DIRECTION: Read and understand each questions carefully. Write the
CAPITAL LETTER of your answer in a sheet of paper.
Types of Faults
1. What type of stress causes a normal fault?
A) Compression
B) Tension
C) Shear D) Gravity
2. In which type of fault does the hanging wall move downward relative to
the footwall?
A) Normal fault
B) Reverse fault
C) Strike-slip fault
D) Transform fault
3. What type of fault is commonly found at convergent boundaries where
two plates collide?
A) Normal fault
B) Reverse fault
C) Strike-slip fault
D) Divergent fault
4. Which of the following best describes a strike-slip fault?
A) Rocks slide horizontally past each other
B) Hanging wall moves up over the footwall
C) Hanging wall moves downward
D) Rocks are compressed together
5. What famous fault is an example of a strike-slip fault?
A) San Andreas Fault
B) Himalayan Fault
C) East African Rift
D) Appalachian Fault
6. Which type of fault is likely to occur when the Earth's crust is being
stretched?
A) Strike-slip fault
B) Reverse fault
C) Normal fault
D) Thrust fault
Types of Stress in Faults
1 What are the three main layers of the Earth?
A) Crust, Mantle, Ocean
B) Crust, Mantle, Core
C) Core, Surface, Sky
D) Core, Mantle, Atmosphere
2 What is the Earth's crust compared to in this lesson?
A) A hard stone
B) A shell of an egg
C) A thick wall
D) A soft sponge
3 Which type of stress causes rocks to push or squeeze together?
A) Tension stress
B) Shear stress
C) Confining stress
D) Compression stress
4 What happens to the crust under tension stress?
A) Rocks are pulled apart
B) Rocks are pushed together
C) Rocks remain unchanged D) Rocks become thicker
5 Which type of stress is the opposite of compression?
A) Shear stress
B) Tension stress
C) Confining stress
D) Friction stress
6 What type of stress can lead to the formation of mountains?
A) Tension stress
B) Confining stress
C) Shear stress
D) Compression stress
7 Which type of stress causes plates to rub against each other and can
lead to earthquakes?
A) Compression stress
B) Shear stress
C) Confining stress
D) Tension stress
8 What natural feature can confining stress sometimes cause in the Earth?
A) Volcanoes
B) Mountains
C) Sinkholes
D) Valleys
9 What can happen to the crust during horizontal compression stress?
A) The crust thickens or shortens
B) The crust lengthens or widens
C) The crust fractures inward
D) The crust stays the same
10 Which type of stress likely played a role in breaking up the ancient
supercontinent Pangaea?
A) Confining stress
B) Shear stress
C) Tension stress
D) Compression stress
Focus and Epicenter
1. What is the point underground where an earthquake starts called?
A) Epicenter
B) Crust
C) Focus
D) Fault
2. What is another term for the focus of an earthquake?
A) Hypocenter
B) Hypothesis
C) Core
D) Surface
3.Where is the focus of an earthquake located?
A) Above ground
B) Underground
C) On the ocean surface
D) At the center of the Earth
4. What is the point on the Earth’s surface directly above the focus called?
A) Epicenter
B) Crater
C) Center
D) Core
5. Where does the most violent shaking of an earthquake occur?
A) At the focus
B) At the epicenter
C) On the fault line
D) On the surface
6. Which organization in the Philippines measures earthquake intensity?
A) PHIVOLCS
B) NASA
C) PAGASA
D) NOAH
7. What scale does PHIVOLCS use to describe earthquake intensity in the
Philippines?
A) Richter Scale
B) Mercalli Scale
C) PHIVOLCS Earthquake Intensity Scale (PEIS)
D) Seismic Intensity Scale
8. What does the Richter scale measure?
A) Location of the earthquake
B) Intensity of the earthquake
C) Duration of the earthquake
D) Magnitude of the earthquake
9. How is earthquake intensity represented in the Philippines?
A) Hindu-Arabic numerals (1, 2, 3)
B) Roman numerals (I, II, III)
C) Letters (A, B, C)
D) Decimals (0.1, 0.2, 0.3)
10. How is earthquake magnitude represented?
A) Roman numerals (I, II, III)
B) Hindu-Arabic numerals (1, 2, 3)
C) Letters (A, B, C)
D) Decimals only
11. An earthquake with a magnitude of 2 is usually:
A) Always felt
B) Sometimes felt
C) Highly destructive
D) Always destructive
12. What magnitude of earthquake can cause significant damage in
populated areas?
A) Magnitude 4
B) Magnitude 2
C) Magnitude 6
D) Magnitude 3
13. What magnitude of earthquake can cause severe damage?
A) 5
B) 6
C) 7
D) 4
14. Which of the following describes an earthquake with a magnitude of 8
or 9?
A) Causes minor damage
B) Causes widespread destruction
C) Usually not felt
D) Rarely causes any damage
15, How often do earthquakes with a magnitude of 8 or 9 occur?
A) Every day
B) Once a month
C) One or two per year
D) Never
Active and Inactive Fault
1. What is a fault line?
A) A type of rock formation
B) A geological fracture where masses of rock have moved
C) A type of earthquake
D) A volcanic eruption site
2. What is considered an active fault?
A) A fault that has not moved in millions of years
B) A fault with evidence of seismic activity in the last 10,000 years
C) A fault that has only minor tremors
D) A fault that only produces small earthquakes
3. Which of the following is NOT an effect of movement on an active fault?
A) Strong ground motion
B) Surface faulting
C) Volcanic eruptions
D) Tsunamis
4. How many active fault lines are mentioned in the text for the country?
A) Three
B) Five
C) Seven
D) Ten
5. What is an inactive fault?
A) A fault that has recently experienced earthquakes
B) A fault that is expected to have displacement in the future
C) A fault that shows no seismic activity for millions of years
D) A fault that has caused significant damage in the past
Types of Faults
1.
2.
3.
4.
5.
6.
B
A
B
A
A
C
Types of stress
1. B
2. B
3. D
4. A
5. B
6. D
7. B
8. C
9. A
10. C
Focus and Epicenter
1. C
2. A
3. B
4. A
5. B
6. A
7. C
8. D
9. B
10. B
11. B
12. C
13. C
14. B
15. C
Active and Inactive fault
1. B
2. B
3. C
4. B
5. C