Plate Tectonics Review

Unit 10-Plate Tectonics:

Review

Read part 1 and answer questions 1+2

Fill in the Blanks

The image below shows the boundary between two lithospheric plates. Point X is a location in the continental lithosphere. The depth below Earth's surface is labeled in kilometers.

a)What layer is point X located in?

1.

The image below shows the
boundary between two
lithospheric plates. Point X is
a location in the continental
lithosphere. The depth below
Earth's surface is labeled in
kilometers.

a)What layer is point X
located in?

______________________

b)Compared to the
continental crust, the oceanic
crust is (circle the correct
responses)
Density: More / Less
Thickness: Thicker / Thinner

Ridged Mantle

Dropdown

Compared to the continental crust, the oceanic crust is (circle the correct responses)

Density: ​

Select answer

                Thickness:  ​ ​

Select answer

1.

The image below shows the
boundary between two
lithospheric plates. Point X is
a location in the continental
lithosphere. The depth below
Earth's surface is labeled in
kilometers.

a)What layer is point X
located in?

______________________

b)Compared to the
continental crust, the oceanic
crust is (circle the correct
responses)
Density: More / Less
Thickness: Thicker / Thinner

Ridged Mantle

Dropdown

What type of rocks are 

continental crust made of? ​

Select answer

Oceanic crust made of? ​

Select answer

2. What type of rocks are

●continental crust made of? __________________

●Oceanic crust made of? ____________________

Granite

Basalt

Use the information to answer the questions that follow in
Part 2:

Directions: Using the information to answer questions 3-5

Multiple Choice

Between which two lithospheric plates could the boundary in the image below be located?

•  South American Plate and African Plate

• Scotia Plate and Antarctic Plate

• Nazca Plate and South American Plate 

• African Plate and Arabian Plate

3.Between which two lithospheric plates could the boundary in the image below be
located?

A) South American Plate and African Plate

B) Scotia Plate and Antarctic

Plate
C) Nazca Plate and South American Plate

D) African Plate and Arabian

Plate

What type of plate?
Convergent

A) South American Plate
and African Plate

B) Scotia Plate and
Antarctic Plate

C) Nazca Plate and South
American Plate

D) African Plate and
Arabian Plate

Fill in the Blanks

The map shows some of Earth's tectonic plates and the boundaries between them. Letters A through D represent locations on Earth's surface.

a)State the name of the mid-ocean ridge found at location C.

4. The map shows some of
Earth's tectonic plates and
the boundaries between
them. Letters A through D
represent locations on
Earth's surface.

a)State the name of the
mid-ocean ridge found
at location C.

4. The map shows some of
Earth's tectonic plates and
the boundaries between
them. Letters A through D
represent locations on
Earth's surface.

a)State the name of the
mid-ocean ridge found
at location C.

East Pacific Ridge

Fill in the Blanks

Identify one geologic feature found along the subducting plate boundary at location A.

b)Identify one
geologic feature
found along the
subducting plate
boundary at
location A.

b)Identify one
geologic feature
found along the
subducting plate
boundary at
location A.

Mariana Trench

Dropdown

Identify the names of the subducting plate and overriding plate at location B.

Subducting plate: ​

Select answer

Overriding Plate: ​

Select answer

c) Identify the names of the
subducting plate and
overriding plate at location B.

Subducting plate:
______________________

Overriding Plate:
_______________________

c) Identify the names of the
subducting plate and
overriding plate at location B.

Subducting plate:
______________________

Overriding Plate:
_______________________

Pacific Plate

North American Plate

Dropdown

Identify the type of tectonic plate boundary represented at location D.

​

Select answer

d) Identify the type of
tectonic plate
boundary represented
at location D.

d) Identify the type of
tectonic plate
boundary represented
at location D.

Transform

Draw

Complete the diagram below by shading in the pattern of normal polarity on the east side of the Mid-Atlantic Ridge center. Assume that the rate of plate movement was constant on both sides of the ridge center. Your answer must show the correct width and placement of each normal polarity section.

Use the information to answer the questions that follow in Part 3:

Directions: Using the information above answer questions 6-15

Multiple Choice

6. Base your answer on the cross-sectional view of Earth below, which shows seismic waves traveling from the focus of an earthquake. Points A and B are locations on Earth's surface.

Which statement best explains why only one type of seismic wave was recorded at location B?

• A) S-waves cannot travel through the liquid outer core.

• B) S-waves cannot travel through the liquid inner core.

• C) P-waves cannot travel through the solid outer core.

• D) P-waves cannot travel through the solid inner core.

Base your answer on the cross-sectional
view of Earth below, which shows seismic
waves traveling from the focus of an
earthquake. Points A and B are locations
on Earth's surface.

Which statement best explains why only
one type of seismic wave was recorded
at location B?
A) S-waves cannot travel through the
liquid outer core.
B) S-waves cannot travel through the
liquid inner core.
C) P-waves cannot travel through the
solid outer core.
D) P-waves cannot travel through the
solid inner core.

Labeling

Label the diagram correctly:

Drag labels to their correct position on the image

Slower

P-Wave

S-Wave

Faster

Earthquake Wave Model:

Earthquake Wave Model:

P-Wave/S-wave

P-Wave/S-wave

Faster/Slower

Faster/Slower

1.

Circle the correct answers in the table below based on the diagram:

8. What are tsunamis caused by?

9. Once a tsunami warning is
issued, which action should
residents take to prevent loss of
life?

8. What are tsunamis caused by?

9. Once a tsunami warning is
issued, which action should
residents take to prevent loss of
life?

Earthquakes under the ocean.

Go to higher ground.

Fill in the Blanks

The distance from the epicenter of an earthquake is 2600 kilometers. How long did it take the first P-wave to reach the epicenter?

Minutes

Fill in the Blanks

What is the answer to box A (h:min:s)

Fill in the Blanks

what is the answer to box B:

km

Fill in the Blanks

What is the answer to Question C (h:min:sec)

Fill in the Blanks

Insert the questions to. letter D:

km

Fill in the Blanks

Answer (E) (h:min:sec)

Fill in the Blanks

Answer question F (H:min:sec)

Dropdown

Which Station is furthest away from the epicenter? ​

Select answer

​Absent of S waves furthest away

Fill in the Blanks

A seismic station that is 4000 kilometers from the epicenter of an earthquake records the arrival time of the first P-wave at 10:00:00 (hours: minutes:seconds). At what time did the first S-wave arrive at this station?

Fill in the Blanks

An earthquake occurs at 10:05 a.m. At 10:09 a.m., the first P-wave from this earthquake is detected at a seismic station. Approximately how many kilometers (km) from the epicenter is this seismic station located?

km

Distance from Seismic Station

B-Boston to the Epicenter

2,700 km

1.

On your answer sheet, the distance from the epicenter to Seismic
Station A- Anchorage is drawn with a circle.

2.

Using the information given, draw a circle for the distance to
Seismic station B-Boston. Record this information on your answer
sheet.

​Draw the circle with the compass on your paper

Fill in the Blanks

Use the seismograph below to determine the difference in arrival time of the P-wave and the S-wave for station C-Montreal.

Time Difference: Min:Sec

Fill in the Blanks

Using the Earthquake chart provided, determine the epicenter distance for Station C-Montreal. Record this value below:

km

​Make sure to draw your 2 circles using your compass on your paper

Fill in the Blanks

Use the seismograph below to determine the difference in arrival time of the P-wave and the S-wave for station C-Montreal.

Time Difference: Min:Sec

Fill in the Blanks

Using the Earthquake chart provided, determine the epicenter distance for Station C-Montreal. Record this value below:

km

​Make sure to draw your two circles and mark where the meet with an X if they don't meet make an X in the triangle where the three circles meet