Quiz about Earthquakes

Question 1

How strong an earthquake is.

Accepted Answer

magnitude

Answer

focus

Answer

epicenter

Answer

after shock

Answer

Richter Scale

Question 2

The scale on which the strength of the earthquake is measured.

Accepted Answer

Richter Scale

Answer

focus

Answer

magnitude

Answer

epicenter

Answer

after shock

Question 3

The instrument to measure the strength of the earthquake.

Accepted Answer

Seismometer

Answer

focus

Answer

magnitude

Answer

epicenter

Answer

after shock

Question 4

Smaller earthquakes after the main, large one.

Accepted Answer

after shock

Answer

focus

Answer

magnitude

Answer

epicenter

Answer

Seismometer

Question 5

The place in the earth where rocks are moving.

Accepted Answer

focus

Answer

magnitude

Answer

epicenter

Answer

after shock

Answer

Seismometer

Question 6

The point at the surface above the focus.

Accepted Answer

epicenter

Answer

focus

Answer

magnitude

Answer

after shock

Answer

Seismometer

Question 7

Which statement describes the location of an earthquake's epicenter?

Accepted Answer

It is determined by the arrival time of surface waves.

Answer

It is located at the point where circles intersect on a map.

Answer

It is determined by the depth of the focus.

Answer

It is located using a single set of data.

Question 8

Which type of wave makes the ground roll?

Accepted Answer

Surface wave

Answer

S wave

Answer

P wave

Question 9

Which type of wave is the first to arrive during an earthquake?

Accepted Answer

P wave

Answer

S wave

Answer

Surface wave

Question 10

Which statement describes the Richter scale?

Accepted Answer

It increases in magnitude as the amount of damage increases.

Answer

It estimates the total energy released from an earthquake.

Answer

It measures large earthquakes far from the seismograph.

Answer

It cannot account for fault movement during an earthquake.

Question 11

Which factor does the moment magnitude scale estimate?

Accepted Answer

energy released

Answer

damage

Answer

location

Answer

wave strength

Question 12

Which statement describes earthquakes?

Accepted Answer

They release energy.

Answer

They are caused by reduced stress in rocks.

Answer

They begin at the epicenter.

Answer

They result from movement on Earth's surface.

Question 13

Which is one step that geologists use to find the epicenter of an earthquake?

Accepted Answer

They measure the difference between arrival of P waves and S waves.

Answer

They draw circles around the epicenter from three locations.

Answer

They look at data from at least one seismograph.

Answer

They obtain information about the intensity of earthquakes from seismographs.

Question 14

Which statement describes one aspect of an earthquake's magnitude?

Accepted Answer

It's based on the size of seismic waves.

Answer

It is not usually affected by the amount of fault movement.

Answer

It is measured by the Mercalli Scale.

Answer

It is used to determine damage caused by earthquakes.

Question 15

Which statement describes the focus of an earthquake?

Accepted Answer

It develops in the lithosphere.

Answer

It creates stress in rock.

Answer

It lies above the surface where rock breaks.

Answer

It begin about 5 kilometers below Earth's.

Question 16

Which statement describes surface waves?

Accepted Answer

They are produced by

P and S waves.

Answer

They travel faster than P waves.

Answer

They arrive before S waves.

Answer

They travel deep below Earth's surface.

Question 17

Which strategy do geologists use to locate the center of an earthquake?

Accepted Answer

They collect data from seismographs.

Answer

They only analyze local data.

Answer

They measure arrival times of surface waves.

Answer

They draw squares on maps for measurements.

Question 18

How are S waves and P waves similar?

Accepted Answer

They shake the ground.

Answer

They travel through liquids.

Answer

They arrive at the same time.

Answer

They vibrate from side to side.

Question 19

Which statement describes P waves?

Accepted Answer

They travel through liquids.

Answer

They move slower than S waves.

Answer

They vibrate from side to side.

Answer

They start as surface waves.

Question 20

Which increases along faults and leads to rock breaking?

Accepted Answer

stress

Answer

earthquake

Answer

damage

Answer

focus

Question 21

Which word identifies the shaking that results from movement under Earth's surface?

Accepted Answer

earthquake

Answer

fault

Answer

focus

Answer

stress

Answer

plate

Question 22

What is the main cause of an earthquake?

Accepted Answer

stress caused by plate movement

Answer

the shaking of the ground

Answer

force of gravity

Answer

waves that ripple from the epicenter

Question 23

Which statement describes the moment magnitude scale?

Accepted Answer

It collects data using a seismograph.

Answer

It shows only the strength of seismic waves that were produced.

Answer

It measures only small earthquakes.

Answer

It determines the amount of damage caused by an earthquake.

Question 24

How are S waves and surface waves similar?

Accepted Answer

Both arrive after P waves

Answer

Both travel through liquids

Answer

Both compress the ground

Answer

Both produce minimal ground motion

Question 25

Which is used to find the epicenter of an earthquake?

Accepted Answer

seismograph

Answer

seismometer

Answer

magnitude

Answer

seismic waves

Question 26

Which type of wave vibrates both side to side and up and down?

Accepted Answer

S wave

Answer

Surface wave

Answer

P wave

Question 27

Which of these factors is involved in earthquake formation?

Accepted Answer

rocks breaking

Answer

stress that decreases

Answer

plates getting larger

Answer

faults that remain stationary

Question 28

Which statement describes seismic waves?

Accepted Answer

They carry energy

Answer

They only vibrate at Earth's surface

Answer

They travel from the epicenter

Answer

They move in one direction

Question 29

Which statement describes S waves?

Accepted Answer

They move side to side

Answer

They arrive before P waves

Answer

They occur at Earth's surface

Answer

They travel through liquids

Question 30

When earthquakes produce vibrations called waves, how do those waves travel?

Accepted Answer

They travel away from the focus on the earthquake in all directions.

Answer

They move back and forth and side to side through water

Answer

They ripple from the epicenter of the earthquake

Answer

They move slowly and increase in intensity as they reach Earth's surface

Question 31

Which statement describes the damage that results from earthquakes?

Accepted Answer

Amount of damage can be used to determine intensity

Answer

Damage can be measured using the Richter Scale

Answer

Earthquakes that cause maximum damage are the most common

Answer

The amount of damage increases as the magnitude decreases

Question 32

Which statement describes a seismograph?

Accepted Answer

It uses a needle on graph paper to measure seismic wave activity

Answer

It is used to locate an earthquake's focus

Answer

It has a flat graphing surface

Answer

It measures date used to find the difference between the arrival times of surface waves.

Question 33

Which statement about the Mercalli Scale is true?

Accepted Answer

The scale rates an earthquake according to how much damage it causes

Answer

The scale rates an earthquake based on its total energy released

Answer

The scale has twenty ratings for an earthquake's effects

Answer

The scale is most useful when scientists use data from three or more seismographs

Question 34

What happens when stress builds at faults?

Accepted Answer

Rock can bend and break

Answer

Plates form on the lithosphere

Answer

Energy is absorbed

Answer

Earthquakes develop at Earth's surface

Question 35

Which word identifies the agent that carries the energy released from earthquakes?

Accepted Answer

waves

Answer

focus

Answer

epicenter

Answer

lithosphere

Question 36

Which statement about the Mercalli Scale ?

Accepted Answer

The scale rates an earthquake according to how much damage it causes

Answer

The scale measures seismic waves based on their size

Answer

The scale produces a single rating for earthquakes that reach the surface.

Answer

The scale measures the magnitude of an earthquake based on the size of seismic waves

Question 37

Which phrase describes a feature of an earthquake's epicenter?

Accepted Answer

region directly above the focus

Answer

place around the center of an earthquake

Answer

starting point of an earthquake

Answer

point about 100 kilometers deep in the lithosphere

Question 38

Which statement describes how geologist use data from seismographs to learn about earthquakes?

Accepted Answer

They often compare information from all over the world

Answer

They use one reading to determine the location of an epicenter

Answer

They map the location of an earthquake's focus

Answer

They measure the difference between the arrival time times of surface waves

Question 39

P waves can travel through solids, liquids and gases.

Accepted Answer

true

Answer

false

Question 40

P waves can travel only through liquids and gases.

Accepted Answer

false

Answer

true

Question 41

P waves cause rock to move back and forth in the direction the wave is traveling.

Accepted Answer

true

Answer

false

Question 42

Unlike P waves, S waves cannot travel through the completely liquid parts of Earth.

Accepted Answer

true

Answer

false

Question 43

Unlike P waves, S waves can travel through the completely solid parts of Earth.

Accepted Answer

false

Answer

true

Question 44

Unlike P waves, S waves can travel through the completely liquid parts of Earth.

Accepted Answer

false

Answer

true

Question 45

Surface waves are fastest than P waves and S waves

Accepted Answer

false

Answer

true

Question 46

Surface waves are slower than P waves and S waves

Accepted Answer

true

Answer

false

Question 47

Body waves are seismic waves that travel through Earth's interior.

Accepted Answer

True

Answer

False

Question 48

P waves and S waves are body waves

Accepted Answer

True

Answer

False

Question 49

Surface waves are body waves

Accepted Answer

False

Answer

True

Question 50

Seismic waves that travels along the surface of Earth rather than through it are call surface waves

Accepted Answer

true

Answer

false

Question 51

Seismic waves that travels along the surface of Earth rather than through it are call P waves and S waves

Accepted Answer

false

Answer

true

Question 52

The point in which all of the circles intersect is the epicenter. The process is called: ___________

Accepted Answer

seismometer

Answer

triangulation

Answer

seismogram

Answer

epicenter

Question 53

The point in which all of the circles intersect is the ________ . The process is called triangulation.

Accepted Answer

epicenter

Answer

triangulation

Answer

seismogram

Answer

seismometer

Question 54

_____________ : Is a tracing of earthquake motion

Accepted Answer

seismogram

Answer

triangulation

Answer

seismometer

Answer

epicenter

Question 55

Scientists use instruments called ____________ to record the seismic waves generated by earthquakes.

Accepted Answer

seismometer

Answer

triangulation

Answer

seismogram

Answer

epicenter

Question 56

The modified __________ ________ is used to describe an earthquakes intensity. The scale ranges from I to XII.

Accepted Answer

Mercalli scale

Answer

Intensity

Answer

magnitude

Answer

heigth

Answer

Richter Scale

Question 57

The effect of an earthquake and how the earthquake is felt by people are known as the earthquake's ______________.

Accepted Answer

Intensity

Answer

magnitude

Answer

heigth

Answer

Mercalli scale

Answer

Richter Scale

Question 58

The ______ of the waves on a seismogram indicates the amount of ground motion. Ground motion can be used to calculate magnitude.

Accepted Answer

heigth

Answer

Intensity

Answer

magnitude

Answer

Mercalli scale

Answer

Richter Scale

Question 59

The height of the waves on a seismogram indicates the amount of ground motion. Ground motion can be used to calculate ______________.

Accepted Answer

magnitude

Answer

Intensity

Answer

heigth

Answer

Mercalli scale

Answer

Richter Scale

Question 60

_________ __________ : Measures earthquake strength based on the size of the area of the fault that moves, the average distance that the fault moves and the rigidity of the rocks in the fault.

Accepted Answer

Moment Magnitude

Answer

Intensity

Answer

heigth

Answer

Mercalli scale

Answer

Richter Scale

Question 61

Are vibrations that cause different types of ground motion.

Accepted Answer

Seismic waves

Answer

S wave

Answer

P wave

Answer

Surface wave

Question 62

The strength of an earthquake is based on the energy that is released as rocks break and return to an undeformed shape.

Accepted Answer

True

Answer

False

Question 63

The weakness of an earthquake is based on the energy that is released as rocks break and return to an undeformed shape.

Accepted Answer

False

Answer

True

Question 64

Are the ground movements that occur when blocks of rock in Earth move suddenly and release energy.

Accepted Answer

earthquakes

Answer

deformation

Answer

tectonic plate boundary

Answer

fault

Answer

elastic rebound

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