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Earthquakes Grade 7 Science

Total questions: 141

Worksheet time: 2hrs 7mins

Name
Class
Date
1.

What do you call it when tectonic plates move toward each other?

a)

divergent boundary

b)

convergent boundary

c)

transform boundary

2.

Which layer is the rocky, outermost layer?

a)

mantle

b)

inner core

c)

crust

d)

outer core

3.

Which process uses rock layers and index fossils to determine an object's estimated age?

a)

relative dating

b)

deposition

c)

radioactive dating

d)

geologists

4.

What do you call do you call remains of plants and animals that are found trapped deep in the layers of rock?

a)

sediment

b)

soil

c)

debris

d)

fossils

5.

What do you call the process of using the location and depth of where a fossil is found to estimate age?

a)

radioactive dating

b)

index fossils

c)

Law of Superposition

d)

deposition

6.

This layer of the Earth is found directly below the crust.

a)

inner core

b)

outer core

c)

mantle

7.

Which part of the mantle has a semi-fluid consistency and is always in motion?

a)

inner core

b)

asthenosphere

c)

crust

d)

lithosphere

8.

What do you call it when the tectonic plates are move apart, causing earthquakes, volcanoes and new land to form?

a)

convergent boundary

b)

divergent boundary

c)

transform boundary

9.

What do you call it when tectonic plates slide past each other?

a)

transform boundary

b)

convergent boundary

c)

divergent boundary

10.

Where would a geologist find a fault?

a)

where plates slide past each other

b)

where plates move apart

c)

where plates come together

11.

What is the theory that states that continents are part of the crust, connected to the lithosphere and affected by the molten asthenosphere that allows them to move?

a)

Continental Drift Theory

b)

Theory of plate tectonics

c)

deposition

d)

relative dating

12.

Which layer of the Earth is solid because of high temperature and high pressure? In the egg analogy, this was the yolk.

a)

inner core

b)

outer core

c)

mantle

d)

crust

13.

What is the process that uses analysis of the decay of atomic particles to determine exact age?

a)

relative dating

b)

fossils

c)

deposition

d)

radioactive dating

14.

Which method of relative dating involves using organisms that were alive during a specific time period as a guide for comparison to determine age?

a)

index fossils

b)

radioactive dating

c)

deposition

15.

What theory refers to the movement of Earth's plates

a)

Tectonic plates

b)

Continental drifting

c)

Plates shaking

d)

Tectonical movement

16.

What causes Earth's plates to move?

a)

Convection in the crust and subduction in the core

b)

Convection currents in the mantle

c)

Earthquakes

d)

Heat from the Inner Core

17.

A point on Earth’s surface right above the focus of an earthquake.

a)

Epicenter

b)

Heliocenter

c)

Hipocenter

d)

Staples center

18.

Which type of seismic waves cause the most damage?

a)

P-waves

b)

S-waves

c)

Surface waves

d)

Tsunami waves

19.

What event happens when there is a sudden, violent shaking of tectonic plates?

a)

Hurricane

b)

Earthquake

c)

Thunderstorm

20.

When scientists map the location of earthquakes, where do they find that most earthquakes happen?

a)

Middle of tectonic plates

b)

Only near mountains and volcanos

c)

In the mantle

d)

At plate boundaries

21.

Why aren't all earthquakes recorded?

a)

Some happen too far underground

b)

Some are too weak to be felt

c)

Some happen too much far way from cities

d)

Happen under the mantle

22.

Which scale measures the magnitude, or size, of an earthquake?

a)

Richter

b)

Mercalli

23.

What device is used to measure the intensity of an earthquake?

a)

Shakemeter

b)

Termometer

c)

Movemeter

d)

Seismometer

24.
In what order do the three types of seismic waves arrive at a seismograph?
a)
S wave, P wave, Surface wave
b)
Surface wave, P wave and S wave
c)
P wave, S wave and Surface wave
d)
P wave, Surface wave and S wave
25.
What are seismic waves?
a)
Energy released by an earthquake in waves or vibrations
b)
The point beneath Earth’s surface at which rock under stress breaks and triggers an earthquake
c)
The point on the surface directly above the point at which an earthquake occurs
d)
The strength of an earthquake
26.
Which type of seismic wave produces the most severe ground movement?
a)
P wave
b)
S wave
c)
Surface wave
d)
None of the above
27.
_____________ records ground movements caused by seismic waves as they
move through Earth
a)
Focus
b)
Epicenter
c)
Surface Waves 
d)
Seismograph
28.
________ are the slowest seismic waves.
a)
P waves
b)
S waves
c)
Surface waves
d)
Epicenter
29.
___________ is the point beneath Earth’s surface at which rock under stress breaks and triggers an earthquake.
a)
Focus
b)
Epicenter
c)
Surface waves
d)
Seismograph
30.
True or False? The shaking and trembling that results from movement of rock beneath Earth’s surface is called an earthquake.
a)
True
b)
False, magma
31.
Geologists use the moment magnitude scale to rate the total   ________ released by an earthquake.
a)
Size
b)
Energy
c)
Shaking
32.

A break in Earth’s crust along which rocks move is called ___________

a)

stress

b)

compression

c)

dormat

d)

fault

33.

A giant wave usually caused by an earthquake beneath the ocean floor is called __________________

a)

earthquake

b)

volcano

c)

tsunami

d)

fault

34.

________________ caused by the movement of the Earth’s massive tectonic plates generates tremendous force in the crust causing an ___________________.

a)

tension : earthquake

b)

stress : earthquake

c)

tension : tsunami

d)

stress : tsunami

35.

The most destructive type of wave is a

a)

P-wave

b)

S-wave

c)

Surface wave

d)

transverse wave

36.
What type of seismic wave travels compressionally? 
a)
P wave
b)
S wave
c)
Surface
d)
None
37.

What is a tracing of an earthquake's motion that is created by a seismometer?

a)

Seismograph

b)

Seismogram

c)

Seismologist

d)

Elastic Rebound

38.

An earthquake scored high on the Richter scale but low on the Mercalli scale. Why?

a)

It probably happened in an area with no people.

b)

It was a fast earthquake.

c)

It damaged a lot of buildings.

d)

It is impossible to know.

39.

How much bigger is a magnitude 8 earthquake compared to magnitude 6 quake on the Richter Scale?

a)

2 times bigger

b)

20 times bigger

c)

48 times bigger

d)

100 times bigger

40.

Which wave can travel through solids, liquids, and gases?

a)

P-Waves

b)

S-Waves

c)

Surface (L) Waves

d)
41.

Which is the fastest type of seismic wave?

a)

p-waves

b)

s-waves

c)

surface waves

42.

What is the temporary state in which loose soil and rock materials take on the property of quicksand?

a)

Aftershock

b)

Liquefaction

c)

Seismic Gap

d)

Tsunami

43.
What is a smaller earthquake that follows a larger earthquake?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
44.
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
45.

The place where the earthquake is felt on the Earth's surface is called the...

a)

Epicenter

b)

Hypocenter (focus)

c)

Surface

d)

Crust

46.

What is the instrument used to measure earthquakes?

a)

Seismograph

b)

Sling Psychrometer

c)

Spring Scale

d)

Balance

e)

Anemometer

47.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tectonic Plates
c)
Climate Zones
d)
None of the above.
48.
Which ocean in the world is also known as the "Ring of Fire"
a)
Atlantic
b)
Indian
c)
Arctic
d)
Pacific
49.
The focus of an earthquake is
a)
The point below Earth's surface where rock first breaks
b)
The closest seismic station
c)
The place where the greatest damage occurs
d)
A fault
50.
Earthquakes happen every day. Most are too small for humans to notice.
a)
True
b)
False
51.

What is the minimum number of seismograph stations needed to locate an earthquake epicenter?

a)

2

b)

3

c)

4

d)

5

e)

6

52.

Which team just won the 2018 Stanley Cup?

a)
b)
c)
d)
53.

Which image models secondary waves?

a)

Top

b)

Bottom

c)

Both

54.

Which type of seismic wave can travel all the way from on side of the Earth to the other?

a)

P-Waves

b)

S-Waves

c)

L-Waves (Surface Waves)

d)

None

55.

Transform boundaries have shearing stress and _______________________ faults.

a)

strike-slip

b)

normal

c)

reverse

56.

These waves are the fastest seismic waves and are the first to reach any particular location.

a)

P Waves

b)

S Waves

c)

Surface Waves

d)

Hello Waves

57.

In these faults, the block above the fault slides down relative to the other block.

a)

Normal

b)

Reverse

c)

Strike-Slip

58.

A water wave caused by an earthquake is called a __________________.

a)

tsunami

b)

seismic wave

c)

electromagnetic wave

d)

surfing wave

59.

The point on earth's surface, directly above the focus (or hypocenter) is called the __________________.

a)

epicenter

b)

fault

c)

seismic wave

d)

earthquake place

60.

Convergent boundaries have compression stress and ___________________ faults.

a)

reverse

b)

normal

c)

strike-slip

61.

A force that acts on rock to change its shape or volume.

a)

stress

b)

seismic waves

c)

tsunami

62.

In these faults, blocks of rock move sideways on either side of the fault plane.

a)

strike-slip

b)

normal

c)

reverse

d)

not my's

63.

Stress that pull on crust and causes it to become thinner in the middle.

a)

tension

b)

compression

c)

shearing

64.

A stress force that squeezes rock until it bends or breaks is called _____________.

a)

compression

b)

tension

c)

shearing

65.

When two pieces of continental crust collide at a convergent boundary, it makes a _________________ fault.

a)

reverse

b)

normal

c)

strike-slip

66.

In an earthquake, the point underground where the rock first begins to move is called the _________________.

a)

focus or hypocenter

b)

epicenter

67.

The stress force that causes rock to be pushed into separate directions is called __________________.

a)

shearing

b)

compression

c)

tension

68.

The instrument that records and measures earthquake's seismic waves is called a ____________________.

a)

seismograph

b)

seismogram

69.

A fold in the rock that bends upward into an arch is called a(n) _________________________

a)

anticline

b)

syncline

c)

incline

d)

Coach Cline

70.

The epicenter of an earthquake is

a)

The point below the surface where rock begins to break and the first motion occurs

b)

The seismic station closest to the earthquake

c)

The place where the greatest damage occurs

d)

The point on the surface directly above the focus

71.

Which travels fastest, always being the first detected by seismic stations?

a)

P waves

b)

S waves

72.

An instrument that detects and measures earthquakes is a 

a)

seismogram

b)

focus seismic map

c)

focus

d)

seismograph 

73.

Which of the following is NOT a cause of an earthquake?

a)

Collapse of Cavern

b)

Eruption of Volcano

c)

Lightning Strikes

d)

Moving Tectonic Plates

74.

What is a break in the lithosphere along which movement in an earthquake has first occurred?

a)

Earthquake

b)

Epicenter

c)

Fault

d)

Focus

75.

Where is the point at which the first movement occurs during an earthquake?

a)

Epicenter

b)

Focus

c)

Fault

d)

Plate

76.

Where is the point on the Earth’s surface directly above the focus of an earthquake?

a)

Epicenter

b)

Fault

c)

Hypocenter

d)

Tremor

77.

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

a)

P Wave

b)

Rayleigh Wave

c)

S Wave

d)

Shear Wave

78.

Which body wave squeezes and stretches rock materials as they pass through the Earth?

a)

Body Waves

b)

P Waves

c)

S Waves

d)

Surface Waves

79.

Which body waves cause move in a wave like pattern?

a)

Body Waves

b)

P Waves

c)

S Waves

d)

Surface Waves

80.

What is an instrument that detects and records waves produced by earthquakes? (This piece of equipment can measure the magnitude of an earthquake.)

a)

Epicenter

b)

Fault

c)

Seismogram

d)

Seismograph

81.

What is the measure of the amount of energy released in an earthquake?

a)

Earthquake

b)

Epicenter

c)

Magnitude

d)

Seismogram

82.

Which scale rates earthquakes based on the amount of damage done?

a)

Mercalli Scale

b)

Richter Scale

c)

Seismogram Scale

d)

Bernoulli Scale

83.

Which scale measures the intensity of the ground movement?

a)

Mercalli Scale

b)

Richter Scale

c)

Seismogram Scale

d)

Bernoulli Scale

84.
Which letter represents the movement created by the P Wave?  
a)
A
b)
B
c)
C
85.
Which city is closest to the epicenter?  
a)
A
b)
B
c)
C
86.

Which seismogram represents a city that is far from the epicenter of an earthquake?  

a)

New York, NY

b)

Nome, Alaska

c)

Guadalajara, Mexico

87.

Based on the seismogram data, which city has an S-P interval of 4 seconds?

a)

New York, NY

b)

Nome, Alaska

c)

Guadalajara, Mexico

88.

______ are the vibrations of the Earth produced by the rapid release of energy in the lithosphere.

a)

Foci

b)

Epicenters

c)

Earthquakes

d)

Faults

89.

Where is an earthquake the strongest?

a)

Epicenter

b)

Fault

c)

Focus

90.

What are interactions of the Earth's rigid lithospheric plates as they slide slowly over the asthenosphere.

a)

transform

b)

Mantle

c)

convection currents

d)

plate tectonics

91.

Which of the following are evidence of plate tectonics?

a)

Fossils

b)

ocean floor spreading

c)

Continent shapes

d)

Land warping

92.

Convergent= crust is (a)   .

93.

Transform= crust is ___ nor ___.

(a)  

94.

Divergent= crust can be (a)  

95.

225 million years there was a "super continent named___

a)

Ice Age

b)

Jurassic

c)

Pangaea

d)

Earth

96.

Why do the plates move?

4 lines
97.

The 3 plate boundaries are ___, ___, and ___.

(a)  

98.
Which seismic wave does a seismograph detect first?  
a)
P Wave
b)
S Wave
c)
Surface Wave
99.
Which city is closest to the epicenter?  
a)
A
b)
B
c)
C
100.

Which seismogram represents a city that is far from the epicenter of an earthquake?

a)

New York, NY

b)

Nome, Alaska

c)

Guadalajara, Mexico

d)

All the same distance away

101.
The epicenter of an earthquake is
a)
The point below the surface where rock begins to break and the first motion occurs
b)
The seismic station closest to the earthquake
c)
The place where the greatest damage occurs
d)
The point on the surface directly above the focus
102.
Which travels fastest, always being the first detected by seismic stations?
a)
P waves
b)
S waves
103.
An instrument that detects and measures earthquakes is a 
a)
seismogram
b)
focus seismic map
c)
focus
d)
seismograph 
104.

The place where an earthquake originates inside the Earth's surface is called...

a)

Epicenter

b)

Focus

c)

Underground

d)

Crust

105.

The place on the Earth's surface, above the origin of the earthquake.

a)

Epicenter

b)

Focus

c)

Surface

d)

Crust

106.

What is the instrument used to measure earthquakes?

a)

Seismograph

b)

Seismologist

c)

Scale

d)

Seismogram

107.

This is created by earthquakes that occur on the ocean floor.

a)

longshore current

b)

gulf stream

c)

tsunamis

d)

high tide

108.

What type of fault is this?

a)

Normal

b)

Reverse

c)

Strike-slip

d)

Forward

109.

Are plates always moving?

a)
b)
110.

How do tectonic plates look like?

a)
b)
c)
d)
111.

Transform boundaries have shearing stress and _______________________ faults.

a)

strike-slip

b)

normal

c)

reverse

112.

A water wave caused by an earthquake is called a __________________.

a)

tsunami

b)

seismic wave

c)

electromagnetic wave

d)

surfing wave

113.

Convergent boundaries have compression stress and ___________________ faults.

a)

reverse

b)

normal

c)

strike-slip

114.

Many earthquakes happen along the borders of...

a)

Countries

b)

Tetonic Plates

c)

Climate Zones

d)

Japan and California

115.

The 1989 Bay Area Earthquake that took place in California is often referred to as

a)

The Bridge Collapse Earthquake

b)

The Super Bowl Earthquake

c)

The Big One

d)

The World Series Earthquake

116.

Worldwide, how many Earthquakes are estimated to occur yearly?

a)

5-8

b)

50-60

c)

250-300

d)

500,000-3,000,000

117.

How long do most earthquakes last (time)

a)

several seconds

b)

several minutes

c)

hours

d)

could last for days

118.

Most earthquakes occur where two _____________________ meet.

a)

epicenters

b)

fat guys

c)

tectonic plates

d)

tsunamis

119.

Earthquakes can result in (choose all that apply)

a)

loss of life

b)

building collapse

c)

fires

d)

flooding

e)

gas leaks

120.
Which seismic wave does a seismograph detect first?  
a)
P Wave
b)
S Wave
c)
Surface Wave
121.
Which city is closest to the epicenter?  
a)
A
b)
B
c)
C
122.

Which seismogram represents a city that is far from the epicenter of an earthquake?

a)

New York, NY

b)

Nome, Alaska

c)

Guadalajara, Mexico

d)

All the same distance away

123.
The epicenter of an earthquake is
a)
The point below the surface where rock begins to break and the first motion occurs
b)
The seismic station closest to the earthquake
c)
The place where the greatest damage occurs
d)
The point on the surface directly above the focus
124.
Which travels fastest, always being the first detected by seismic stations?
a)
P waves
b)
S waves
125.
An instrument that detects and measures earthquakes is a 
a)
seismogram
b)
focus seismic map
c)
focus
d)
seismograph 
126.

The place where an earthquake originates inside the Earth's surface is called...

a)

Epicenter

b)

Focus

c)

Underground

d)

Crust

127.

The place on the Earth's surface, above the origin of the earthquake.

a)

Epicenter

b)

Focus

c)

Surface

d)

Crust

128.

What is the instrument used to measure earthquakes?

a)

Seismograph

b)

Seismologist

c)

Scale

d)

Seismogram

129.

This is created by earthquakes that occur on the ocean floor.

a)

longshore current

b)

gulf stream

c)

tsunamis

d)

high tide

130.

What type of fault is this?

a)

Normal

b)

Reverse

c)

Strike-slip

d)

Forward

131.

Are plates always moving?

a)
b)
132.

How do tectonic plates look like?

a)
b)
c)
d)
133.

Transform boundaries have shearing stress and _______________________ faults.

a)

strike-slip

b)

normal

c)

reverse

134.

A water wave caused by an earthquake is called a __________________.

a)

tsunami

b)

seismic wave

c)

electromagnetic wave

d)

surfing wave

135.

Convergent boundaries have compression stress and ___________________ faults.

a)

reverse

b)

normal

c)

strike-slip

136.

Many earthquakes happen along the borders of...

a)

Countries

b)

Tetonic Plates

c)

Climate Zones

d)

Japan and California

137.

The 1989 Bay Area Earthquake that took place in California is often referred to as

a)

The Bridge Collapse Earthquake

b)

The Super Bowl Earthquake

c)

The Big One

d)

The World Series Earthquake

138.

Worldwide, how many Earthquakes are estimated to occur yearly?

a)

5-8

b)

50-60

c)

250-300

d)

500,000-3,000,000

139.

How long do most earthquakes last (time)

a)

several seconds

b)

several minutes

c)

hours

d)

could last for days

140.

Most earthquakes occur where two _____________________ meet.

a)

epicenters

b)

fat guys

c)

tectonic plates

d)

tsunamis

141.

Earthquakes can result in (choose all that apply)

a)

loss of life

b)

building collapse

c)

fires

d)

flooding

e)

gas leaks