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Plate Tectonics

Total questions: 78

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

​ (a)   was proposed by ​ (b)   and suggested that the ​ (c)   are in constant motion.

Choose from the below words
Continental drift
Alfred Wegener
continents
Harry Hess
Seafloor Spreading
oceans
2.

The earth's plates, rigid slabs of rock, "float" on the ___ .

a)

asthenosphere

b)

lithosphere

c)

mantle

d)

granitic rock

3.

The earth's outer shell is divided into slabs of rock called ______ .

a)

continental plates

b)

crustal plates

c)

trench plates

d)

tectonic plates

4.

What is a driving force behind the movement of the plates?

a)

b)

c)

d)

5.

Place each label in the correct category.

Categorize the following

older

granite

less dense

younger

basltic

recycles

Continental Crust
Oceanic Crust
6.

Match the following

a)
1.

divergent

b)
2.

convergent

c)
3.

transform

7.

At which plate boundary is new crust formed?

a)

divergent

b)

convergent

c)

continental

d)

transform

8.

What types of landforms are formed at convergent boundaries?

(Select all that apply)

a)

volcanoes

b)

new crust

c)

trenches

d)

mountains

9.

What is the WHOLE AREA called where the oceanic crust goes beneath the continental crust?

a)

subtraction zone

b)

section zone

c)

secondary zone

d)

subduction zone

10.

Drag the labels to the correct the locations on the diagram.

a)

convergent boundary

b)

Mid-ocean Ridge

c)

subduction

d)

trench

e)

divergent boundary

1
2
3
4
5
1)
2)
3)
4)
5)
11.

The majority of the world's earthquakes and volcanoes occur along the _ .

(a)  

12.

Who is the scientist who proposed Continental Drift Theory?

a)
Albert Einstein
b)
Alfred Wegener
c)
Isaac Newton
d)
John Dalton
13.

Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.

a)

Pandora

b)

Gandowandaland

c)

Pangea

d)

Percia

14.
What was Wegener's hypothesis called?
a)

The Theory of Pangea 

b)

The Theory of Moving Continents

c)

The Theory of Continental Drift

d)

The Theory of Techtonic Plates

15.
Which piece of evidence did Wegener use to prove continental drift?
a)
The shape of the continents
b)
Similar fossils found on separate continents
c)
Tree fossils found in odd places
d)
All of the above
16.
What type of event will occur at this boundary?
a)
Earthquake
b)
Volcano Eruption
c)
Tornado
d)
Mountain Building
17.
What type of plate boundary is this?
a)
Plate
b)
Divergent
c)
Convergent
d)
Transform
18.
A divergent boundary occurs when plates ....
a)
Pull apart
b)
Come together
c)
Slide past each other
d)
subducting
19.
What geologic feature/event would you most likely to find at a divergent boundary between two pieces of oceanic crust?
a)
Rift Valley
b)
Mid-Ocean Ridge
c)
Island Arc
d)
Flat land
20.
What geologic feature/event would you most likely to find at a convergent boundary between two pieces of continental crust?
a)
Volcano
b)
Mountain
c)
Rift
d)
Island Arc
21.
As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?
a)
The would all increase
b)
The would all decrease.
c)
Nothing, the layers are made of the same material throughout
d)
Temperature would decrease, but pressure and density would increase
22.

A long chain of undersea mountains

a)

mid ocean ridge

b)

sea floor spreading

c)

oceanic plates

1
1)
23.
What forms at a convergent boundary between a continental plate and an oceanic plate?
a)
volcanoes
b)
rift valleys
c)
faults
d)
mid-ocean ridges
24.
What type of boundary is shown at A?
a)
transform
b)
convergent
c)
divergent
d)
subduction
25.
What is happening at point B?
a)
subduction
b)
a divergent boundary
c)
convection
d)
an earthquake
26.

What type of boundary is shown in the diagram?

a)

Divergent

b)

Convergent

c)

Slide/Transform

27.

What type of boundary is shown in the diagram?

a)

Divergent

b)

Convergent

c)

Transform

28.

A mid-ocean RIDGE is located at the boundary of two tectonic plates. Which diagram correctly models the relative plate motion on each side of a mid ocean ridge?

a)
b)
c)
d)
29.

The San Andreas fault is a transform fault. The map below shows a student's approximation of where the fault line crosses through the United States. Students were asked to make maps predicting which way land would most likely move over thousands of years.

a)
b)
c)
d)
30.

The image shows a plate boundary. Arrows have been added to indicate the movement of the plates.What plate boundary feature is also shown?

a)

A ridge formed by an inactive convergent boundary

b)

A valley forming at an active divergent boundary

c)

A fault forming at an active transform boundary

d)

A volcano formed by an active transform boundary

31.

The diagram shows a model of the movement of two tectonic plates. When the plates collide, on plate often moves below the other plate. The rising magma that can result from this type of plate movement may produce-

a)

fossil layers

b)

volcanic islands

c)

deep-sea sediment

d)

seafloor spreading

32.
The map shows some of Earth’s plate tectonic boundaries. Based on the map, volcanic activity would most likely be found at —  
a)
Location W
b)
Location X
c)
Location Y
d)
Location Z
33.

The model below shows two continental plates. What type of plate boundary is this

a)

Transform boundary

b)

Divergent boundary

c)

Subduction boundary

d)

Convergent boundary

34.

Which student correctly identified the geologic process that formed the Himalayan mountains?

a)

1

b)

2

c)

3

d)

4

35.
The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the ____________.
a)
Ring of Earth
b)
Ring of Fire
c)
Ring of Stone
d)
Ring of Diamond
36.

What kind of landform is created when a continent starts to get torn apart?

a)

Volcanic Island

b)

Deep Sea Trench

c)

Mid-ocean Ridge

d)

Rift Valley

e)

Mountains

37.

The diagram below shows a cross-section of rock layers. What most likely caused the crack indicated by the arrow in the diagram?

a)

erosion

b)

volcanic eruptions

c)

earthquake activity

d)

glacier movement

38.

What is the motion of Earth's plates like?

a)

fast and in stages

b)

slow and in stages

c)

fast and constant

d)

slow and constant

39.
The movement of metals within the earth's outer core cause a ____________________________ that is detectable on the earth's surface using a compass
a)
Gravitational Pull
b)
Volcanic Eruption
c)
Magnetic field
d)
Convection Current
40.

Which of the following states a fact?

a)

Earthquakes aren't dangerous.

b)

Earthquakes are easy to predict.

c)

Volcanoes are less damaging than earthquakes.

d)

The Earth is constantly changing.

41.
Pat, a seismologist, was studying about last night’s earthquake. She read that the ___________, the point on Earth’s surface directly above where the earthquake began, was only 8 miles from her favorite historic museum.
a)
Epicenter
b)
Primary Wave
c)
Secondary wave
d)
Surface wave
42.
While learning about last night’s earthquake, Pat saw that the ________________ registered a 6.7 on the Richter Scale. 
a)
Epicenter
b)
Magnitude
c)
Seismic waves
d)
Focus
43.
Hawaii is not located near any plate boundaries, yet it is made up entirely of volcanoes. This occurs because Hawaii sits directly on top of a _________________.
a)
Crater
b)
Tephra
c)
Hot spot
d)
Composite volcano
44.
The Hawaiian Islands are made of volcanoes that have broad, gently sloping slides classified as ____________________.
a)
Hot spots
b)
Cinder Cone Volcanoes
c)
Composite Volcanoes
d)
Shield Volcanoes
45.
While on our helicopter ride, we noticed a volcano that had steep sides and looked like it was composed entirely out of ash. This type of volcano is called a ____________________.
a)
Cinder cone volcano
b)
Composite volcano
c)
Shield volcano
d)
Hot spot
46.
The eruption of Mt. Vesuvius in 79 AD is one of the most famous ______________ eruptions in history. This type of volcano can grow to be very tall & are composed of alternating layers of lava and tephra. 
a)
Cinder Cone Volcano
b)
Shield Volcano
c)
Composite Volcano
d)
Hot spot
47.

Earthquakes are usually a sign of

a)

volcanic activity

b)

tornadoes

c)

rainstorms

d)

mountains

48.

What is the definition of dormant?

a)

sleeping and could erupt

b)

extinct and won't erupt

c)

active and dangerous

49.

What is a large ocean wave that results from an underwater earthquakes, landslide, or volcanic eruption?

a)

Tsunami

b)

Rip Tide

c)

Low Tide

d)

High Tide

50.

What causes an earthquake?

a)

Earth's plates sliding past each other.

b)

Earth's plates pushing against each other.

c)

Earth's plates pulling away from each other,

51.

An instrument that detects and measures earthquakes is a

a)

seismogram

b)

focus map

c)

seismometer

52.

Select ALL that apply:

What are some things that comes out of a volcano at it erupts?

a)

Ash

b)

Lava

c)

Rocks

d)

Gasses

53.

Which scale is used to measure the intensity of an earthquake?

a)

Richter Scale

b)

Mach Scale

c)

pH Scale

d)

Decible Scale

54.

What is the beginning point of an earthquake?

a)

Epicenter

b)

Focus

c)

Lithosphere

d)

Tsunami

55.

What is the name of number 1?

a)

Main vent

b)

Magma chamber

c)

Side vent

d)

Ash cloud

56.

What is the name of number 6?

a)

Main vent

b)

Magma chamber

c)

Side vent

d)

Ash cloud

57.

What is the name of number 2?

a)

Main vent

b)

Magma chamber

c)

Side vent

d)

Ash cloud

58.

What type of rock is formed when magma cools?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

59.

The point on the earth’s surface directly above the origin of the earthquake.

a)

Epicenter

b)

Focus

c)

Foreshock

d)

Caldera

60.

A tool used to measure and record earthquake activity

a)

laser beams

b)

Richter scale

c)

seismograph

d)

tiltmeter

61.

Where do most earthquakes and volcanoes happen?

a)

mid-ocean ridges

b)

plate boundaries

c)

in the mantle

d)

rift valley

62.

Earthquakes generally occur at plate boundaries, where

a)

stress on rocks is greatest

b)

the most rock is found

c)

stress on rocks is low

d)

magnetic pull is greatest

63.

Which of the following is TRUE of earthquake prediction?

a)

it is unreliable

b)

it is impossible

c)

scientists do not attempt it

d)

it is not important

64.

The composition of magma determines its ______.

a)

viscosity

b)

color

c)

darkness

65.

Once molten rock reaches the surface of the earth, the name changes to?

a)

silica

b)

magma

c)

lava

d)

rock

66.

Which of the following is an opening through which molten rock and gas leave a volcano is?

a)

pipe

b)

crater

c)

magma chamber

d)

vent

67.

Beneath a volcano, magma collects in a:

a)

magma chamber

b)

vent

c)

magma pocket

d)

hole

68.

In a pyroclastic flow a volcanic eruption consists of:

a)

ash

b)

lava

c)

cinders

d)

ash, cinders, volcanic bombs, and gases

69.

A "dead" volcano is called?

a)

active

b)

extinct

c)

dormant

70.
Volcanoes are found...
a)
on land
b)
under water
c)
on islands
d)
all of the above
71.

Rank the seismic waves in order of appearance when an earthquake first occurs as measured by a seismograph.

a)

S waves, P waves, then surface waves

b)

P waves, S waves, then surface waves

c)

S and P waves at the same time, then surface waves

d)

Surface waves, then S and P waves at the same time

72.

According to the picture above which shows the secondary waves?

a)

A

b)

B

c)

C

73.

According to the image above which letter shows primary waves?

a)

A

b)

B

c)

C

74.

According to the picture, which letter represents surface waves?

a)

A

b)

B

c)

C

75.
Which wave tends to cause the greatest damage in an earthquakes?
a)
S-waves
b)
Surface Waves
c)
P-waves
76.

What is a primary earthquake wave that travels through the body of the earth; so named because it is the first wave to reach a seismograph station during an earthquake.

a)

P wave

b)

surface wave

c)

S wave

d)

body wave

77.

A wave generated by earthquake vibrations is called?

a)

seismogram

b)

surface wave

c)

seismic wave

d)

seismology

78.

A wave that travels on or near the surface of the Earth?

a)

surface wave

b)

P wave

c)

body wave

d)

S wave

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