WorksheetsQuarter 3 – Module 1: Types and Characteristics of Volcanoes
Total questions: 61
Worksheet time: 25mins
Name
Class
Date
1.
What is a volcano?
a)
A large storm with very high speed wind
b)
A large cloud that generates rain, hail, and lighting
c)
An opening in the Earth’s crust where magma erupts to the surface
d)
A violent shaking of the Earth that occurs when two tectonic plates bump into each other
2.
What do we call molten hot liquid rock while it is still below the Earth’s surface?
a)
Lava
b)
Magma
c)
Igneous
d)
Mauna
3.
What do we call molten hot liquid rock once it erupts to the Earth’s surface?
a)
Cinder
b)
Igneous
c)
Magma
d)
Mauna
4.
What kinds of rocks are formed when lava from a volcano cools?
a)
Meteorites
b)
Magma rocks
c)
Igneous rocks
d)
Sedimentary rocks
5.
Which of the following descriptions describe a dormant volcano?
a)
Volcano that is currently erupting
b)
A volcano that has erupted in recent history
c)
A volcano that scientists believe will never erupt again
d)
A volcano that has not erupted in a long time but may erupt again
6.
What type of volcanoes form from wide thin layers of lava?
a)
Lava domes
b)
Cinder cones
c)
Shield volcanoes
d)
Composite volcanoes
7.
What type of volcanoes can sometimes form inside another volcano?
a)
Lava domes
b)
Cinder cones
c)
Shield volcanoes
d)
Composite volcanoes
8.
What type of volcanoes are formed from lava ejected from a single vent at the top but they don’t get taller than around 1,000 feet?
a)
Lava domes
b)
Cinder cones
c)
Shield volcanoes
d)
Composite volcanoes
9.
What types of volcanoes are formed over many years and can grow to mountains of over 8000 feet tall?
a)
Lava domes
b)
Cinder cones
c)
Shield volcanoes
d)
Composite volcanoes
10.
What is the main outlet for magma to escape a volcano?
a)
Lava
b)
Main vent
c)
Secondary vent
d)
Magma Chamber
11.
Which characteristic of magma mainly determines its explosiveness?
a)
Color
b)
Amount
c)
Temperature
d)
Silica content
12.
Which of the following characteristics of a volcano depends on its magma emission?
a)
Age
b)
Size
c)
Shape
d)
Location
13.
A thick layer of volcanic ash can be heavy enough to collapse the roofs of buildings because ash_______
a)
Is solid
b)
Cannot be blown by winds
c)
Becomes heavier as it cools
d)
Consists of tiny fragments of rocks that becomes heavy as they pile up.
14.
Which type of volcano is the most explosive?
a)
Composite
b)
Cinder
c)
Shield
d)
Lava dome
15.
Which lava only occurs under water?
a)
Pahoehoe
b)
Magma
c)
Pillow
d)
None of the above
16.
What is a geyser?
a)
Magma chamber
b)
Found in volcanic areas
c)
Opening through which magma rises and then erupts
d)
Are spectacular sight as they shoot hot water up into the sky
17.
Which type of volcano has a very broad shape with gentle slopes?
a)
Shield
b)
Caldera
c)
Cinder cone
d)
Stratovolcano
18.
Which type of volcano is composed of layers of lava, ash, and rock debris?
a)
Shield
b)
Cinder cone
c)
Composite cone volcano
d)
Pyroclastic volcano
19.
What is the bowl-shaped basin in the top of the volcano?
a)
Vent
b)
Crater
c)
Magma chamber
d)
Volcanic bombs
20.
What are the characteristics of a composite volcano?
a)
Steep sides
b)
Running Lava
c)
Covers a wide area
d)
None of the above
21.
Volcanoes can also be classified according to its type of (a) .
22.
First is _________ eruption, which is the least ______ type with highly ________ or runny lava flowing out several vents.
(a)
23.
This is similar to the way Hawaiian volcanoes erupt, which creates _____ volcanoes. ________ eruption is ________, featuring _________ ejection of ____ and ____, which results in the formation of volcanic bombs and _____ cones.
(a)
24.
In a _________ eruption, a thick, viscous magma flows around the vent as solid ____ and _________ are ejected.
(a)
25.
The ____ violent and __________ type of eruption is the Plinian, which is caused by the buildup of _____ magma and dissolved gas.
(a)
26.
This type is accompanied by (a) pyroclastic debris and lahars.
27.
Which of the following is an active volcano in the Philippines?
a)
Apo in Davao
b)
Isarog in Camarines Sur
c)
Bagacay in Camarines Norte
d)
Taal Volcano in Batangas
28.
Why does a thick layer of volcanic ash can be heavy enough to collapse the roofs of buildings? It is because ash ________.
a)
is solid
b)
cannot be blown by winds
c)
becomes heavier as it cools
d)
consists of tiny fragments of rocks that becomes heavy as they pile up
29.
Which of the following factors associated with huge volcanic eruptions may cause the decrease in the Earth’s average temperature for a few years?
a)
heat
b)
acid rain
c)
light
d)
volcanic ash
30.
Which of the following characteristics of a volcano depends on its magma emission?
a)
age
b)
location
c)
size
d)
shape
31.
Which characteristic of magma mainly determines its explosiveness?
a)
amount
b)
color
c)
temperature
d)
silica content
32.
Aside from Mayon Volcano, what other Philippine volcano that has erupted recently?
a)
Bulusan
b)
Canlaon
c)
Pinatubo
d)
Taal
33.
What causes a shield volcano to be shaped like a broad dome? It is formed from ______________.
a)
the emission of lava
b)
ejected lava fragments
c)
molten magma which has high silica content
d)
alternate solidification of lava and pyroclastic deposits
34.
Which of the following describes a Plinian volcanic eruption?
a)
a periodic weak to violent eruption characterized by lava fountain
b)
stream-driven eruption as the hot rocks come in contact with water
c)
excessively explosive type of eruption of gas and pyroclastic materials
d)
characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ashfall tephra
35.
Which property of a material refers to the material’s resistance to flow?
a)
heat
b)
pressure
c)
temperature
d)
viscosity
36.
Which is NOT an external part of a volcano?
a)
base
b)
crater
c)
slope
d)
summit
37.
Which of the following describe a Strombolian volcanic eruption? I. has tall eruption columns III. characterized by fountain lava II. it is a stream-driven eruption IV. periodic weak to violent eruption
a)
I & II
b)
III & IV
c)
I & III
d)
II & IV
38.
How does a cinder cone volcano form? By the accumulation of the ________
a)
emission of lava
b)
ejected lava fragments
c)
molten magma which has high silica content
d)
alternate solidification of lava and pyroclastic deposits
39.
How many craters does Taal Volcano have?
a)
47
b)
48
c)
49
d)
50
40.
What is the viscosity of the lava?
a)
high viscosity
b)
no viscosity
c)
average viscosity
d)
low viscosity
41.
What if the lava that flows out from the crater has high silica content, what would be the viscosity of the lava?
a)
high viscosity
b)
no viscosity
c)
average viscosity
d)
low viscosity
42.
A volcano is a natural opening in the structure of the earth where molten rocks, hot gases, smoke, and ash are ejected.
a)
TRUE
b)
FALSE
43.
Volcanoes are classified according to their record of eruption and shield, cinder, and composite.
a)
TRUE
b)
FALSE
44.
The composition, temperature, and amount of gas in the magma are the three factors that shapes the volcanic cone.
a)
TRUE
b)
FALSE
45.
Shield volcanoes are large, nearly perfect shield-shaped structures formed from alternate solidification of both lava and pyroclastic deposits.
a)
TRUE
b)
FALSE
46.
As the temperature of magma increases, the viscosity of magma decreases.
a)
TRUE
b)
FALSE
47.
Which of the following characteristics of a volcano depends on its magma emission?
a)
age
b)
location
c)
size
d)
shape
48.
How many craters does Taal Volcano have?
a)
47
b)
48
c)
49
d)
50
49.
Which is NOT an external part of a volcano?
a)
base
b)
crater
c)
slope
d)
summit
50.
Aside from Mayon Volcano, what other Philippine volcano that has erupted recently?
a)
Bulusan
b)
Canlaon
c)
Pinatubo
d)
Taal
51.
Which characteristic of magma mainly determines its explosiveness?
a)
amount
b)
color
c)
temperature
d)
silica content
52.
Which property of a material refers to the material’s resistance to flow?
a)
heat
b)
pressure
c)
temperature
d)
viscosity
53.
Which of the following sentences describe a Strombolian volcanic eruption? I. has tall eruption columns III. characterized by fountain lava II. it is a stream-driven eruption IV. periodic weak to violent eruption
a)
I & II
b)
III & IV
c)
I & III
d)
II & IV
54.
What is the viscosity of the lava?
a)
high viscosity
b)
no viscosity
c)
average viscosity
d)
low viscosity
55.
What if the lava that flows out from the crater has high silica content, what would be the viscosity of the lava?
a)
high viscosity
b)
no viscosity
c)
average viscosity
d)
low viscosity
56.
Which of the following is an active volcano in the Philippines?
a)
Apo in Davao
b)
Isarog in Camarines Sur
c)
Bagacay in Camarines Norte
d)
Taal Volcano in Batangas
57.
Which of the following factors associated with huge volcanic eruptions may cause the decrease in the Earth’s average temperature for a few years?
a)
heat
b)
acid rain
c)
light
d)
volcanic ash
58.
How does a cinder cone volcano form? By the accumulation of the ________
a)
emission of lava
b)
ejected lava fragments
c)
molten magma which has high silica content
d)
alternate solidification of lava and pyroclastic deposits
59.
Why does a thick layer of volcanic ash can be heavy enough to collapse the roofs of buildings? It is because ash ________.
a)
is solid
b)
cannot be blown by winds
c)
becomes heavier as it cools
d)
consists of tiny fragments of rocks that becomes heavy as they pile up
60.
What causes a shield volcano to be shaped like a broad dome? It is formed from ______________.
a)
the emission of lava
b)
ejected lava fragments
c)
molten magma which has high silica content
d)
alternate solidification of lava and pyroclastic deposits
61.
Which of the following describes a Plinian volcanic eruption?
a)
a periodic weak to violent eruption characterized by lava fountain
b)
stream-driven eruption as the hot rocks come in contact with water
c)
excessively explosive type of eruption of gas and pyroclastic materials
d)
characterized by tall eruption columns that reach up to 20 km high with pyroclastic flow and ashfall tephra
100 %
