Summarization

Question 1

1. The record of geomagnetic data on the rocks is evident of plate movements. Which evidence is this?
   A formation of Mountains
   C. paleomagnetism
   D. fossil
   B. coastline matching

Answer 1

C. Paleomagnetism

Question 2

2. Which of the following statements about the distance-
   time graph is correct?
   A. P and S are lying on the same line.
   B. S wave graphs always intersect each other.
   C. S wave graph is drawn on top of P wave graph.
   D. S wave graph is drawn at the bottom of P wave graph.

Answer 2

C. S wave graph is drawn on top of P wave graph

Question 3

3. At the subduction zone, why does the oceanic crust
   “subduct beneath the continental crust?
   A. The oceanic crust has a greater density.
   B. The oceanic crust is pushed from the ridge.
   C. The continental crust has a denser composition.
   D. The oceanic crust is pulled downward by Earth’s
   magnetic field.

Answer 3

A. The oceanic crust has a greater density

Question 4

4. Where does the sea floor spreading take place?
   A. Oceanic rift zone
   B. Mid ocean Ridge
   C. convergent boundary
   D. divergent boundary between two oceanic plate

Answer 4

B. Mid Ocean Ridge

Question 5

5. What geologic features were produced by the collision
   of the two continental plates?
   A. earthquake epicenter
   B. volcanic island arc
   C. mountain
   D. fault

Answer 5

C. mountain

Question 6

6. What geologic feature produced in the convergence of
   two continental plates?
   A. folded mountains
   B. rift valleys
   C. Island arcs
   D. trenches

Answer 6

A. Folded Mountain

Question 7

7. Where does the sea floor spreading take place?
   A. divergent boundary between two oceanic plates
   B. convergent boundary
   C. Mid ocean Ridge
   D. Oceanic rift zone

Answer 7

C. Mid Ocean Ridge

Question 8

8. The spreading of plates per year is approximately
   A. 3 meters per year
   B. 30 cm per year
   C. 3 km per year
   D. 3 cm per year

Answer 8

D. 3 cm per year

Question 9

9. Which of the following is evidence of tectonic plates
   theory?
   A. fossils in almost all continents
   B. apparent fit of some continents
   C.paleomagnetism
   D. all of the above

Answer 9

C. Paleomagnetism

Question 10

10. Why will you believe that continents are was once
    connected to each other?
    A. Because of coal deposits in Antarctica.
    B. Because dense oceanic plate subducts.
    C. Because of the movie SAN ANDREAS.
    D. Because mountains are formed between two converging continental plates.

Answer 10

A. because of coal deposits in Antartica

Question 11

11. Where are the youngest rocks on the ocean floor often found?
    A. Mid ocean ridge
    B. An abyssal plain
    C. a continental shelf
    D. on subduction trench

Answer 11

A. Mid Ocean Ridge

Question 12

12. How do you calculate the lag time if P wave and
    wave are given?
    A. P wave minus S wave
    B. S wave minus P wave
    C. P wave plus S wave
    D. S wave plus P wave

Answer 12

B. S waves minus P waves

Question 13

13. Which of the following prove that plates are actually
    moving?
    A. location of earthquake epicenters
    B. location of mountains
    C. location volcano
    D. all of the above

Answer 13

D. All of the above

Question 14

14. Why does volcanoes are scattered in the islands of the Philippines?
    A. The Pacific plate is older than the Philippine plate.
    B. The Pacific plate subduct under Philippine plate.
    C. The Philippine plate converge with Pacific plate.
    D. All of the above.

Answer 14

D. All of the above

Question 15

15. An epicenter station is 5,600 km away. How long
    after the S-wave arrive?
    A. 16
    B. 15
    C. 14
    D. 13

Answer 15

Bonus

Question 16

16. Which of the following outcomes would you expect if
    two oceanic plates collided?
    A. trench
    C. rift valley
    B. volcano
    D. fault line

Answer 16

B. Volcano

Question 17

17. What mineral is the best evidence that Antarctica
    was once a supercontinent?
    A. uranium
    B. silver
    C. gold
    D. coal

Answer 17

D. Coal

Question 18

18 What time, in seconds, is used in determining the
distance epicenter?
A 5 sec
B. 10 sec
C. 8 sec
D. 12 sec

Answer 18

C. 8 sec

Question 19

19. Convergent boundary is also called as
    A Conservative Plate Boundary
    B. Construction Plate Boundary
    C. Destructive Plate Boundary
    D. Deductive Plate Boundary

Answer 19

C. Destructive Plate Boundary

Question 20

20. Why does the oceanic crust sink beneath the continental crust at then subduction zone?
    A. The oceanic crust has a greater density.
    B. The oceanic crust is pushed from the ridge.
    C. The continental crust has a denser composition.
    D. The oceanic crust is pulled downward by Earth’s
    magnetic field.

Answer 20

A. The oceanic crust has a greater density.

Question 21

21. What topographic feature is formed in divergent boundary?
    A fault
    B. mountain
    C. Rift Valley
    D. Volcano

Answer 21

C. Rift Valley

Question 22

22. Most volcanoes are located at the edges of pacific plate this is due to
    A. convergent
    B. transform
    C. divergent
    D. subduction

Answer 22

A. Convergent

Question 23

23. Philippines is mostly a formation of volcano. This makes that its plate is
    A. Magnetic
    C. Continental
    B. Lithospheric
    D. Oceanic plate

Answer 23

D. Oceanic plate

Question 24

24. Which of the following always takes place during-oceanic plate - oceanic plate convergence?
    A. rising of magma due to its low density.
    B. subduction of leading plate due to its high density.
    C. they have a tendency to rise and collide with each other.
    D. melting of the leading plate due to high temperature at the asthenosphere.

Answer 24

B. Subduction of leading plate due to its high density

Question 25

25. What type of plate boundary is present between two sliding plates?
    A. tectonic
    C. transform
    B. divergent
    D. convergent

Answer 25

C. Transform