Question 1

1. Which of the following statement is true about earthquake?

Accepted Answer

A. Faults form as the Earth’s crust deforms due to stress.

Answer

C. The earth’s crust is unbroken even if there are compressions and tensions.

Answer

B. Earthquake is a matter of it and not a matter of when

Answer

D. Tectonic plates do not move if rocks are stretched, compressed or crushed.

Question 2

2. Which is correctly matched?

Accepted Answer

B. normal fault – the hanging wall moves downward

Answer

D. oblique-slip fault – walls move horizontally in opposite directions.

Answer

A. strike-slip fault – the hanging wall moves upward.

Answer

C. reverse fault – walls move sideways not up or down

Question 3

3. Which of the following forces will happen when rocks are pulled away from each other?

Accepted Answer

D. tension

Answer

B. parallel

Answer

C. shearing

Answer

A. compression

Question 4

4. Which refers to the origin of the earthquake?

Accepted Answer

D. focus

Answer

B. fault

Answer

C. fault plane

Answer

A. epicenter

Question 5

5. Which statement best describes a fault plane?

Accepted Answer

D. It is the flat surface along which there is slip during an earthquake.

Answer

A. It is the location where the fault begins to slip.

Answer

B. It is the area where layers of rocks break into two.

Answer

C. It is the trace of the fault on the surface of the Earth.

Question 6

6. Which is correct about focus and epicenter

Accepted Answer

D. Epicenter is in the surface of the earth that is directly above the focus.

Answer

B. Epicenter is the point where the focus of the earthquake originates.

Answer

A. Epicenter is also called hypocenter or focus.

Answer

C. Epicenter is in the surface of the earth that is directly below the focus.

Question 7

7. How do magnitude and intensity differ?

Accepted Answer

D. Magnitude is a quantitative measure of the energy released during the earthquake while intensity is a qualitative measure of the strength of the earthquake at a certain location.

Answer

B. Magnitude uses Roman numerals (I, II, III), whereas intensity uses Hindu-Arabic numerals (2, 3, 4).

Answer

C. Magnitude is determined by observing the effects of the earthquake in people and places while intensity is calculated by the scientists based on earth’s released energy.

Answer

A. Magnitude is determined by using Rossi-Forel Scale while intensity is   measured by seismographs.

Question 8

8. When an earthquake occurs, different places experience different intensities. When an earthquake happens, where should shaking be greater?

Accepted Answer

A. near the epicenter

Answer

D. right of the epicenter

Answer

B. away from the epicenter

Answer

C. left of the epicenter

Question 9

9. Which refers to the fault that generated earthquakes within 10,000 years and is capable of moving again?

Accepted Answer

A. active fault

Answer

B. inactive fault

Answer

C. normal fault

Answer

D. reverse fault

Question 10

10. How do you call the 1200 km fault zone in the country that moves across the archipelago?

Accepted Answer

B. Philippine Fault Zone

Answer

D. Valley Fault System

Answer

A. Central Marinduque Fault

Answer

C. Lubang Fault

Question 11

11. Which fault system runs in Metro Manila?

Accepted Answer

D. Valley Fault System

Answer

B. Digdig Fault

Answer

C. Lubang Fault

Answer

A. Casiguran Fault

Question 12

12. Scientists use different ways to find out if a fault is active. Which of following ways are helpful in studying faults?         I. Checking the country’s historical records.          II. Studying vibrations that come from faults             III. Collecting rock samples from bodies of water.            IV. Studying the strength of soil and flow of water.

Accepted Answer

A. I and II

Answer

B. I and III

Answer

C. II and IV

Answer

D. III and IV

Question 13

13. What is the relationship between the densities of the earth’s crust with the speed of seismic waves?

Accepted Answer

B. The greater the density of the earth’s crust, the slower the seismic wave moves.

Answer

A. The greater the density of the earth’s crust, the faster the seismic wave moves.

Answer

D. As the seismic wave travels to the liquid part of the crust, the density does not change but the speed of the seismic wave increases.

Answer

C. The speed of the seismic wave does not change with respect to the changes in density of the crust.

Question 14

14. Why does tsunami not always occur when there is earthquake?

Accepted Answer

D. Because the fault movement underwater maybe in horizontal direction or sideways?

Answer

A. Because the focus is always located underwater.

Answer

B. Because land earthquakes are connected to underwater earthquakes

Answer

C. Because the magnitude of an earthquake needs to be 6.5 and above.

Question 15

15. Which statement does not correctly describe tsunami?

Accepted Answer

B. Tsunami has short wavelength which is usually 5 to 10 meters in length.

Answer

A. Tsunami is a series of waves travelling across the ocean.

Answer

C. As tsunami moves into shallow water, the height of the wave increases.

Answer

D. Tsunami happens due to a sudden displacement of a large body of water.

Question 16

16. How is primary wave related to secondary wave?

Accepted Answer

B. They are both body waves that travel through earth’s interior.

Answer

C. They are both surface waves that can move in the surface of the earth.

Answer

A. They are both travelling through the crust of the earth.

Answer

D. They are both having lesser frequency than Love wave and Rayleigh wave

Question 17

17. Which is the strongest evidence that the outer core of the earth is liquid?

Accepted Answer

C. S-waves disappear as they move through the outer core.

Answer

D. P-waves disappear as they move through the outer core.

Answer

B. S-waves speed up as they move through the outer core.

Answer

A. P-waves are transmitted through the outer core.

Question 18

18. How do typhoons develop?

Accepted Answer

B. Typhoons develop from the rising of warm, moist air over the ocean causing an area of lower air pressure below.

Answer

D. Typhoons develop during rainy seasons due to the abundance of water vapour in the clouds which strengthens the wind speed.

Answer

C. Typhoons develop beneath the cumulonimbus clouds where swirling wind goes down to pick moisture from the sea.

Answer

A. Typhoons develop from equal heating of the earth’s surface resulting in the convection of moist air.

Question 19

19. What is the difference among typhoon, cyclone and hurricane?

Accepted Answer

D. The storms are the same but these names are used in the Western Pacific, North America and near the Indian Ocean, respectively.

Answer

A. Typhoons are strong storms, cyclones are worse and hurricanes are the strongest of all.

Answer

B. Hurricanes and typhoons spin clockwise; and cyclones spin counter clockwise

Answer

C. Typhoons happen near the equator, hurricanes in the mid-latitudes and cyclones are in the arctic and antarctic.

Question 20

20. What is the relationship between the bodies of water surrounding the country and typhoon?

Accepted Answer

B. The bodies of water are breeding grounds of typhoon.

Answer

C. The bodies of water make the country experience cloudy skies.

Answer

D. The bodies of water always bring rainy seasons to the Philippines.

Answer

A. The bodies of water bring bad weather to the country.

Question 21

21. What is the average number of typhoons that enter the Philippine Area of Responsibility each year?

Accepted Answer

C. 20

Answer

B. 15

Answer

D. 30

Answer

A. 10

Question 22

22. Which tropical cyclone category has a maximum sustained wind of 61 kph (kilometres per hour)?

Accepted Answer

D. tropical depression

Answer

A. typhoon

Answer

B. super typhoon

Answer

C. tropical storm

Question 23

23. If the storm has a wind speed between 119 and 200 kph, in which tropical cyclone category it can be classified?

Accepted Answer

A. typhoon

Answer

C. tropical storm

Answer

D. super typhoon

Answer

B. tropical depression

Question 24

24. Why would the Philippine Atmospheric Geophysical and Astronomical Services Administration (PAG-ASA) needs to monitor the typhoon which is at 15°N, 122°E?

Accepted Answer

A. Because it is within the Philippine Area of Responsibility.

Answer

C. Because it will not reach the Philippine Area of Responsibility.

Answer

B. Because it is away from the Philippine Area of Responsibility.

Answer

D. Because it is approaching the Philippine Area of Responsibility.

Question 25

25. What happens when a typhoon entered the Philippine Area of Responsibility?

Accepted Answer

C. The typhoon is named based on the local list of names.

Answer

B. The typhoon becomes stronger.

Answer

A. The typhoon moves faster.

Answer

D. The typhoon is considered destructive as it approaches the country.

Question 26

26. Why is the Philippines prone to typhoon?

Accepted Answer

D. It is geographically located along the Pacific region near the equator.

Answer

B. It is surrounded by bodies of water with cold temperature.

Answer

C. Its tropical water collides with the high pressure weather system.

Answer

A. It has summer and rainy seasons.

Question 27

27. What is the direction of the path of typhoon that enters the Philippine Area of Responsibility?

Accepted Answer

B. northwest

Answer

A. northeast

Answer

C. southeast

Answer

D. southwest

Question 28

28. Which of the following place is rarely visited by a typhoon annually?

Accepted Answer

C. Cotabato

Answer

D. Tarlac

Answer

B. Cagayan Valley

Answer

A. Batanes

Question 29

29. Which part of the tropical cyclone has the lowest air pressure?

Accepted Answer

A. eye

Answer

D. rain bands

Answer

C. mass of clouds

Answer

B. eye wall

Question 30

30. Which part of the tropical cyclone has a great wind speed?

Accepted Answer

B. eye wall

Answer

D. rain bands

Answer

C. mass of clouds

Answer

A. eye

Question 31

31. How can you determine if the eye of the typhoon is in your area?

Accepted Answer

A. There is a calm weather.

Answer

C. There is a greater air pressure.

Answer

D. There are heavy rain and strong winds.

Answer

B. There is a great wind speed.

Question 32

32. What will happen when tropical cyclones reach land?

Accepted Answer

D. They die out because they are cut off from the warm ocean waters that keep them going.

Answer

B. They make greater air pressure and wind speed.

Answer

A. They produce tsunami.

Answer

C. They continue to create more heavy rains and strong winds.

Question 33

33. Which of the following typhoons is within the PAR?

Accepted Answer

B. Typhoon is at 21°N, 130°E

Answer

C. Typhoon is at 25°N, 140°E

Answer

D. Typhoon is at 30°N, 145°E

Answer

A. Typhoon is at 5°N, 110°E

Question 34

34. Why is there a need for PAG-ASA to regularly monitor tropical cyclones near and within the PAR?

Accepted Answer

C. to protect life and property

Answer

B. to identify the typhoon warnings

Answer

A. to provide flood warnings

Answer

D. to give public weather forecasts

Question 35

35. A huge blast was recorded in the dessert land of Egypt due to a large rock fell from the sky. Scientists found out that the object is composed of rocky fragments that contain mostly silicates and metals like iron and nickel. So they thought that the object is a fragment originated from what heavenly body?

Accepted Answer

A. asteroid

Answer

D. meteoroid

Answer

B. comet

Answer

C. meteor

Question 36

36. Which among the following tells the right origin of comet and asteroid?

Accepted Answer

D. Comet is originated from the orbit after Pluto while asteroid is from the orbit between Mars and Jupiter.

Answer

C. Comet is originated from the orbit between Mars and Jupiter while asteroid is from orbit between Neptune and Pluto.

Answer

B. Comet is originated from Oort cloud while asteroid is from Kuiper belt.

Answer

A. Comet is originated from Kuiper belt while asteroid is from Oort cloud.

Question 37

37. The presence of meteorite and impact craters hold much potential for mining industry. Which of the following elements is rich for mining industry?

Accepted Answer

B. iron

Answer

D. silicon

Answer

A. argon

Answer

C. neon

Question 38

38. Which of the following statements describe a comet?

Accepted Answer

D. dusty ball of ice with a tail of light that points away from the sun

Answer

B. caused the earthquake and tsunami

Answer

C. rocky material with iron and other metals

Answer

A. twinkles and shines with its own light

Question 39

39. What do meteors, comets and asteroids have in common?

Accepted Answer

C. They are believed to be remnants of the materials in the universe.

Answer

D. They are all livable places with potential for humans to migrate when earth gets crowded.

Answer

A. They all have atmosphere.

Answer

B. They are all round, smooth to touch, colourful and heavy.

Question 40

40. Which year will Halley’s comet pass our solar system again if it was last seen in 1986 and passes Earth every 76 years?

Accepted Answer

B. 2062

Answer

C. 2064

Answer

D. 2066

Answer

A. 2060

Question 41

41. Using the impact crater picture below, what do you think happened to the plants and animals living in the area where the comet or asteroid crashed?

Accepted Answer

B. They were destroyed.

Answer

C. They continued to exist.

Answer

D. They migrated to another area

Answer

A. They reproduced.

Question 42

42. What happens when a fragment from a comet or asteroid enters Earth’s atmosphere?

Accepted Answer

D. Comets and asteroids fragments become meteoroid then meteor.

Answer

B. Broken rock and dust from comets and asteroids disappear.

Answer

A. Comets and asteroids burn and turn into meteorite.

Answer

C. Craters will be formed from the fragments of comets and asteroids.

Question 43

43. When do comets have the largest coma and longest tail?

Accepted Answer

C. when they are nearest to the sun

Answer

A. when they are moving very fast

Answer

D. when they are farthest from the sun

Answer

B. when they are moving very slow

Question 44

44. Meteor appears as an object with a tail like a comet. How do local folks commonly name this heavenly body?

Accepted Answer

D. shooting star

Answer

C. shiny ball

Answer

A. icy object

Answer

B. rocky body

Question 45

45. Gravitation of the earth may pull minor members of the solar system. Where are the pieces of rocky and metallic materials orbiting the sun?

Accepted Answer

A. meteoroids

Answer

B. meteors

Answer

C. meteorites

Answer

D. All of the above

Question 46

46. How do meteors disappear?

Accepted Answer

C. They had friction with the earth’s atmosphere.

Answer

D. They remain as remnants of comets in the universe.

Answer

B. They collided with the sun.

Answer

A. They pass close to the sun.

Question 47

47. How does meteorite differ from meteoroid and meteor?

Accepted Answer

D. Meteorite is a chunk of rock which lands on earth’s surface.

Answer

A. Meteorite burns completely in the air.

Answer

B. Meteorite is only visible when in space.

Answer

C. Meteorite is a small chunk of rock in space.

Question 48

48. Which common belief is associated with the appearance of comet?

Accepted Answer

A. The appearance of comet foretells tragedy.

Answer

D. The appearance of comet means deformities of unborn child.

Answer

B. The appearance of comet predicts long drought.

Answer

C. The appearance of comet suggests the death of a relative.

Question 49

49. Which is the correct arrangement of meteor, meteoroid and meteorite in the diagram below?

Accepted Answer

A. 1. Meteoroid            2. Meteor              3. Meteorite

Answer

D. 1. Meteor   2. Meteorite  3. Meteoroid

Answer

C. 1. Meteorite  2. Meteor  3. Meteoroid

Answer

B. 1. Meteoroid  2. Meteorite  3. Meteor

Question 50

50. Why do meteor showers occur regularly?

Accepted Answer

C. Meteor showers occur when the earth in its orbit around the sun passes through the debris left by comets.

Answer

A. Meteor showers occur regularly due to constant collision of space debris.

Answer

D. meteor showers occur regularly because of the impact of the gravitational force of the earth on space rocks.

Answer

B. Meteor showers occur regularly due to the meteoroids that escape from their orbit.

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