Module 3

Question 1

1. When magma in the earth’s mantle develops a great pressure, the ground above it
   is pushed upward. If this happens in the middle of an ocean, what landform is
   produced?
   A. mountain B. volcanic island C. volcano D. continent

Answer 1

B. volcanic island

Question 2

2. The tall landform created when two continental plates converge is called_______.
   A. mountain range B. volcanic arc C. rift valley D. Oceanic ridge

Answer 2

A. mountain range

Question 3

3. It is a plate that dives down under a less dense plate during subduction.
   A. subducting plate B. continental plate C. mantle D. overriding plate

Answer 3

A. subducting plate

Question 4

4. Materials in the mantle flow up and down. Which of the following best describes
   the mantle?
   A. a solid layer B. partially liquid C. a metallic layer D. very hot layer

Answer 4

B. partially liquid

Question 5

5. Which of the following happens when plates diverge or move away from each other?
   A. The crust is destroyed.
   B. New crust is produced because magma rises, then cools off and turns into
   solid.
   C. Earth’s size changes because mountains are added on the earth’s surface.
   D. The mantle rises.

Answer 5

B. New crust is produced because magma rises, then cools off and turns into
solid.

Question 6

6. A rift valley is formed simultaneously with which of the following type of plate
   boundary?
   A. Convergent C. Transform fault
   B. Divergent D. Both convergent and divergent

Answer 6

B. Divergent

Question 7

7. How do the plates move when we feel that the ground is shaking?
   A. toward each other
   B. away from each other
   C. slide past each other
   D. all of the above

Answer 7

D. all of the above

Question 8

8. It is a landform produced when two continental plates converge.
   A. volcano B. fault C. mountain D. volcanic island

Answer 8

C. mountain

Question 9

9. Most transform fault boundaries are found in the oceans; a few are on the
   continents. An example of this type is the San Andreas Fault located in
   A. Marikina, Philippines B. California, USA C. Japan D. Saudi Arabia

Answer 9

B. California, USA

Question 10

10. It is otherwise known as an underwater mountain.
    A. oceanic ridge B. trench C. hill D. volcanic island

Answer 10

A. oceanic ridge

Question 11

11. It is a chain of volcanoes developed parallel to a trench or a crack under the
    ocean.
    A. mountain range C. volcanic island arc
    B. volcanoes D. mountainous

Answer 11

C. volcanic island arc

Question 12

12. It is formed when ocean water flips upward, sometimes up to certain meters high,
    due to the great push caused by convergence of plates.
    A. wave C. tides
    B. tsunami D. storm

Answer 12

B. tsunami

Question 13

13. It is the point where two plates meet or collide while converging.
    A. collision zone C. subduction zone
    B. sinking point D. meeting point

Answer 13

A. collision zone

Question 14

14. The place where a subducting plate reaches the mantle during convergence.
    A. collision zone C. mantle plume
    B. subduction zone D. magma

Answer 14

B. subduction zone

Question 15

15. The word used to refer to the shaking of the ground due to any activity in the
    lithosphere.
    A. intensity B. earthquake C. Volcanism D. wave

Answer 15

B. earthquake

Question 16

1. There is no formation of volcanoes in the convergence between __________.
   A. two oceanic plates C. oceanic and continental plates
   B. two continental plates D. none of these

Answer 16

B. two continental plates

Question 17

2. When a plate is denser, it subducts toward the mantle and forms magma. This
   process ends up in the formation of ______.
   A. mountain range C. volcanoes
   B. trenches D. faults

Answer 17

C. volcanoes

Question 18

3. Shallow earthquakes are associated with __________.
   A. volcanic eruption C. a tsunami in the ocean
   B. subduction process D. mountain formation

Answer 18

D. mountain formation

Question 19

4. In the convergence between a continental and an oceanic plate, there is
   subduction. Which of the following statements does not support this fact?
   A. One plate carries water along with it.
   B. One plate is denser.
   C. The temperature in the mantle is higher than in the crust.
   D. One plate overrides the other.

Answer 19

C. The temperature in the mantle is higher than in the crust.

Question 20

5. Which of the following is formed in the convergence of two oceanic or oceanic and
   continental plates?
   A. Volcanic island arcs C. rift valley
   B. mountain range D. Oceanic ridge

Question 21

6. Of the following, which event or process takes place when two continental plates converge?
   A. earthquake C. tsunami
   B. subduction D. magma formation

Answer 21

A. earthquake

Question 22

7. A crack on the ground underwater is produced when oceanic crust interacts with
   another crust. What do we call this geologic feature?
   A. fault C. ridge
   B. trench D. crack

Answer 22

C. ridge

Question 23

8. It is a phenomenon that takes place due to the movement of plates during
   convergence.
   A. earthquake C. subduction
   B. magma formation D. tsunami

Answer 23

A. earthquake

Question 24

9. It is the crack on the dry ground or plate caused by horizontal plate movement.
   A. fault C. valley
   B. trench D. ridge

Answer 24

A. fault

Question 25

10. It is an event that may take place on the water surface when a great force pushes
    a significant amount of water upwards.
    A. ocean wave C. tsunami
    B. typhoon D. ocean tide

Answer 25

C. tsunami

Question 26

11. Subduction is illustrated in which of the following?
    A. convergent plate boundary
    C. divergent plate boundary
    B. transform fault boundary
    D. subducting plates

Answer 26

A. convergent plate boundary

Question 27

13. Earthquake, as an effect of plate movement, results in boundaries where plates
    are
    a. converging b. sliding past c. diverging d. subducting
    A. a only B. b only C. a and b D. a, b, and c

Answer 27

D. a, b, and c

Question 28

14. Most of the Philippine Islands were once part of island arcs. This means that
    along with this boundary, there once existed two ___________.
    A. converging continental plates
    C. converging oceanic plates
    B. diverging plates
    D. plates sliding past each other

Answer 28

C. converging oceanic plates

Question 29

15. Why are volcanoes mostly found at places where continents meet the seas?
    A. It is where water meets land.
    B. It is where the oceanic plates subduct under the continental plate.
    C. Underneath it is a subduction zone.
    D. More magma is produced under the ground because of the muddy seafloor.

Answer 29

B. It is where the oceanic plates subduct under the continental plate.