Second Quarter Science 8 Pretest

Quiz by Rhodalia Salamat

Science

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S8ES-IIa-15
S8ES-IIa-14
S8ES-IIc-17
S8ES-IIf-21
S8ES-IIg-22

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40 questions
• Q1

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

focus

hanging wall

foot wall

fault

60s
S8ES-IIa-15
• Q2

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

Principle of Superposition

Elastic Rebound Theory

Travel Time Difference

Modified Mercalli Scale

60s
S8ES-IIa-14
• Q3

What major fault line runs through Metro Manila?

Central Philippine Fault

Eastern Philippine Fault

West Valley Fault

Western Philippine Fault

60s
S8ES-IIa-14
• Q4

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

tensional forces

compressional forces

shearing forces

gravity force

60s
S8ES-IIa-14
• Q5

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?

Force

Intensity

Power

Magnitude

60s
S8ES-IIa-15
• Q6

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

Scientists gather information from fossils and other ancient rocks.

Scientists use meteorological observation and astronomical data.

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

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

60s
S8ES-IIa-15
• Q7

What type of faulting is illustrated in this diagram?

normal fault

thrust fault

strike -slip fault

reverse fault

60s
S8ES-IIa-14
• Q8

As the waves travel deeper into the mantle of the Earth, which likely tohappen?

S-waves are refracted

S- waves penetrate the molten mantle

P-waves are refracted

60s
S8ES-IIc-17
• Q9

It is an instrument used to measure the amount of energy released by an Earthquake.

Seismograph

Microscope

Seismogram

Stenograph

60s
S8ES-IIc-17
• Q10

A type of fault which shows both dip-slip andstrike-slip motion is called _______.

normal fault

oblique-slip fault

strike-slip fault

reverse fault

60s
S8ES-IIa-14
• Q11

Which of the following statements does NOT explain the difference of earthquake’s magnitude and intensity?

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

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

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

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

60s
S8ES-IIa-15
• Q12

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

The type of force that causes the movement.

The occurrence of earthquakes along the faults.

The angle of the fault with respect to the surface.

The direction of slip along the fault.

60s
S8ES-IIa-14
• Q13

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?

Point A

Point B

Point C

Point A to C

60s
S8ES-IIa-15
• Q14

Which of the following does NOT describe the Rayleigh waves?

It produces elliptical motion

It has the longest duration

It vibrates side to side

It is most frequently felt

60s
S8ES-IIc-17
• Q15

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.

Both statements are true

The first statement is false and the second is true

Both statements are false

The first statement is true and the second is false

60s
S8ES-IIc-17

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