Question 1

Which of the following intensity scale is the most widely used?

Accepted Answer

Modified Mercalli Scale

Answer

Body Wave Magnitude Scale

Answer

Richter Scale

Answer

Moment Magnitude Scale

Question 2

Which of the following statements does NOT explain the difference between magnitude and intensity of an earthquake?

Accepted Answer

Magnitude is expressed using Roman Numerals while intensity is expressed using Hindu-Arabic numerals.

Answer

Magnitude measures the energy released while intensity measures theseverity of shaking.

Answer

Magnitude is written in Hindu-Arabic numerals while intensity is measured in Roman Numerals.

Answer

Magnitude measures size or strengths of an earthquake while intensity documents an earthquake’s damage.

Question 3

Which likely to happen as the waves travel deeper into the mantle of the Earth?

Accepted Answer

S-waves are refracted

Answer

P- waves create shadow zone

Answer

S- waves penetrate the molten mantle

Answer

P-waves are refracted

Question 4

What causes seismic waves to travel in curved paths?

Accepted Answer

Refraction

Answer

Diffraction

Answer

Reflection

Answer

Attraction

Question 5

A type of fault which shows both dip-slip and strike-slip motion iscalled _______.

Accepted Answer

oblique-slip fault

Answer

normal fault

Answer

strike-slip fault

Answer

reverse fault

Question 6

It refers to the rock’s zone of weakness where the breaking of the rocks starts.

Accepted Answer

focus

Answer

hanging wall

Answer

fault

Answer

foot wall

Question 7

What instrument is used to measure the amount of energy released by an Earthquake?

Accepted Answer

Seismogram

Answer

Stenograph

Answer

Microscope

Answer

Seismograph

Question 8

Which of the following is NOT the basis used by Earth scientists in classifying faults?

Accepted Answer

The occurrence of earthquakes along the faults.

Answer

The type of force that causes the movement.

Answer

The direction of slip along the fault.

Answer

The angle of the fault with respect to the surface.

Question 9

Which of the following does NOT describe the Rayleigh waves?

Accepted Answer

It vibrates side to side

Answer

It has the longest duration

Answer

It produces elliptical motion

Answer

It is most frequently felt

Question 10

Primary waves can pass through on what type of material?

Accepted Answer

both solid and liquid

Answer

solid only

Answer

neither solid nor liquid

Answer

liquid only

Question 11

What type of faulting is illustrated in this diagram?

Accepted Answer

normal fault

Answer

reverse fault

Answer

thrust fault

Answer

strike -slip fault

Question 12

Which of the following describes the build-up and release of stress during an earthquake?

Accepted Answer

Elastic Rebound Theory

Answer

Modified Mercalli Scale

Answer

Principle of Superposition

Answer

Travel Time Difference

Question 13

How do scientists find out if a fault is either active or inactive?

Accepted Answer

Scientists are studying the vibrations, past, and present that comes from faults.

Answer

Scientists gather information from fossils and other ancient rocks.

Answer

Scientists use meteorological observation and astronomical data.

Answer

Scientists check the country’s historical records about destructive events such as typhoons.

Question 14

A reverse fault is called __________ if the dip of the fault plane is small.

Accepted Answer

thrust fault

Answer

tensional fault

Answer

wrench fault

Answer

transcurrent fault

Question 15

The fault motion of a strike-slip fault is caused by __________.

Accepted Answer

shearing forces

Answer

compressional forces

Answer

gravity force

Answer

tensional forces

Question 16

The diagram below shows the path of which type of seismic wave through the Earth?

Accepted Answer

Secondary wave

Answer

Surface wave

Answer

Love wave

Answer

Primary wave

Question 17

What major fault line runs through Metro Manila?

Accepted Answer

West Valley Fault

Answer

Central Philippine Fault

Answer

Western Philippine Fault

Answer

Eastern Philippine Fault

Question 18

Which of the following explains the statements below?

I. Body waves are vibrations which may inflict great damage to properties.

II. Body waves are vibrations that travel through the interior of the Earth.

Accepted Answer

The first statement is false and the second is true

Answer

The first statement is true and the second is false

Answer

Both statements are true

Answer

Both statements are false

Question 19

Which best explains the difference between body waves and surface waves?

Accepted Answer

Body waves travel throughout the interior of the Earth while surface waves travel along the surface.

Answer

Body waves are considered primary while surface waves are secondary waves.

Answer

Body waves are destructive than surface waves.

Answer

Body waves vibrates up and down while surface waves vibrate sideways motion.

Question 20

Epicenter is the point on the earth’s surface that is vertically above the focus.

At what point is the epicenter of an earthquake located?

Accepted Answer

Point B

Answer

Point C

Answer

Point A to C

Answer

Point A

Question 21

You heard from the news that the earthquake has an energy of 7.6. Which of the following is the correct term to be used to describe the energy of 7.6?

Accepted Answer

Magnitude

Answer

Force

Answer

Power

Answer

Intensity

Question 22

It is the fastest and the first being detected by the seismic stations.

Accepted Answer

P-waves

Answer

Both P and S waves

Answer

S- waves

Answer

Neither of the two

Question 23

Based on evidences on seismic waves movement, why is the outer core considered as liquid states of matter?

Accepted Answer

Because S waves are blocked in this layer that formed shadow zone

Answer

Because primary waves that travel fast were detected on this layer

Answer

Because it has very active fault line

Answer

Because it has varied densities, pressure and change in temperatures

Question 24

In what condition do typhoons form?

Accepted Answer

It needs a water vapor and requires warm water from the ocean.

Answer

It forms on high mountains.

Answer

It forms at the north and south poles.

Answer

It needs a water vapor over flat areas of land.

Question 25

Based on the track of typhoon Ompong last September 2018, at what time and date does Ompong enters the Philippine Area of Responsibility?

Accepted Answer

8 AM, September 13

Answer

8 AM, September 14

Answer

8 AM, September 11

Answer

8 AM, September 15

Question 26

Why do tropical cyclones keep on developing near our country?

Accepted Answer

Because it is warm near our country, both on land and in the surrounding bodies of water.

Answer

Because the land and water have different temperature.

Answer

Because the land and water vary in different size.

Answer

Because our country is rich in resources.

Question 27

Refer to the data of tropical cyclone below. How do tropical cyclones are categorized from the given data?

Accepted Answer

speed of the wind

Answer

number of places it may pass

Answer

floods and landslides that may come up

Answer

strong rains

Question 28

Which of the following best describes the temperature of the ocean in the vicinity of the Philippines?

Accepted Answer

Warm because our country is located near the equator.

Answer

Warm because there is summer.

Answer

Cold because of the moist air.

Answer

Cold because we are away from the equator.

Question 29

Refer to the data of tropical cyclone with maximum wind speed in kilometers per hour (kph) below. When can we say that there’s a super typhoon?

Accepted Answer

When the wind speed is greater than 220 kph.

Answer

When the wind speed is less than 61 kph.

Answer

When the wind speed is 118 kph.

Answer

When the wind speed is 200 kph.

Question 30

The air pressure and wind speed on the eye of the tropical cyclone is lesser. So, in part of the eyewall, it is __________.

Accepted Answer

greater

Answer

lesser

Answer

the same

Answer

unequal

Question 31

Tropical cyclone in the Philippines is locally known as __________.

Accepted Answer

bagyo

Answer

harmattan

Answer

chinook

Answer

anticyclone

Question 32

Which of the following are used as coordinate system to determine a certain location on the globe?

Accepted Answer

Both latitude and longitude

Answer

Global positioning system

Answer

Latitude

Answer

Longitude

Question 33

Which of the following best describes PAGASA?

Accepted Answer

It is the agency that monitors and tracks tropical cyclones to help people become prepared.

Answer

It is a government body assigned to help people in need especially during times of typhoon disasters.

Answer

It is a private institution that seeks moral and mental support during times of crisis.

Answer

It means Philippine Atmospheric Geophysical Astrological Services Administration.

Question 34

Which of the following statements best describes Philippine Area of Responsibility?

Accepted Answer

It is an area in Northwest Pacific region where PAGASA observes tropical cyclones.

Answer

It is an agency that monitors and tracks tropical cyclone.

Answer

It is an area inside the Philippines that frequently encounters weather disturbances.

Answer

It tells where the territories of the Philippines are.

Question 35

These are warning signals issued by PAGASA because of an incoming weather disturbance.

Accepted Answer

Public Storm Warning Signal

Answer

Public Typhoon Warning Signal

Answer

Public Weather Warning Signal

Answer

Public Cyclones Warning Signal

Question 36

In what way do landmasses and bodies of water affect typhoon?

Accepted Answer

Landmasses lessen the strength of typhoon and bodies of water provide heavy rainfall.

Answer

Both provide heavy rainfall and wind speed.

Answer

Both lessen the power of typhoons when the winds impact them.

Answer

Bodies of water lessen the strength of typhoon and landmasses provide heavy rainfall.

Question 37

This interplanetary object is found between the planets Mars and Jupiter.

Accepted Answer

asteroid

Answer

moon

Answer

meteor

Answer

comet

Question 38

Which characteristic is common among comets, meteoroids and asteroids?

Accepted Answer

They vary in sizes, shapes and compositions.

Answer

They can be seen with the naked eyes.

Answer

They are made up of gases and rocks.

Answer

They originate beyond our solar system.

Question 39

Why do meteors appear as a streak of light across the night sky?

Accepted Answer

As matter in the Solar System falls into the Earth's atmosphere it creates friction with the air resulting to temporary incandescence.

Answer

Matter in the outer space like meteor has its own light like the stars.

Answer

Meteors like the moon, reflect light from the sun.

Answer

Meteors glow when viewed using a telescope.

Question 40

Which small solar system body originates in the Oort Cloud, or in the Kuiper belt?

Accepted Answer

comet

Answer

meteor

Answer

asteroid

Answer

planet

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