GRADE 6 - FOURTH QUARTERLY EXAMINATION

Which of the following could be the signs of a volcanic eruption?

I. Release of smoke, sulfuric dioxide and other gases.

II. Change in shape, tilt or elevation of the volcano

III. Change in water level and temperature of underground water

IV. Shaking or trembling in areas near the volcano is felt.

• a. I and II

• b. II only

• c. I, II, III

• d.  I, II, III, IV

What is Magma when it reaches the surface of Earth?

• a. Lava

• b. Mafic Magma

• c. Felsic Magma

• d. Pyroclastic materials

Which of the following causes a random change on the surface of the Philippines?

crust?

• a. Sandstorm and thunderstorm

• b. forest fire and hurricanes

• c. earthquakes and volcanoes

• d. tsunamis and tornadoes

Why volcanic eruptions commonly are observed in the Philippines?

• a. the Philippines is located near the Circumpacific Belt

• b. the Philippines is located on top of active rocks

• c. the Philippines is located near the Hawaii

• d. All of the above

What is a volcano?

• a. A mountain that has lava all over it

• b. A giant hill filled with magma

• c. A long high sea wave

• d. A hole in the Earth where magma erupts

The following are the positive effects of volcano EXCEPT:

• a. creation of new land.

• b. Geothermal energy can be generated in areas where magma lies close to the    

       surface.

• c. Lava and Ash deposited during an eruption breaks down to provide valuable

      nutrients for the soil

• d. Habitats and landscapes are damaged by lava flows.

The following are effects of volcanic eruption EXCEPT:

• a. Lahar flow    

• b. Surrounding areas of volcano covered with ashes

• c. Scattered rocks and debris

• d. Toppled down buildings

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• a. Circle of Fire

• b. Ring of Lava

• c. Ring of Fire

• d. Circle of Magma

What is the importance of following instructions before, during and after earthquake and volcanic eruption?

• a. Accident will be avoided

• b. Life and property will be saved

• c. Accident may arise

• d. The readiness resiliency of every individual will be developed.

How will you keep yourself safe during calamities?

• a. Stay at home

• b. Be attentive and prepare the needed materials when you evacuate

• c. Immediately go to evacuation area

• d. All of the above