)

Ring of Fire

b)

Mid-Atlantic Ridge

c)

Eurasian-Melanesian Mountain Belt

d)

Pacific Rim

21.

Are long, underwater mountain ranges that sometimes have rift valleys down their centers.

a)

Ridges

b)

Oceanic Plate

c)

Trench

d)

Subduction Zone

22.

A volcano that had its last eruption more than 10,000 years ago.

a)

Extinct Volcano

b)

Sleeping Volcano

c)

Active Volcano

d)

Quiet Volcano

23.

Is a substance formed by the chemical combination of oxygen and silicon atoms.

a)

Silica

b)

Silica Oxide

c)

Silica Acid

d)

Magma

24.

Where can you find the convection (magma) currents?

a)

inner core

b)

outer core

c)

asthenosphere

d)

solid upper mantle

25.

The material of shield volcanoes is ...

a)

basalt

b)

andesite

c)

dolomit

d)

limestone

26.

Which term is it? The main tube or pathway for the magma to reach the surface.

a)

crater

b)

caldera

c)

magma chamber

d)

conduit or main vent

27.

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

28.

Shield volcanoes have lava with a high silica content.

a)

True

b)

False, low silica content

c)

False, silica content doesn't change the way volcanoes form

29.

Mount Saint Helens in Washington State is an example of a

a)

shield volcano

b)

cinder cone

c)

composite volcano

d)

batholith

30.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

31.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

32.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

33.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

34.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

35.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

36.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

37.

What type of lava is this?

a)

'A'a

b)

Pahoehoe

38.
Thick lava moves _________________ and is likely to 
a)
quickly, trap people
b)
slowly, trap people
c)
slowly, cause explosions
d)
quickly, cause explosions
39.

What type of volcano is this?

a)

Fissure

b)

Shield

c)

Dome

d)

Stratovolcano/ Composite

40.

What type of volcano is this?

a)

Fissure

b)

Shield

c)

Dome

d)

Stratovolcano/ Composite

41.

What type of volcano is this?

a)

Fissure

b)

Ash Cinder

c)

Dome

d)

Stratovolcano/ Composite

42.

What type of volcano is this?

a)

Fissure

b)

Ash Cinder

c)

Dome

d)

Stratovolcano/ Composite

43.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
44.
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
45.
What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)

Shield Volcano

46.
What type of volcano is made of lava fragments that have been ejected from a volcanic vent?
a)
Caldera
b)
Cinder Cone
c)
Composite Volcano
d)
Shield Volcano
47.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
48.
What type of volcano is shown on the model above? 
a)
Composite Volcano
b)
Shield Volcano
c)
Cinder Cone Volcano
49.
What type of volcano is shown on the model above? 
a)
Shield Volcano
b)
Composite Volcano
c)
Cinder Cone Volcano
50.
What type of volcano is shown on the model above? 
a)
Cinder Cone Volcano
b)
Composite Volcano
c)
Shield Volcano
51.
What is the difference between magma and lava? 
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)
52.
What type of volcano is created when a volcano erupts and releases lava, which then hardens over previous lava over millions of years? 
a)
Composite
b)
Caldera
c)
Cinder Cone
d)
Shield
53.
Which ingredient in magma determines whether an eruption is explosive or quiet?
a)
Amount of rock.
b)
Amount of magma.
c)
Amount of obsidian rock.
d)
Amount of silica.
54.
What causes a volcano to erupt? (Hint: Think of a soda can)
a)
Expanding gases
b)
Expanding magma
c)
Expanding lava
d)
Expanding silica
55.
The largest intrusive body is a
a)
dike
b)
sill
c)
pluton
d)
batholith
56.
Sheet-like intrusions that lie parallel to previous rock units are:
a)
dike
b)
sill
c)
pluton
d)
batholith
57.
Igneous rock formed below the surface of the earth is:
a)
intrusive
b)
felsic
c)
malfic
d)
extrusive
58.

Which type of igneous intrusion forms parallel or in between the preexisting layers of rock?

a)

Sill

b)

Dike

c)

Batholith

d)

Stock

59.

What is the following feature seen at letter A?

a)

Sill

b)

Batholith

c)

Stock

d)

Laccolith

60.

#4 is a...

a)

batholith

b)

laccolith

c)

dike

d)

sill

61.

#3 is a...

a)

batholith

b)

laccolith

c)

dike

d)

sill

62.

#2 is a...

a)

batholith

b)

laccolith

c)

dike

d)

sill