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SAM-EARTH SCIENCE

Total questions: 175

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

In ancient times, the shape of the Earth was believed to be -----

a)

Circle

b)

Flat

2.

What is the true shape of the Earth?

a)

Oblate spheroid

b)

Sphere

c)

Flat

d)

Round

3.

How Eratosthenes calculate the Earth's circumference?

a)
Approximately 40,000 kilometers
b)
Approximately 30,000 kilometers
c)
Around 50,000 kilometers
d)
About 25,000 kilometers
4.

The mass of the Earth is calculated using the

a)
Gravitational measurements and Newton's law of universal gravitation.
b)
Estimating the mass based on the Earth's diameter.
c)
Calculating the Earth's mass using satellite imagery.
d)
Determining the mass through chemical composition analysis.
5.

Formula for volume of sphere

a)
V = πr²h
b)
V = 2πr²
c)
V = (1/3)πr²h
d)
V = (4/3)πr³
6.

How fast is the Earth moving?

a)
15 km/s (orbital speed)
b)
1000 km/h (rotational speed at the equator)
c)
29.78 km/s (orbital speed) and 1670 km/h (rotational speed at the equator)
d)
50 km/s (average speed)
7.

What is the Earth Density ?

a)
3.14 g/cm³
b)
9.81 g/cm³
c)
1.00 g/cm³
d)
5.52 g/cm³
8.

What is the Earth's volume?

a)
500 billion cubic kilometers
b)
1 trillion cubic kilometers
c)
1 million cubic kilometers
d)
2 trillion cubic kilometers
9.

What is the Earth's mass?

a)
6.42 x 10^23 kg
b)
7.35 x 10^24 kg
c)
4.88 x 10^24 kg
d)
5.97 x 10^24 kg
10.

An astronaut namely Sam, who went to Jupiter has a mass of 189.60 lbs. What is the weight of Sam on Jupiter?

a)
189.60 lbs
b)
145.07 kg
c)
75.00 lbs
d)
145.07 lbs
11.

What is the center line of longitude?

a)

Equator

b)

Prime meridian

c)

Longitude

d)

latitude

12.
Which one is not one of the 5 basic colors on a military map?
a)
Brown
b)
Orange
c)
Red
d)
Black
13.
Which type of map does the Military use
a)
Thematic
b)
Topograhical
c)
Political
d)
Physical
14.
Contour Line are?
a)
Orange and represent used space
b)
Black and represent hip hop
c)
Brown and represent distance and elevation
d)
Red and represent features and important areas
15.

When finding grid coordinates, how should you read?

a)

Up and Right

b)

Right and Up

c)

Left and Right

d)

Upside Down

16.

What map is usually used in military training?

a)

Road Map

b)

Google Map

c)

Topographical Map

d)

Disneyland Map

17.

This is a _________ map.

a)

Political map

b)

Physical map

c)

Topological map

18.

Which of the following are the features of conventional signs?

a)

Are universal

b)

Are predefined

c)

Represent man made or natural features

d)

Differ from country to country

19.
What part of the map describes features and labels on the ground?
a)
Legend
b)
Scale
c)
Contour lines
d)
Declination Diagram
20.

Identify the relief feature.

a)

Basin

b)

River

c)

Desert

d)

Contours

21.

Which type of map shows mountains, hills, plains, rivers, lakes, and oceans?

a)

Political map

b)

Thematic map

c)

Physical map

d)

Inset map

22.

Which type of map shows greater detail of one part of the map?

a)

Physical map

b)

Inset map

c)

Political map

d)

Thematic map

23.

Which type of map shows a particular theme or topic?

a)

Inset map

b)

Physical map

c)

Political map

d)

Thematic map

24.

What is the title of the map for?

a)

Tells the subject of the map

b)

Explains the symbols of map

c)

Helps find locations on a map

25.

What is a topographic map?

a)

A map that shows population density

b)

A map that shows different elevations

c)

A map that only shows water bodies

d)

A map that displays national borders

26.

What does a physical map show?

a)

Economic activities

b)

Political boundaries

c)

Physical features of the terrain

d)

Population density

27.

What does the abbreviation "Grid Square" commonly represent on a military map?

a)

A designated area on the map with a unique reference number

b)

The size of the map in square kilometers

c)

The type of terrain found within that square

d)

The coordinates of the map's corners

28.

Which of the following is NOT a common feature found on a topographic map? A) Contour lines B) Scale C) Legend D) Grid lines

a)

A

b)

B

c)

C

d)

D

29.

Which direction does the needle of a compass point to?

a)

magnetic north pole

b)

east

c)

south pole

d)

true north

30.

 A ________ shows data on population characteristics by region or geographic area.

a)

Topographic Map

b)

Demographic Map

c)

Synoptic Map

d)

Political Map

31.

 A ________ is the scientific term for a weather map.

a)

Topographic Map

b)

Demographic Map

c)

Synoptic Map

d)

Political Map

32.

32° 42' 56.6568'' N, 117° 9' 39.9024'' W is an example of _________ location.

a)

approximate

b)

precise

c)

absolute

d)

relative

33.

Geographers are able to use small scale maps to show ___.

a)

smaller area with less detail

b)

smaller area with greater detail

c)

larger area with less detail

d)

larger area with greater detail

34.

Lines of latitude measure distance ________.

a)

East and west of the Prime Meridian

b)

The circumference around the globe

c)

The diameter of the globe

d)

North and south of the Equator

35.

Geographers use lines of longitude to measure _______.

a)

The amount of precipitation

b)

The circumference around the globe

c)

North and south of the Equator

d)

Distance east and west of the Prime Meridian

36.

Which gives the user of the map a better idea of the actual size of an area?

a)

Scale

b)

Legend

c)

Title of the Map

d)

North Arrow

37.

Which symbol is used to tell the direction on a map?

a)

Scale

b)

Legend

c)

Title of the Map

d)

Compass Rose

38.
The relationship between a distance on the map and the actual distance on the ground
a)
map legend
b)
longitude
c)
map view
d)
map scale
39.
The line of latitude 180 degrees east or west of the prime meridian 
a)
cylindrical projection
b)
time zone
c)
International Date Line
40.
What is the approximate location of letter B?
a)
80oN, 0o
b)
0o, 80oW
c)
80oS, 0o
d)
0o, 80oE
41.
Which letter would you find at 15oS, 60oW?
a)
A
b)
C
c)
L
d)
H
42.

Tropic of Cancer

a)

The line of latitude at 66'33"S that marks the boundary of the southern polar zone.

b)

The line of latitude at 66'33"N that marks the boundary of the northern polar zone.

c)

The southernmost line of latitude where the sun's rays beat straight down. This line marks the southern limit of the tropical zone.

d)

The northernmost line of latitude where the sun's rays beat straight down. This line marks the northern limit of the tropical zone.

43.

Tropic of Capricorn

a)

The line of latitude at 66'33"S that marks the boundary of the southern polar zone.

b)

The line of latitude at 66'33"N that marks the boundary of the northern polar zone.

c)

The southernmost line of latitude where the sun's rays beat straight down. This line marks the southern limit of the tropical zone.

d)

The northernmost line of latitude where the sun's rays beat straight down. This line marks the northern limit of the tropical zone.

44.

Prime Meridian

a)

The meridian labeled 0 degrees from which all other degrees of longitude are measured. It passes through Greenwich, England.

b)

The line of latitude that circles Earth exactly midweay between the North and South poles.

c)

The Meridian of Longitude located at 180 degrees. By international agreement, the date is one day earlier to the east of this line.

d)

One half of a sphere. The Earth can be divided into eastern, western, southern, or northern sections.

45.

International Dateline

a)

The meridian labeled 0 degrees from which all other degrees of longitude are measured. It passes through Greenwich, England.

b)

The line of latitude that circles Earth exactly midweay between the North and South poles.

c)

The Meridian of Longitude located at 180 degrees. By international agreement, the date is one day earlier to the east of this line.

d)

One half of a sphere. The Earth can be divided into eastern, western, southern, or northern sections.

46.

What is the full form of GIS?

(a)  

47.

4 Cardinal points are (a)  

48.

The first map of world was created by (a)  

49.

Satellites orbiting the earth send information to find locations, this is called__________

a)

Global Positioning System

b)
Radar
c)
LORAN
d)
GIS
50.

Which mapping option best represents the shapes of areas near the equator?

a)

Conic mapping projection

b)

Planar mapping projection

c)

Cylindrical mapping projection

51.

stress

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is squeezed

52.

What is the deformation of materials in response to stress?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Plastic Deformation

e)

Fault

53.

What is the process when stress causes a material to strain, but afterward the material returns to its original shape?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Plastic Deformation

e)

Fault

54.

What is the process when stress causes a material to strain past the elastic limit and material has permanent deformation?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Ductile Deformation

e)

Fault

55.
In geology, the amount of force per unit area that acts on a rock is called...
a)
stress
b)
strain
c)
gerth
d)
pressure
56.

Which letter is pointing to the elastic limit?

a)

A

b)

B

c)

C

d)

D

57.

Which letter points to the section that shows elastic deformation?

a)

A

b)

B

c)

C

d)

D

58.

Which letter points to the section that shows ductile deformation?

a)

A

b)

B

c)

C

d)

D

59.

Which letter is pointing to where the material will break?

a)

A

b)

B

c)

C

d)

D

60.

Which section reversible ?

a)

A

b)

B

c)

C

d)

D

61.

deformation

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is squeezed

62.

compression

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is sqeezed

63.

tension

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is squeezed

64.

What is a weak region in the crustal rock where movement of the Earth occurs?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Ductile Deformation

e)

Fault

65.

What happens when stress exceeds strain?

a)

Nothing happens, the material stays as is

b)

The material will go back to normal

c)

The material will stay deformed

d)

The material will break

66.

Another term for breaking is

a)

stress

b)

strain

c)

failure

d)

deformation

67.

stress

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is squeezed

68.

What is the deformation of materials in response to stress?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Plastic Deformation

e)

Fault

69.

What is the process when stress causes a material to strain, but afterward the material returns to its original shape?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Plastic Deformation

e)

Fault

70.

What is the process when stress causes a material to strain past the elastic limit and material has permanent deformation?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Ductile Deformation

e)

Fault

71.
In geology, the amount of force per unit area that acts on a rock is called...
a)
stress
b)
strain
c)
gerth
d)
pressure
72.

Which letter is pointing to the elastic limit?

a)

A

b)

B

c)

C

d)

D

73.

Which letter points to the section that shows elastic deformation?

a)

A

b)

B

c)

C

d)

D

74.

Which letter points to the section that shows ductile deformation?

a)

A

b)

B

c)

C

d)

D

75.

Which letter is pointing to where the material will break?

a)

A

b)

B

c)

C

d)

D

76.

deformation

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is squeezed

77.

compression

a)

the process by which the shape of a rock changes because of stress

b)

the amount of force per square unit area on a given material

c)

stress that occurs when an object is stretched

d)

stress that occurs when an object is sqeezed

78.

What is a weak region in the crustal rock where movement of the Earth occurs?

a)

Stress

b)

Strain

c)

Elastic Deformation

d)

Ductile Deformation

e)

Fault

79.

What happens when stress exceeds strain?

a)

Nothing happens, the material stays as is

b)

The material will go back to normal

c)

The material will stay deformed

d)

The material will break

80.

Another term for breaking is

a)

stress

b)

strain

c)

failure

d)

deformation

81.

It refers to the force exerted over an area which causes a deformation in the Earth's crust.

a)

Stress

b)

Strain

82.

It is a type of force which pushes the crust inwards

a)

Tensional

b)

Compressional

83.

It refers to a type of stress which is usually seen in transform boundaries.

a)

Tensional

b)

Shear

84.

It refers to the term which is used to describe the deformation resulted from the application of external force.

a)

Stress

b)

Strain

85.

It is a type of crustal deformation formed by ductile strain.

a)

Folds

b)

Faults

86.

It is a type of crustal deformation that were formed by brittle strain.

a)

Folds

b)

Faults

87.

It refers to a strain that produces permanent folds in Earth's crust.

a)

Ductile

b)

Brittle

88.

It is a type of fault that are produced by compressional forces which causes the hanging wall to move ip relative to the firewall.

a)

Reverse

b)

Strike and slip

89.

It is a type of strain which enable deformed lands to go back to its original form.

a)

Elastic

b)

Ductile

90.

It refers to the amount of energy that produces a permanent strain.

a)

Yield point

b)

Stress

91.

TRUE OR FALSE:

Crustal deformation causes earthquakes.

a)

True

b)

False

92.

TRUE OR FALSE:

Reccumbent folds can be equally divided into 2 parts using axial axis even if it were placed horizontally.

a)

True

b)

False

93.

TRUE OR FALSE:

An anticline has an inverted A structure.

a)

True

b)

False

94.

TRUE OR FALSE:

Too much compression on folds may lead to the formtion of faults.

a)

True

b)

False

95.

TRUE OR FALSE:

Overturned folds are asymmetrical.

a)

True

b)

False

96.

TRUE OR FALSE:

Monocline folds has a V shape structure

a)

True

b)

False

97.

TRUE OR FALSE:

Shear stress is present in strike-slip faults.

a)

True

b)

False

98.

TRUE OR FALSE:

Domes are created because of the compression on all sides of a plate.

a)

True

b)

False

99.

The term plunging means to say that the fold is in an inclined or horizontal position.

a)

True

b)

False

100.

TRUE OR FALSE:

A basin is an anticline in an upside down position.

a)

True

b)

False

101.

Type of fold: downfolds or troughs

a)

anticlines

b)

synclines

c)

monoclines

d)

benchmarks

102.
The oldest layer of an anticline is located ___
a)
on an incline
b)
within a syncline
c)
in the center of the fold
d)
on the bottom of the fold
103.
A fold where the youngest rock layer is in the center is called a(n) _____
a)
monocline.
b)
decline.
c)
syncline.
d)
anticline.
104.
a)
normal fault
b)
reverse fault
c)
strike-slip fault
105.
a)
normal fault
b)
reverse fault
c)
strike-slip fault
106.

An upward fold in the rock that makes an arch

a)

anticline

b)

syncline

c)

folded mountain

d)

fault block

107.
In the diagram, letter "A" is labeling the _____
a)
Hanging Wall
b)
Foot Wall
c)
Gallery Wall
d)
Accent Wall
108.
A type of fault where rocks on either side move past each other sideways is called:
a)
normal fault
b)
reverse fault
c)
strike-slip fault
109.
Which of these boundaries/stresses/faults all correctly go together?  Choose all that apply.
a)
normal, divergent, tension
b)
reverse, convergent, shearing
c)
strike-slip, transform, compression
110.

The three types of stress that leads to faults include:

a)

tension, compression, and normal stress

b)

tension, compression, and shearing stress

c)

deformation, tension, and shearing stress

111.
Where is the point at which the first movement occurs during an earthquake?
a)
Epicenter
b)
Focus
c)
Fault
d)
Plate
112.
Where is the point on the Earth’s surface directly above the focus of an earthquake?
a)
Epicenter
b)
Fault
c)
Hypocenter
d)
Tremor
113.

How can you relate fault movements with earthquakes?

a)

Every time there is an earthquake this all due to fault movements.

b)

Every time there is an earthquake, rock layers move causing faults to move as well.

c)

Every time fault moves and friction between rocks is overcome this will result in an earthquake.

d)

Every time fault moves even though friction between rocks has not overcome, this will result in an earthquake.

114.
What is the measure of the amount of energy released in an earthquake?
a)
Earthquake
b)
Epicenter
c)
Magnitude
d)
Seismogram
115.
What is a smaller earthquake that follows a larger earthquake?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
116.

What is the instrument used by scientists to measure the intensity of an earthquake?

a)

Seismogram

b)

Seismograph

c)

Seismology

d)

Seismologist

117.

_________________is a number (written as a Roman numeral) describing the severity of an earthquake in terms of its effects on the earth's surface and on humans and their structures.

a)

magnitude

b)

intensity

118.

Theory explaining how energy is released in the fault zones in an earthquake

(a)  

119.

Phenomenon in which soil behaves like a liquid similar to a quick sand

a)

Ground shaking

b)

Ground rupture

c)

Landslides

d)

Liquefaction

e)

Tsunami

120.

Losing of soil particles because of water pressure

a)

Liquefaction

b)

Ground subsidence

121.

What is letter A?

a)

Igneous Rock

b)

Sedimentary Rock

c)

Metamorphic Rock

d)

Minerals

122.
What geologic process changes pieces of rocks, minerals and other materials into sedimentary rocks?
a)
Compacting and Cementing
b)
Cooling
c)
Heat and Pressure
d)
Melting
123.
What characteristic is common in metamorphic rocks?
a)
Fossils
b)
Foliations or layers
c)
Gas Bubbles
d)
Glassy Surface
124.
What geologic process can change granite (igneous rock) into gneiss (metamorphic rock)?
a)
Compacting and cementing
b)
Cooling 
c)
Heat and pressure
d)
Melting
125.

What type of rock is formed from slow cooling magma UNDER the earth's surface?

a)

Extrusive Igneous

b)

Intrusive Igneous

c)

Metamorphic

d)

Sediment

126.

Identify the series of geologic processes that can transform sediment into shale (sedimentary rock), shale into slate (metamorphic), and slate into magma

a)

Cooling; Melting; Heat and Pressure

b)

Compacting and cementing; heat and pressure; melting

c)

Melting; heat and pressure; cooling

d)

Weathering and erosion; compacting and cementing; cooling

127.

Which characteristic is found only in sedimentary rocks?

a)

Fossils

b)

Crystals

c)

Gas Bubbles

d)

Glassy Surface

128.

What is the process by which rock is broken into fragments called sediments?

a)

Deposition

b)

Erosion

c)

Weathering

d)

Igneous Rock

129.
An igneous rock can become ______.
a)
metamorphic
b)
sedimentary
c)
igneous
d)
all of these
130.

When weathering breaks rocks into pieces, what do we call those smaller pieces?

a)
texture
b)
weathering
c)
sediment
d)
erosion
131.
_______ rock forms from magma/lava
a)
Metamorphic
b)
Sedimentary
c)
Igneous
132.

The process by which sediment is moved from one place to another.

a)

weathering

b)

Uplift

c)

Deposition

d)

Erosion

133.

What is the energy source for igneous rocks to form?

a)

Earth's hot interior

b)

the sun

c)

gravity

d)

magnetism

134.

What is the energy source for sedimentary rocks to form?

a)

Earth's hot interior

b)

gravity and the sun

c)

the moon

d)

magnetism

135.

How would an igneous rock become sedimentary?

a)

weathering, erosion, deposition then compacting and cementing

b)

melting then cooling and crystallizing

c)

heat and pressure

d)

melting then weathering and erosion

136.

A model that describes all the processes by which rock is formed.

a)

rock cycle

b)

Weathering

c)

Sedimentation

137.

Rocks are brought to the surface

a)

melting

b)

deposition

c)

lithification

d)

uplift

e)

weathering

138.

breaks the rock down into smaller pieces

a)

melting

b)

deposition

c)

lithification

d)

uplift

e)

weathering and erosion

139.

moves rocks through wind, water, glaciers, rivers, and oceans

a)

melting

b)

deposition

c)

transportation

d)

uplift

e)

weathering and erosion

140.

transforms sediments into sedimentary rock with increasing temperature, pressure and burial

a)

melting

b)

lithification

c)

transportation

d)

uplift

e)

weathering and erosion

141.

a process that changes preexisting rocks into new forms because of increases in temperature, pressure, and chemically active fluids.

a)

melting

b)

lithification

c)

transportation

d)

metamorphism

e)

weathering and erosion

142.
Which type of rock results from the melting and cooling of magma?
a)
Intrusive
b)
Extrusive
c)
Foliated
d)
Nonfoliated
143.
Which type of rock forms from extreme heat and pressure?
a)
Igneous 
b)
Sedimentary
c)
Metamorphic
d)
Organic
144.
T / F As part of the rock cycle, rocks can only follow 1 set pathway.
a)
TRUE
b)
FALSE
145.
All rocks can be...
a)
melted, compacted, and cooled
b)
melted, transformed, and eroded
c)
cooled, transformed, and eroded
d)
cooled, compacted, and transformed
146.

Sedimentary Rock --> ____________--> Sediment

a)

compaction and cemetation

b)

weathering and erosion

c)

heat and pressure

d)

melting and cooling

147.

Magma --> _____________ --> Igneous Rock

a)

Melting

b)

Cooling

c)

Metamorphism

d)

Compaction

148.

Which is NOT accurate?

a)

Igneous -->Melting --> Magma

b)

Sediment --> Compaction --> Sedimentary

c)

Metamorphic --> Heat and Pressure --> Sedimentary

d)

Magma --> Cooling --> Igneous

149.

Metamorphic Rock --> Weathering & Erosion --> __________

a)

Magma

b)

Igneous

c)

Sediment

d)

Metamorphic

150.

Sedimentary --> ____________--> magma

a)

Weathering and Erosion

b)

Heat and Pressure

c)

Melting

d)

Cooling

151.
What is pyroclastic flow?
a)
A light, cool cloud that travels uphill with amazing speed
b)
A light, cool cloud that travels downhill with amazing speed
c)
A dense, superheated cloud that travels downhill with amazing speed
d)
A dense, superheated cloud that travels uphill with amazing speed
152.
What are the characteristics of basaltic lava?
a)
Flows slowly and cools quickly
b)
Contains the least amount of silica
c)
Contains the most amount of silica
d)
Forms smooth, ropelike surfaces
153.
What are the three different types of pyroclastic material?
a)
Ash, lapilli, and scoria
b)
Ash, lapilli, and blocks/bombs
c)
Ash, lapilli, and pumice
d)
Ash, pumice, and blocks/bombs
154.

A magma's viscosity depends primarily on its:

a)

Temperature

b)

Silica content

c)

Color

d)

Mass

e)

Volume

155.

In general, the more silica in magma, the ______________ its viscosity.

a)

lower

b)

greater

156.

In general, the hotter the magma, the ______________ its viscosity.

a)

lower

b)

greater

157.

As lava cools, the viscosity ________________ until the lava becomes a solid rock.

a)

Increases

b)

Decreases

158.

Which of the following are the two most abundant gases in magma:

a)

Water vapor

b)

Carbon dioxide

c)

Carbon monoxide

d)

Nitrogen

e)

Oxygen

159.

Which of the following magmas has the highest silica content (~70%)

a)

Basaltic

b)

Rhyolitic

c)

Andesitic

160.

Which of the following magmas has the lowest silica content (~50%)

a)

Basaltic

b)

Rhyolitic

c)

Andesitic

161.

The type of magma with the lowest percentage of gas content:

a)

Basaltic

b)

Andesitic

c)

Rhyolitic

162.
A volcano with a broad base and gently sloping sides is called a _________ volcano. 
a)
shield 
b)
cinder cone
c)
composite
d)
fissure
163.

It is characterized by gas-driven explosion that propels magma and tephra.

a)

Explosive Volcanic Eruption

b)

Effusive Volcanic Eruption

164.

This is also known as mudflows commonly classified into hot or cold.

a)

Tsunami

b)

Lahar

c)

Lava dome

d)

Pyroclastic flow

165.

It is the presence of combustible dusts and hot bursts of trapped gases into the atmosphere.

a)

Volcanic bombs

b)

Lahar

c)

Tephra fall

d)

Blasts

166.

What do you call the materials being ejected by an erupting volcano?

a)

debris

b)

ejecta

c)

harmful objects

d)

dangerous materials

167.

What volcanic hazard is known in the picture?

a)

lava dome

b)

volcanic bomb

c)

lava flow

d)

tsunami

168.

What volcanic hazard is known in the picture?

a)

lava dome

b)

volcanic bomb

c)

lava flow

d)

tsunami

169.

This is a fluidized mass of turbulent gas and rock fragments which is ejected during some volcanic eruptions.

a)

Lava flow

b)

Pyroclastic surge

c)

Pyroclastic flow

d)

Tephra falls

170.

This is a fragmental material produced by a volcanic eruption consisting of pumice, scoria, lithic materials or crystals, or combination of the four.

a)

Lava flow

b)

Pyroclastic surge

c)

Pyroclastic surge

d)

Tephra falls

171.

All of these are volcanic hazards except:

a)

Lava Flow

b)

Lava Intrusion

c)

Volcanic Gases

d)

Pyroclastic Flow

172.

  1. Which volcanic hazard is associated with the release of toxic gases such as sulfur dioxide and carbon dioxide?

a)

  1. Pyroclastic flow

b)

  1. Volcanic gases

c)

  1. Lava flow

d)

  1. Ashfall

173.

This is often emitted from volcanoes. It is invisible, but it can be deadly!

a)

Carbon Monoxide

b)

Volcanic Ash

c)

Sulphur Dioxide

d)

Carbon Dioxide

174.

These are observable facts that are arising due to volcanic activity such as eruption

a)

Volcanic Hazards

b)

Earthquake Hazards

c)

Geological Hazards

d)

Fire Hazards

175.

This hazard happens when sea waves or wave trains are generated by sudden displacement of water

a)

Lava flow

b)

Tsunami

c)

Ballistic projectile

d)

Pyroclastic flow

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