Question 1

Which of the following statements explains how a fault is formed?

Accepted Answer

Fault is formed in the Earth's crust as a brittle response to stress. Generally, the movement of the tectonic plates provides the stress, and rocks at the surface break in response to this.

Answer

Fault is formed from the movement of the mountains, and rocks at the surface break in response to this.

Answer

Fault is formed in the Earth's core as a response to stress. Generally, the movement of the continental plates provides the stress, and rocks at the surface break in response to this.

Answer

Fault is formed from the movement of the water from the sea, and rocks at the coastal areas break in response to this.

Question 2

What type of fault is illustrated in the image below?

Accepted Answer

Normal Fault

Answer

Left-lateral strike slip

Answer

Reverse Fault

Answer

Right-lateral strike slip

Question 3

Which of the following causes the folding and thickening of the earth's crust?

Accepted Answer

Compression

Answer

Shearing

Answer

Parallel

Answer

Tension

Question 4

Which of the following statements best describe the effects of bending of rocks in a fault?

Accepted Answer

The rocks bend as stress is put on them, as stress increases, the rocks break free, a sudden release of stress in the lithosphere causes an earthquake.

Answer

The rocks bend as stress is put on them, as stress decreases, causing an earthquake.

Answer

The rocks bend as stress is put on them, as stress decreases, the rocks break free.

Answer

The rocks burst as stress is put on them, as stress increases, the rocks break and stop moving.

Question 5

In general, the shallow-focus earthquakes cause mass destruction than deep-focus earthquakes because the seismic waves travel at a shorter distance from the focus to the surface. Which of the following is not true of the focus of an earthquake?

Accepted Answer

It is above the epicenter.

Answer

It is the starting point of the earthquake

Answer

It is where the first movement takes place.

Answer

It is where the first break in the rock happens.

Question 6

Which of the following is a difference between a focus and epicenter?

Accepted Answer

The focus is where an earthquake originates, the epicenter is the spot directly above the focus.

Answer

The focus is on the surface while an epicenter is underneath the focus.

Answer

The focus is found along the fault line while an epicenter is anywhere on the fault plane.

Answer

The focus is a flat surface while an epicenter is the geometrical center of the earth.

Question 7

What intensity of the earthquake based on the PHIVOLCS intensity scale is slightly felt?

Accepted Answer

Intensity II

Answer

Intensity III

Answer

Intensity IV

Answer

Intensity I

Question 8

More than 1,000 are killed when a 7.7-magnitude and a maximum Mercalli intensity of IX strikes Luzon Island in the Philippines on this day in 1990. The massive tremor wreaked havoc across a sizeable portion of Luzon, the country's largest island with Baguio City suffering the most effects. The epicenter of the quake, which struck at 4:26 pm., was North of Manila in the Nueva Ecija province. Reports indicate that the shaking went on for nearly a full minute. Collapsing buildings were the main cause of damage and death. Getting out of a multi-story building was a good safety precaution that afternoon, although many people were injured and a few even died in stampedes of others doing the same thing. (Source: www.history.com/this-day-in-history/earthquake-wreaks-havoc-in-the-philippines)

Which corresponds to the measurement of the maximum motion recorded by a seismograph?

Which of the following refers to the area in the Philippines that is vertically above the focus during the 1990 earthquake?

Accepted Answer

Nueva Ecija

Answer

Manila

Answer

Baguio City

Answer

Quezon City

Question 9

More than 1,000 are killed when a 7.7-magnitude and a maximum Mercalli intensity of IX strikes Luzon Island in the Philippines on this day in 1990. The massive tremor wreaked havoc across a sizeable portion of Luzon, the country's largest island with Baguio City suffering the most effects. The epicenter of the quake, which struck at 4:26 pm., was North of Manila in the Nueva Ecija province. Reports indicate that the shaking went on for nearly a full minute. Collapsing buildings were the main cause of damage and death. Getting out of a multi-story building was a good safety precaution that afternoon, although many people were injured and a few even died in stampedes of others doing the same thing. (Source: www.history.com/this-day-in-history/earthquake-wreaks-havoc-in-the-philippines)

Which corresponds to the measurement of the maximum motion recorded by a seismograph?

Accepted Answer

7.7 Magnitude

Answer

No Data available

Answer

4:26 PM

Answer

Intensity IX

Question 10

___________is a fault that has NOT moved over the last 10,000 years

Accepted Answer

inactive fault

Answer

earthquakes

Answer

active fault

Answer

tsunamis

Question 11

Why do seismic waves bend through the Earth’s layers?

Accepted Answer

Seismic waves travel its curving path through the earth due to changes in composition, pressure, and temperature within the layers of the Earth.

Answer

Seismic waves move in a curving path more slowly through a liquid than a solid.

Answer

Seismic waves travel its curving path at different speeds through different materials.

Answer

The density of materials on the earth layer varies, the denser a material is, the faster a seismic wave travels in its curving path.

Question 12

What can you infer about the S-waves on this diagram?

Accepted Answer

S-waves can travel only through solids.

Answer

S-waves propagate through liquids and gases.

Answer

S-waves travel slower as they go deeper into the mantle.

Answer

S-waves travel through liquid materials.

Question 13

Which of the following diagram shows how the P-waves travel?

Accepted Answer

https://uploads.quizalize.com/a565da66-174c-48f2-9feb-2bd2e4d386e2/question/d251d5bf08b8f6eb1fd6b2b7f95a2514f75564f8.png

Answer

https://uploads.quizalize.com/a565da66-174c-48f2-9feb-2bd2e4d386e2/question/792a2e3176bd5d372852ee6c41ce2c0a3c57a4fe.png

Answer

https://uploads.quizalize.com/a565da66-174c-48f2-9feb-2bd2e4d386e2/question/370b6372b9e5250716689f0becbc5b079e72bd0c.png

Answer

https://uploads.quizalize.com/a565da66-174c-48f2-9feb-2bd2e4d386e2/question/600798a55f9f253ba4932215ea393a8d3c32f989.png

Question 14

Which statement is TRUE about s- waves?

Accepted Answer

These are the shake waves that move the ground up and down or from side to side.

Answer

The waves can travel through solids, liquids, and even gases.

Answer

They are the first type of wave to arrive at seismic recording stations.

Answer

They cause the ground to compress and expand.

Question 15

What evidence helps scientists best to understand the composition of the Earth's internal structure?

Accepted Answer

Earthquake analysis

Answer

Volcanic activity

Answer

Atmospheric composition

Answer

Calculating earth's density by its mass and weight

Question 16

Which BEST describes a typhoon?

Accepted Answer

An intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain.

Answer

A typhoon is a tropical cyclone that develops between 180∘ and 100∘ East of the Pacific Northwest Basin.

Answer

A Typhoon is an intense area of low atmospheric pressure.

Answer

Typhoon is a low-pressure weather system with sustained wind speeds near its center of at least 56 knots (about 105 kph).

Question 17

Arrange the following in a correct sequence how a tropical cyclone forms.

I. The winds rotate, or spin, around a center called an eye.

II. The warm wind collects moisture and rise, while colder air moves in below.

III. Warm and cold winds collide and create pressure, which causes the winds to move very quickly.

IV. Winds blow into areas of the ocean where the water is warm.

Accepted Answer

IV,II,III and I

Answer

II, III, IV and I

Answer

III, II, I and IV

Answer

IV, II, I and III

Question 18

Which wind speed describes a tropical storm?

Accepted Answer

61 km/h or less

Answer

89-117 km/h

Answer

62-88 km/h

Answer

118 -220 km/h

Question 19

What do we expect when a typhoon comes?

Accepted Answer

Heavy rains, strong winds, floods

Answer

Strong winds and increase in temperature

Answer

Heavy rains, strong winds, decreases water level

Answer

Heavy rains, strong winds, the soil starts to dry

Question 20

What part of the typhoon has the calmest condition?

Accepted Answer

Eye

Answer

Eye wall

Answer

The same

Answer

Unequal

Question 21

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

The same

Answer

Lesser

Answer

Unequal

Question 22

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

Accepted Answer

Landmasses lessen the strength of typhoons, 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 typhoons, and landmasses provide heavy rainfall.

Question 23

Why do typhoons weaken when they landfall?

Accepted Answer

Not enough moisture will supply its energy.

Answer

The landmasses provide enough water vapor to reduce the wind speed of typhoons.

Answer

The temperature in the land is warmer than on the surface of the water.

Answer

The temperature of the land is cooler which reduces the energy of the typhoon.

Question 24

Study the track of Typhoon Ursula below.

What part of the Philippines is most affected by Typhoon Ursula?

Accepted Answer

Provinces in Visayas

Answer

Provinces in Mindanao

Answer

Provinces in Northern Luzon

Answer

All provinces near Palawan including Metro Manila.

Question 25

Study the track of Typhoon Ursula below.

When did Typhoon Ursula leave the PAR (Philippine Area of Responsibility)

Accepted Answer

5 PM 28, December 2019

Answer

5 PM 24, December 2019

Answer

5 PM 25, December 2019

Answer

5 PM 27, December 2019

Question 26

Why are Public Storm Warning Signals in a certain place change from time to time?

Accepted Answer

Tropical cyclones are moving thus locality being affected also changes.

Answer

Wind speed of the tropical cyclones makes the warning signals become higher.

Answer

People becomes more prepared over time that downgrades the signal number.

Answer

Warning signals are based on the place affected by the typhoons.

Question 27

Which of the following is the distinct feature of comet?

Accepted Answer

It is a dirty snowball in the sky.

Answer

It also originates in the asteroid belt.

Answer

It is a remnant of asteroid collision.

Answer

It has a solid and metallic core.

Question 28

If you observed the night sky, how will you differentiate a meteor from a comet?

Accepted Answer

Meteor is a streak of light in the sky while comets have a longer and diffuse tail.

Answer

Meteors and comets are similar as they appear in the night sky, and we can only distinguish them from one another when we used a telescope in observing them.

Answer

The meteor lasts longer in the sky while comets can only be observed in seconds.

Answer

There is only one meteor that can be observed in a specific time while comets appear in groups passing through the night sky.

Question 29

What is most likely to happen to a meteor when it passes through the earth’s atmosphere?

Accepted Answer

It burns up due to the friction between the air molecules and its surface.

Answer

It causes fire in the exosphere.

Answer

It melts due to the hot temperature of gases in the atmosphere.

Answer

It accumulates dust particles increasing its size.

Question 30

This is a crater caused by the meteorite that survived the earth’s atmosphere. What can you infer from this picture?

Accepted Answer

It causes the deformation of land masses and affects the life of organisms in the surroundings.

Answer

It makes a huge ocean basin for diversity of marine organisms.

Answer

It can be used to understand more the biodiversity on earth.

Answer

It creates new landscape and starts new ecosystems.

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