VOLCANO

What is the government agency responsible for classifying and studying volcanoes?

• DOJ

• DOST

• PHIVOLCS

• DEPED

What do you call the funnel-shaped opening at the top of a volcano?

• CALDERA

• CRATER

• SLOPE

• SUMMIT

Which of the following characteristics of a volcano depends on its magma emission?

• AGE

• LOCATION

• SIZE

• SHAPE

Which of the following is an active volcano in the Philippines?

• MT. COCORO

• MT. CABALUYAN

• MT. MAYON

• MT. UROT

What do call the type of volcano characterized by fountain lava?

• PHREATIC

• PLINIAN

• STROMBOLIAN

• VULCANIAN

Which of the following type of volcanic eruption happened in Mt. Pinatubo?

• PHREATOMAGMATIC

• PLINIAN

• STROMBOLIAN

• VULCANIAN

Which of the following is NOT a factors affecting the volcanoes eruptive styles?

• amount of dissolve gas

• Chemical Composition      

• Magma’s Temperature

• Appearance of dust and ash

What do you call the volcanic cone that nearly perfect sloped structure formed from alternate

       solidification of both lava and pyroclastic deposits?

• CINDER

• COMPOSITE

• SHIELD

• BOTH CINDER AND COMPOSITE

What do you call the type of volcano formed by the accumulation of lava that oozes from volcanoes?

• cinder

• composite

• shield

• both shield and cinder

Which of the following factors associated with huge volcanic eruptions may cause the decrease in the Earth’s average temperature for a few years?

• heat

• light

• acid rain

• volcanic ash