Question 1

Which of the following best describes composite volcano?

Accepted Answer

formed by layers of lava and pyroclastic deposits

Answer

made of cement and dead plants

Answer

built by using mud and rocks

Answer

characterized by fountains of lava and gas

Question 2

How will you know if the volcano is shield type form?

Accepted Answer

lava is very fluid when erupted

Answer

magma turns into lava

Answer

rocks becomes cold as ice

Answer

has very sticky pyroclastic material

Question 3

What are cinder cone volcanoes known for?

Accepted Answer

bursting lava and rocks when erupted

Answer

diversity of plants and animals living around the volcano

Answer

common volcanoes in the Hawaiian plate boundaries

Answer

shield and dome formed structure

Question 4

What causes a shield volcano to be shaped like a broad dome? It iscaused by ____.

Accepted Answer

low viscosity of lava that oozes out from the volcano

Answer

excessive ejected rock fragments inside the volcano

Answer

rocks that trap inside the main vent

Answer

high viscosity of magma that came out from the volcano

Question 5

If you could describe a composite volcano to your friend using an example found in the Philippines, what would it be and why?

Accepted Answer

Mt. Mayon because it has the perfect cone shape.

Answer

Mt. Pinatubo because it is part in Philippine history

Answer

Mt. Pinatubo because it is part in Philippine history

Answer

Mt. Kanlaon because it looks like a warrior’s shield.

Question 6

Which of the following is true about inactive volcano?

Accepted Answer

structures are eroded and has long gullies

Answer

could have a chance to be erupted in the future

Answer

has at least on record of historical eruption

Answer

made by lava, ashes, and pyroclastic material

Question 7

Which of the followingbest describes Mt. Apo and Mt. Mayon?

Accepted Answer

Mt. Apo is potentially active volcano while Mt. Mayon is active volcano

Answer

Mt. Apo is inactive volcano while Mt. Mayon is potentially active volcano

Answer

Mt. Apo is an active volcano while Mt. Mayon is inactive volcano

Answer

Mt. Apo and Mt. Mayon can be active and inactive volcano

Question 8

Which of the following is an active volcano?

Accepted Answer

Kanlaon in Negros Oriental

Answer

Tamburok in Biliran

Answer

Urot in Sulu

Answer

Chocolate Hills

Question 9

Philippines belongs to Pacific Ring of Fire. What is the common type of volcano found in the Philippines?

Accepted Answer

Cinder

Answer

Shield

Answer

Mountain

Answer

Composite

Question 10

How are cinder conesbuild?

Accepted Answer

ejected lava fragments

Answer

cemented lava

Answer

decrease level of magma

Answer

gaseous ashes

Question 11

Whatis the primary cause of the Taal Volcano eruption?

Accepted Answer

D. steam-driven

Answer

pyroclastic release

Answer

ejected lava

Answer

rock destruction

Question 12

What is the volcanic eruption describe in the sentence number 2 and 3 in the second paragraph?

Accepted Answer

Phreatomagmatic

Answer

Phreatic

Answer

Plinian

Answer

Pelean

Question 13

How is Undersecretary Renato Solidum describe the phreatomagmatic eruption?

Accepted Answer

“magma must reach the surface and began to boil many of the water inside the main crater until it exploded to very high levels.”

Answer

“… magma, we have already alerted the residence of Taal Volcano Island to evacuate because we will be raising Alert Level 2.”

Answer

“magma rapidly ascended. And by 3:00 p.m., it’s already boiling the water.”

Answer

“magma reach the crater and we see lightning flashes due to lava fountain.”

Question 14

Based on the statement provided by Undersecretary Renato Solidum, how did the Taal Volcano experienced strombolian eruption? It ____________________________.

Accepted Answer

experience weak to violent eruption and lava fountain

Answer

does not show excessive explosive type of eruption.

Answer

does not mention it in the press con

Answer

shows the boiling of water and sudden contact of magma.

Question 15

How will you evaluate thesequence of volcanic eruption of Taal Volcano on January 2020?

Accepted Answer

phreatic to phreatomagmatic to strombolian

Answer

strombolian to phreatomagmatic to phreatic

Answer

phreatic to strombolian to phreatomagmatic

Answer

phreatomagmatic to phreatic to strombolian

Question 16

What is pyroclastic? Pyroclastic is ________________________________.

Accepted Answer

fast-moving mixtures of volcanic particles, hot gases, and ash.

Answer

composed of plastic that melt inside the volcano and spew out from thecrater.

Answer

eroded and weathered materials forming long gullies.

Answer

a molten material inside the earth crust that oozes outside the volcano

Question 17

Whatare the gas release by a volcanic eruption?

I. water vapour III. hydrochloric acid

II. carbon dioxide IV. sulfur dioxide

Accepted Answer

I, II, and IV

Answer

I, II, and III

Answer

II, III, and IV

Answer

I, III, and IV

Question 18

What type of volcanic eruption is recorded by Mt. Pinatubo?

Accepted Answer

Plinian

Answer

Fireworks

Answer

Phreatomagmatic

Answer

Phreatic

Question 19

How can Mt. Pinatubo describe and consider as Vulcanian as a type ofvolcanic eruption? It _______.

Accepted Answer

characterized 40 km ash cloud channeled in the atmosphere.

Answer

releases more dense pyroclastic.

Answer

makes the crater extends to 2.5 km in diameter.

Answer

is considered as the most explosive eruption in history.

Question 20

What makes the Mt. Pinatubo considered as Plinian eruption? It__________.

Accepted Answer

releases highly explosive gas and pyroclastic.

Answer

makes the Philippines feel the end of the world.

Answer

is made by high viscous magma that oozes out from the volcano.

Answer

characterize high channel and tall column of gas release in the atmosphere.

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