Republic of the Philippines

Department of Education
Region _____

_________________ HIGH SCHOOL

FOURTH PERIODICAL EXAMINATION

TABLE OF SPECIFICATIONS IN SCIENCE 7

Learning Item No. No. Percent Remem Unders Applyi Analyz Evaluat Creati
Competency Place of of age of bering tandin ng ing ing ng
ment Day Ite Items g
s ms

Classify geological 1-8 – 8 16% 2 3 1 1 1 0

faults according to
the angle of the
fault plane and
direction of slip;

1. Describe how the 9-14 – 6 12% 2 2 1 0 1 0

effects of
earthquakes on
communities
depend on their
magnitude;
2. Use the
PHIVOLCS
FaultFinder or other
reliable information
source to identify
where the nearest
fault system is
located from their
community and
assess the risk of
earthquakes to their
local community
Explain how 15-20 – 6 12% 1 2 2 1 0 0
earthquakes result
in tsunamis that
devastate shoreline
communities

Refer to the local 21-26 – 6 12% 2 1 2 1 0 0

disaster readiness
plans to
demonstrate what
to do during and
after an earthquake

Explain how energy 27-32 – 6 12% 2 2 1 1 0 0

from the Sun
interacts with the
atmosphere.

Explain how solar 33-38 – 6 12% 2 3 0 1 0 0

energy contributes
to the occurrence of
land and sea
breezes, monsoons,
and the
Intertropical
Convergence Zone
(ITCZ).

Make a physical 39-44 – 6 12% 2 2 2 0 0 0

model or use
drawings to
demonstrate how
the tilt of the Earth
relative to its orbit
around the
Sun affects the
intensity of sunlight
absorbed by
different areas of
Earth over a year.
Explain, using
models, how the tilt
of the Earth affects
the changes in the
length of daytime at
different times
of the year.

Make a physical 45-50 – 6 12% 2 2 1 1 0 0

model or use
drawings to
demonstrate how
the tilt of the Earth
relative to its orbit
around the
Sun affects the
intensity of sunlight
absorbed by
different areas of
Earth over a year.
Explain how solar
energy contributes
to the occurrence of
land and sea
breezes, monsoons,
and the
Intertropical
Convergence Zone
(ITCZ).

TOTAL – 50 100% 15 17 10 6 2 0

Republic of the Philippines

 Department of Education
Region _____

_________________ HIGH SCHOOL

FOURTH PERIODICAL EXAMINATION IN SCIENCE 7

NAME:______________________________ DATE:_______

SCORE:_______

Directions: Read the questions carefully and choose the correct answer.

1. Which of the following faults is characterized by a horizontal slip where the blocks move
laterally along the fault plane?
A. Normal Fault
B. Reverse Fault
C. Strike-Slip Fault
D. Thrust Fault

2. A fault where the hanging wall moves down relative to the footwall is called:
A. Normal Fault
B. Reverse Fault
C. Strike-Slip Fault
D. Transform Fault

3. Which type of fault occurs when the hanging wall moves up relative to the footwall,
typically due to compression forces?
A. Normal Fault
B. Reverse Fault
C. Strike-Slip Fault
D. Oblique Fault

4. What is the primary cause of reverse faults?

A. Tension
B. Earthquakes
C. Shearing
D. Compression

5. In a strike-slip fault, the direction of slip is:

A. Horizontal
B. Vertical
C. Diagonal
D. None of the above

6. Which type of fault is associated with tectonic plate boundaries where the plates slide
past one another?
A. Normal Fault
B. Reverse Fault
C. Strike-Slip Fault
D. Transform Fault

7. A fault with a steep angle where the hanging wall moves up relative to the footwall, often
seen at convergent boundaries, is called:
A. Reverse Fault
B. Thrust Fault
C. Normal Fault
D. Strike-Slip Fault

8. Which of the following best describes a normal fault?

A. The hanging wall moves upward compared to the footwall.
B. The hanging wall moves downward compared to the footwall.
C. Both blocks move laterally with no vertical displacement.
D. The fault plane is at a 45-degree angle to the surface.

9. Which of the following factors most affects the extent of damage an earthquake can
cause to a community?
A. The depth of the earthquake
B. The weather conditions during the earthquake
C. The magnitude of the earthquake
D. The time of day the earthquake occurs

10. A community located near a fault line is more likely to experience:

A. Higher air pressure during an earthquake
B. Greater shaking intensity and potential damage
C. Less severe ground shaking
D. A decrease in seismic activity over time

11. If an earthquake with a magnitude of 5.0 occurs in a community, which of the following
is most likely to happen?
A. Severe damage to buildings and infrastructure
B. Noticeable shaking but minimal damage
C. No noticeable effects on the community
D. A massive tsunami will occur
12. To assess the earthquake risk of their community, residents can use the PHIVOLCS
FaultFinder tool to:
A. Identify the nearest fault system and its proximity to the community
B. Determine the exact time an earthquake will occur
C. Predict the magnitude of future earthquakes
D. Measure the strength of an earthquake at the time it occurs

13. If a community is located near a fault system that has been inactive for a long time,
what is the most accurate action to take in assessing earthquake risk?
A. Assume that the risk of earthquakes is nonexistent
B. Rely on other communities for earthquake response assistance
C. Monitor the fault system for any signs of seismic activity and prepare accordingly
D. Disregard any earthquake preparedness plans

14. Which of the following is most likely to occur when an earthquake of magnitude 7.0 or
higher strikes a densely populated urban area?
A. Only minor damage to buildings and infrastructure
B. Only damage to agricultural lands, not to urban areas
C. No significant impact on the community
D. Widespread destruction of buildings, roads, and utilities

15. Which of the following describes how earthquakes can trigger tsunamis?
A. Earthquakes create underwater volcanoes that erupt and displace water.
B. Earthquakes cause the ocean floor to suddenly shift, displacing large amounts of water.
C. Earthquakes generate strong winds that create massive waves.
D. Earthquakes cause the atmospheric pressure to drop, leading to large waves.

16. A tsunami is most likely to occur when an earthquake occurs:

A. Underwater along a tectonic plate boundary
B. Deep in the Earth's crust with no movement at the ocean floor
C. In a desert region far from the coast
D. At the surface of the Earth away from any fault lines

17. What happens to the waves generated by an earthquake that causes a tsunami?
A. The waves move slowly and do not reach shorelines.
B. The waves grow in size as they approach shallow waters near the shore.
C. The waves lose energy as they move toward the coastline.
D. The waves cause the ocean to retreat to deeper water.

18. Which of the following is a primary effect of a tsunami on coastal communities?

A. Widespread flooding and destruction of infrastructure
B. Decrease in ocean salinity
C. Increase in air pressure causing storms
D. Reduction in the occurrence of earthquakes
19. Which of the following is true about the speed of tsunami waves in deep ocean water?
A. Tsunami waves travel at high speeds, up to 500-800 km/h, in deep water.
B. Tsunami waves travel at a slower speed than regular ocean waves.
C. Tsunami waves are faster in shallow waters but slower in deeper waters.
D. Tsunami waves do not move in deep ocean water.

20. Which factor increases the severity of a tsunami's impact on a coastal community?
A. The height of the earthquake's epicenter above the sea level
B. The distance of the earthquake from the shoreline
C. The depth of the water near the earthquake's origin
D. The size of the earthquake's epicenter's land mass

21. According to local disaster readiness plans, what is the first thing you should do when
you feel an earthquake?
A. Immediately leave the building and run outside
B. Drop to the ground, take cover under a sturdy object, and hold on
C. Stand near a window for better visibility
D. Head to the highest point of the building

22. What is the safest place to take cover during an earthquake if you are inside a building?
A. Under a sturdy desk or table
B. Near windows or glass doors
C. In a doorway with no protection
D. Near large furniture that could tip over

23. After the shaking stops, what should you do according to disaster readiness plans?
A. Stay inside until you are sure it is safe and check for hazards like gas leaks or fires
B. Immediately run outside and seek shelter in the open
C. Wait for authorities to give instructions before taking any action
D. Call for help even if you are not injured

24. In the event of an aftershock, what is the best action to take?

A. Run outside and find the nearest open space
B. Try to find and move to a safer building
C. Ignore the aftershock if the building seems safe
D. Stay where you are, take cover again, and protect your head and neck

25. Which of the following is part of a local disaster readiness plan after an earthquake?
A. Ignore any damage to your home and continue with daily activities
B. Use mobile phones only to call for emergency services and avoid overloading the network
C. Gather personal items like clothes and food to evacuate immediately
D. Wait for instructions from the government even if you are in immediate danger

26. What is the best action to take if you are outside during an earthquake?
A. Seek shelter in a nearby building as quickly as possible
B. Lie down and stay close to the ground until the shaking stops
C. Move away from buildings, trees, streetlights, or any structures that could fall
D. Stand still and wait for the shaking to stop without moving

27. What happens to most of the energy from the Sun when it reaches Earth's atmosphere?
A. It is absorbed by the Earth's surface
B. It is reflected back into space
C. It is converted into heat and light by the atmosphere
D. It is used by the clouds to produce rain

28. How does the Earth's atmosphere help regulate the energy from the Sun?
A. By reflecting all sunlight back into space
B. By trapping some of the Sun's heat, keeping Earth warm
C. By converting sunlight into oxygen
D. By blocking all solar radiation

29. Which of the following is the process where the Earth's atmosphere absorbs and re-
radiates heat energy from the Sun?
A. Reflection
B. Absorption
C. Greenhouse Effect
D. Evaporation

30. What role do clouds play in the interaction between sunlight and the atmosphere?
A. Clouds absorb most of the sunlight and prevent it from reaching the Earth's surface
B. Clouds reflect some of the sunlight back into space and trap heat near the surface
C. Clouds increase the amount of energy absorbed by the atmosphere
D. Clouds have no effect on sunlight reaching Earth

31. How does the Earth's atmosphere help protect the surface from harmful solar radiation?
A. By absorbing harmful ultraviolet (UV) radiation
B. By reflecting all sunlight
C. By preventing clouds from forming
D. By trapping the Sun's energy at the surface

32. Which layer of the Earth's atmosphere is primarily responsible for absorbing and
scattering solar radiation?
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere

33. How does solar energy contribute to the formation of land and sea breezes?
A. Solar energy heats the land and sea at the same rate, creating no difference in air
pressure.
B. Solar energy heats the land faster than the sea, causing warm air to rise over the land
and cool air to move in from the sea.
C. Solar energy cools the land faster than the sea, causing cool air to rise over the land and
warm air to move in from the sea.
D. Solar energy does not play a role in land and sea breezes.

34. What is the primary cause of monsoons?

A. Solar energy causes consistent heating of the oceans and land throughout the year.
B. The Earth's tilt creates seasonal changes in the amount of solar energy reaching different
regions.
C. Solar energy causes a shift in wind patterns, bringing heavy rainfall to certain areas
during the summer.
D. Solar energy cools the land and oceans, leading to a reversal of winds.

35. Which of the following is a characteristic of the Intertropical Convergence Zone (ITCZ)?
A. It is a region of high pressure where the trade winds meet and warm air rises due to
solar heating.
B. It is a zone of low pressure where cool air from the poles meets and causes a stormy
climate.
C. It is located near the poles and is characterized by low solar radiation.
D. It is a zone where solar energy is least effective in driving wind patterns.

36. How does solar energy influence the formation of the monsoon winds in Asia?
A. Solar energy cools the land during the summer, leading to the shift in wind patterns.
B. Solar heating causes air over the land to rise, creating a vacuum that pulls moist air from
the ocean, leading to heavy rainfall.
C. Solar energy causes ocean temperatures to increase, preventing rainfall during the
monsoon season.
D. Solar energy has no effect on the monsoon winds.

37. How does the solar heating of the Earth affect the Intertropical Convergence Zone
(ITCZ)?
A. Solar heating creates a high-pressure zone where air moves downward, causing clear
skies and dry conditions.
B. Solar heating causes the ITCZ to shift closer to the poles during the winter months.
C. Solar energy causes warm air to rise at the equator, creating a low-pressure zone and
leading to frequent rainfall.
D. Solar energy does not influence the ITCZ.

38. How does the difference in solar heating between land and sea contribute to the
formation of sea breezes?
A. The sea heats up faster than land, causing cooler air to rise over the sea.
B. The land heats up faster than the sea, causing warm air to rise over the land and cooler
air to move from the sea to the land.
C. The sea and land heat at the same rate, so no breeze is formed.
D. Solar heating has no effect on the formation of sea breezes.

39. What is the effect of the Earth's tilt on the intensity of sunlight in different regions of the
planet during the year?
A. The tilt causes all regions to receive the same amount of sunlight throughout the year.
B. The tilt causes the Sun to shine directly on different areas at different times of the year,
making some regions receive more sunlight.
C. The tilt has no effect on the amount of sunlight reaching the Earth.
D. The tilt causes the Earth to receive less sunlight overall.

40. How does the tilt of the Earth affect the length of daytime at different times of the year?
A. The length of daytime changes depending on which hemisphere is tilted toward the Sun.
B. The length of daytime is the same all year round.
C. The length of daytime increases as the Earth moves further from the Sun.
D. The tilt does not affect the length of daytime.

41. During the summer solstice in the Northern Hemisphere, what happens to the intensity
of sunlight received?
A. The Northern Hemisphere receives the least amount of sunlight.
B. The Northern Hemisphere receives equal sunlight with the Southern Hemisphere.
C. The Northern Hemisphere receives the most direct sunlight, making it summer.
D. The Northern Hemisphere experiences no sunlight during this time.

42. How can a model of Earth’s tilt help demonstrate the changes in the length of daytime
throughout the year?
A. The model shows how Earth moves around the Sun in a perfect circle, keeping daylight
consistent.
B. The model demonstrates how the Sun moves in the sky in a straight line across the
equator.
C. The model shows that the Earth’s tilt does not affect the length of daytime at all.
D. The model illustrates how the tilt of Earth causes some areas to receive more direct
sunlight during certain parts of the year.

43. Which of the following best explains why the Southern Hemisphere experiences summer
while the Northern Hemisphere experiences winter around December?
A. The Southern Hemisphere is closer to the Sun than the Northern Hemisphere.
B. The Northern Hemisphere is tilted away from the Sun, receiving less direct sunlight.
C. The Earth is farthest from the Sun during December.
D. Both hemispheres receive the same amount of sunlight.
44. If you were to create a model to show how the Earth’s tilt affects the length of the day,
which of the following would be the best approach?
A. A model with a tilted Earth showing longer daylight hours in the summer and shorter
ones in the winter.
B. A model with a fixed, upright Earth showing equal daylight hours every month.
C. A model with an Earth that never tilts, showing no change in the length of day.
D. A model with Earth tilted away from the Sun at all times.

45. How does the tilt of the Earth affect the amount of solar energy received by different
areas over the course of a year?
A. The tilt causes all areas of Earth to receive the same amount of solar energy every day.
B. The tilt prevents solar energy from reaching the poles during winter.
C. The tilt causes certain areas to receive more solar energy at different times of the year,
leading to seasons.
D. The tilt causes all regions to have a constant amount of solar energy, regardless of the
season.

46. How can a physical model of Earth’s tilt help explain seasonal changes in sunlight
intensity?
A. By showing how Earth’s orbit is a perfect circle, ensuring even sunlight distribution.
B. By demonstrating how the tilt causes regions to face the Sun more directly during certain
times of the year, increasing the intensity of sunlight.
C. By showing that sunlight intensity is the same everywhere, regardless of the tilt.
D. By showing that the tilt only affects the poles, not the equator.

47. In which season does the Northern Hemisphere receive the most direct sunlight due to
the Earth’s tilt?
A. Winter
B. Spring
C. Summer
D. Autumn

48. How does solar energy contribute to the formation of land and sea breezes?
A. Solar energy causes the oceans to become cooler than the land, making air move from
the land to the sea.
B. Solar energy causes the land to heat up faster than the sea, creating air pressure
differences that drive air from the sea to the land.
C. Solar energy has no effect on land and sea breezes.
D. Solar energy heats up both land and sea at the same rate, leading to no difference in air
movement.

49. How does solar energy contribute to the formation of monsoons?

A. Solar energy heats the land and causes air to rise, pulling in moisture from the ocean and
leading to heavy rainfall.
B. Solar energy cools the air, preventing moisture from rising and causing droughts.
C. Solar energy makes the ocean water hotter than the land, leading to drier conditions.
D. Solar energy has no effect on monsoon formation.

50. How does the Intertropical Convergence Zone (ITCZ) relate to the Sun's energy and the
Earth's tilt?
A. The ITCZ is a region of low pressure near the poles where cold air converges.
B. The ITCZ forms because of the Earth's tilt, where solar energy heats the air near the
equator, causing it to rise and create a low-pressure zone.
C. The ITCZ is not influenced by the Sun’s energy, but by ocean currents.
D. The ITCZ remains stationary, regardless of the Earth’s tilt or position relative to the Sun.
ANSWER KEYS:

1. C
2. A
3. B
4. D
5. A
6. C
7. B
8. B
9. C
10. B
11. B
12. A
13. C
14. D
15. B
16. A
17. B
18. A
19. A
20. B
21. B
22. A
23. A
24. D
25. B
26. C
27. A
28. B
29. C
30. B
31. A
32. B
33. B
34. C
35. A
36. B
37. C
38. B
39. B
40. A
41. C
42. D
43. B
44. A
45. C
46. B
47. C
48. B
49. A
50. B