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Volcanoes

Total questions: 50

Worksheet time: 49mins

Name
Class
Date
1.

Where do most of the 1,500 volcanoes on Earth occur?

a)

Indian Ocean

b)

Himalayan Range

c)

Mediterranean Sea

d)

Pacific Ring of Fire

2.

What type of volcano is characterized by gentle slopes and is formed by thin, runny lava pouring from many vents during an eruption?

a)

Composite Volcano

b)

Shield Volcano

c)

Stratovolcano

d)

Sword Volcano

3.

Which volcano is best known for steep slopes, high elevation, and the potential for explosive eruptions?

a)

Cinder cone volcano

b)

Composite volcano

c)

Shield volcano

d)

Exploding volcano

4.

Which part of the volcano does A demonstrate?

a)

Magma chamber

b)

Vent

c)

Crater

d)

Slope

5.

When a volcano empties its magma chamber and the top collapses inward, what forms as a result?

a)

Bigger magma chamber

b)

Crater

c)

Vent

d)

Caldera

6.
A boundary on Earth's crust where two plates collide
a)
Convergent boundary
b)
Divergent boundary
c)
Transform boundary
d)
Indirect boundary
7.
A plate boundary where the plates divide
a)
Indirect boundary
b)
Transform boundary
c)
Convergent boundary
d)
Divergent boundary
8.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
9.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
10.
Where are most volcanoes found?
a)
Southern Hemisphere
b)
Ring of Fire
c)
Mid-Atlantic Ridge
d)
Hot Spots
11.
What is the definition of dormant?
a)
sleeping
b)
extinct
c)
active
d)
invisible
12.
Most volcanoes occur at which 2 types of plate boundaries? 
a)
convergent w/ subduction and divergent
b)
divergent and transform
c)
divergent and hot spots
d)
convergent w/ subduction and hot spots
13.
A dead volcano, one that is unlikely to erupt again
a)
Dormant volcano
b)
Extinct volcano
c)
Shield volcano
d)
Caldera
14.

Where do volcanoes typically form?

a)

At plate boundaries.

b)

In the middle of tectonic plates.

15.

What is an extinct volcano?

a)

A volcano that has erupted at least once in the last 10,000 years.

b)

A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.

c)

A volcano that should never erupt again.

16.

What is a dormant volcano?

a)

A volcano that has erupted at least once in the last 10,000 years.

b)

A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.

c)

A volcano that should never erupt again.

17.

What kind of eruptions do composite volcanoes have?

a)

Explosive eruptions.

b)

Quiet eruptions.

18.

What kind of eruptions do shield volcanoes have?

a)

Explosive eruptions.

b)

Quiet eruptions.

19.
What is a huge hole left behind When a volcano has an enormous eruption and empties the magma chamber and the main vent.  The volcano becomes hollow and collapses leaving this hole behind
a)
Central vent
b)
Caldera
c)
Side vent
d)
Magma
20.
A weak spot in the crust where molten material, or magma comes to the surface
a)
lava
b)
volcano
c)
earthquake
d)
tsunami
21.
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
22.
Molten material that reaches the surface.
a)
Earthquake
b)
Tsunami
c)
Magma
d)
Lava
23.
A volcano belt that rims the Pacific Ocean
a)
Belt of Fire
b)
Ring of Fire
c)
Hat of Fire
d)
Earthquake of Fire
24.
A live volcano
a)
Dormant volcano
b)
Active volcano
c)
Extinct volcano
d)
Shield volcano
25.
A steep cone-shaped hill or mountain
a)
Cinder cone volcano
b)
Shield volcano
c)
Composite volcano
d)
Earthquake
26.
A dead volcano, one that is unlikely to erupt again
a)
Dormant volcano
b)
Extinct volcano
c)
Shield volcano
d)
Caldera
27.
The belly of the Volcano is called
a)
Side vent
b)
Central vent
c)
Magma chamber
d)
Conduit
28.
What is molten rock that has formed deep within the Earth?
a)
Hot Spot
b)
Magma
c)
Lava
d)
Volcano
29.
What is molten rock that has reached the Earth's surface?
a)
Aa
b)
Lava
c)
Magma
d)
Pahoehoe
30.
What is a volcano?
a)
A mountain that has lava all over it 
b)
A giant hill filled with magma
c)
A long high sea wave 
d)
A hole in the Earth where magma erupts
31.
The difference between magma and lava is _____
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)
32.

Large lava fragments that are like baseball in size.

a)

Volcanic ash

b)

Cinders

c)

Bombs

d)

A'a

33.

Large, broad volcano that is formed from layers of lava.

a)

cinder cone

b)

shield

c)

composite

d)

fissure

34.
This volcano is most likely which type of volcano?
a)
Felsic
b)
Composite
c)
Shield
d)
Cinder cone
35.

Name the volcano type pictured:

a)

cinder cone

b)

Composite/ stratovolcano

c)

shield volcano

d)

none of the above

36.

What type of volcano is this?

a)

Fissure

b)

Cinder

c)

Dome

d)

Stratovolcano/ Composite

37.

What type of volcano is this?

a)

Fissure

b)

Shield

c)

Dome

d)

Stratovolcano/ Composite

38.

True or False: Shield volcanoes have explosive eruptions

a)

True

b)

False

39.

True or False: Composite volcanoes have explosive eruptions

a)

True

b)

False

40.
An erupting volcano can cause...
a)
rain
b)
other disasters like tsunamis, earthquakes, etc.
c)
dragon attacks
d)
an early Christmas
41.

When lava cools and hardens, it forms which type of rock?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

The kid of rock depends on the type of volcano

42.

Which type of volcano if found in the Hawaiian Islands with thick flowing, slow moving lava? This is the most common type of volcano on earth.

a)

Cinder Cone

b)

Composite

c)

Lava Dome

d)

Shield

43.

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

44.

The ancient city destroyed by Mt. Vesuvius in 70 A.D.

a)

Ur

b)

Pompeii

c)

Sumer

d)

Babylon

45.

A scientist who studies volcanoes is a

a)

chemist

b)

biologist

c)

seismologist

d)

volcanologist

46.

What volcano in Washington erupted in 1980 after being dormant for almost 100 years?

a)

Mt. Fugi

b)

Mt. Shasta

c)

Mt. Saint Helens

d)

Mt. Kilimanjaro

47.

The Ring of Fire borders what ocean?

a)

Pacific

b)

Atlantic

c)

Indian

d)

Arctic

48.

What is the primary cause of a volcanic eruption?

a)

Tectonic plate movement

b)

Weather changes

c)

Solar flares

d)

Magnetic field shifts

49.

What is the term for molten rock beneath the Earth's surface?

a)

Lava

b)

Magma

c)

Basalt

d)

Granite

50.

A strombolian eruption

a)

mild eruption; looks like water from a fountain

b)

mild eruption; looks like fireworks

c)

explosive eruption that expels hot clouds of gas and dust into the air

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