Deck 4: Plate Tectonics

Question 1

What part of the process of science are "fit of the continents," matching fossils on different continents and similarities in structures that were used to develop the ideas about continental drift?

A) Hypotheses
B) Theories
C) Observations

Answer 1

Observations

Question 2

Which of the following images best represents the crust, mantle and core of Earth?

A) Diagram A
B) Diagram B
C) Diagram C

Answer 2

Diagram B

Question 3

What happens to tectonic plates at a transform boundary?

A) They are formed.
B) They are recycled.
C) They are not formed or recycled.

Answer 3

They are not formed or recycled.

Question 4

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-How many tectonic plates are represented in this diagram?

A) 2
B) 3
C) 4
D) 5

Question 5

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-Which location has a volcanic island arc?

A) Near A
B) Near B
C) Near C

Question 6

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-Where do you predict there are deep earthquakes?

A) Below A
B) Below B
C) Below C
D) Below A and B
E) All of those locations.

Question 7

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-What is the relative direction of motion for points A and D?

A) Convergent
B) Divergent
C) Transform

Question 8

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-What is the relative direction of motion for points C and D?

A) Convergent
B) Divergent
C) Transform

Question 9

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-Which of the cross sectional diagrams shown below best illustrates the plate boundaries across the line A- B?

A) Diagram a
B) Diagram b
C) Diagram c
D) Diagram d

Question 10

Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.


-Which graph best shows how the age of oceanic crust changes across a mid-ocean ridge?

A) Graph a
B) Graph b
C) Graph c

Question 11

Which graph best shows how the depth of oceanic crust changes across a mid-ocean ridge?

A) Graph a
B) Graph b
C) Graph c

Question 12

Use the following diagram to answer this question.


-Which of the images best represents the plate boundary between the Nazca and South American plates?

A) Diagram a
B) Diagram b
C) Diagram c
D) Diagram d

Question 13

Use the following diagram to answer this question.


-Which of the images best represents the plate boundary between the South American and African plates?

A) Diagram a
B) Diagram b
C) Diagram c
D) Diagram d

Question 14

Use the following diagram to answer this question.


-Which of the images above best represents the plate boundary between the North American and Pacific plates along the San Andreas Fault?

A) Diagram a
B) Diagram b
C) Diagram c
D) Diagram d

Question 15

Use the following diagram to answer this question.


-Which of the images would be potential sites for both active volcanoes and deep earthquakes?

A) Diagram a and b
B) Diagram b and c
C) Diagram c and d
D) Diagram a, b, c, and d

Question 16

The magnetic North Pole migrated northward from 1902-2002.
How did magnetic inclination readings in the continental United States change during that period?

A) Inclination became steeper (moved towards vertical)
B) Inclination became less steep (moved towards horizontal)
C) Inclination remained constant

Question 17

Examine the map of the plate boundaries and answer this question.


-Oceanic ridges are present at all of the following locations.

A) A,C,H,G
B) D,J,E
C) F,H,J,D
D) G only

Question 18

Examine the map of the plate boundaries and answer this question.


-Oceanic trenches are present at all of the following locations.

A) A,C,H
B) H,J,E
C) F,J,D
D) B,E,C

Question 19

Examine the map of the plate boundaries and answer this question.


-New oceanic floor is being created at ____.

A) J
B) B
C) C
D) F

Question 20

Examine the map of the plate boundaries and answer this question.


-A major transform plate boundary is present at ____.

A) A
B) B
C) C
D) D
E) E

Question 21

Examine the map of the plate boundaries and answer this question.


-A subduction zone is located below ____.

A) H
B) G
C) C
D) D

Question 22

Examine the map of the plate boundaries and answer this question.


-Oceanic lithosphere is being recycled at ___.

A) H
B) G
C) C
D) D

Question 23

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 1.

A) Hutton
B) Wegener
C) Darwin

Question 24

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 2.

A) Pangaea
B) Sea-floor spreading
C) Continental drift

Question 25

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 3.

A) Pangaea
B) Sea-floor spreading
C) Continental drift

Question 26

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 4.

A) Lithosphere
B) Crust
C) Mantle

Question 27

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 5.

A) Hot spots
B) Centers
C) Boundaries

Question 28

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 6.

A) Earthquakes
B) Hot spots
C) Basins

Question 29

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 7.

A) Convergent
B) Divergent
C) Transform

Question 30

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 8.

A) Convergent
B) Divergent
C) Transform

Question 31

Complete the concept map by selecting the best response for the question numbers listed.


-Complete the concept map by selecting the best response for question number 9.

A) Convergent
B) Divergent
C) Transform

Question 32

What was the super-continent landmass proposed by the person whom formulated the idea of continental drift?

A) Pangaea
B) Rodinia
C) Eurasia

Question 33

Where are the youngest rocks found on the seafloor?

A) Trenches
B) Mid-ocean ridges
C) Along coastlines

Question 34

What happens to the age of seafloor rocks moving away from a mid-ocean ridge?

A) The rocks get younger.
B) The rocks get older.
C) The rock ages do not change.

Question 35

What happens to the depth of the seafloor moving away from a mid-ocean ridge?

A) The seafloor deepens adjacent to the ridge.
B) The seafloor shallows adjacent to the ridge.
C) The seafloor depth does not change adjacent to the ridge.

Question 36

Which two ideas were combined to form the theory of plate tectonics?

A) Continental drift and the Big Bang
B) Continental drift and the scientific process
C) Continental drift and seafloor spreading

Question 37

Where is new seafloor generated?

A) Trenches
B) Mid-ocean ridges
C) Along coastlines

Question 38

Where is seafloor returned to the mantle?

A) Trenches
B) Mid-ocean ridges
C) Along coastlines

Question 39

The speed of plate motion is approximately

A) 1-10 cm/yr.
B) 1-10 m/yr.
C) 1-10 km/yr.

Question 40

Approximately how old is the oldest oceanic crust?

A) 2 billion years
B) 200 million years
C) 20 million years
D) 2 million

Question 41

What is the proper order of Earth's compositional layers from the interior to the surface?

A) Crust, mantle, core
B) Mantle, core, crust
C) Core, mantle, crust

Question 42

What happens to the age of the Hawaiian Islands moving away from the hot spot?

A) They get older
B) They get younger
C) The age does not change

Question 43

What technology allows scientists to precisely measure plate motions?

A) Global seismometers
B) Global satellite imagery
C) Global positioning system

Question 44

Which type of plate motion is characteristic of a convergent boundary?

A) Plates move away from one another.
B) Plates move toward one another.
C) Plates move past one another.

Question 45

Which type of plate motion is characteristic of a divergent boundary?

A) Plates move away from one another.
B) Plates move toward one another.
C) Plates move past one another.

Question 46

Which type of plate motion is characteristic of a transform boundary?

A) Plates move away from one another.
B) Plates move toward one another.
C) Plates move past one another.

Question 47

What happens when an oceanic plate collides with a continental plate?

A) The continental plate is subducted.
B) The oceanic plate is subducted.
C) The oldest plate is subducted.

Question 48

Where is heat flow the greatest?

A) Near oceanic ridges
B) Near oceanic trenches
C) Near transform boundaries

Question 49

Scientists in the early 20^th century immediately accepted the idea of continental drift.

Question 50

Mid-ocean ridges are a source of volcanic activity.

Question 51

Earthquakes get shallower in the direction of subduction.

Question 52

The polarity of Earth's magnetic poles has reversed in the past.

Question 53

The magnetic field of the earth is vertical at the equator and horizontal at the poles.

Question 54

Plate tectonics explains past processes that shaped the Earth but not present-day processes.

Question 55

Subduction zones are found near passive margins.

Question 56

The Hawaiian Islands are located above a subduction zone.

Question 57

Plates are consumed at oceanic ridges.

Question 58

Earthquakes are most frequent along convergent plate boundaries.

Question 59

The oldest oceanic lithosphere in the Atlantic Ocean is located along the continental margins.

Question 60

A deep ocean trench is present along the east coast of South America.

Question 61

The east coast of the United States is a passive margin.

Question 62

Volcanoes only form above hot spots.

Question 63

Earth's magnetic poles are in the same location as the planet's geographic poles.

Question 64

Earth's magnetic poles today are considered normal polarity.