What Happens When Volcanoes Erupt

1.     What do you call the molten rocks when they are being ejected out of a volcano?

• A. lava        

•   B. magma       

•   C. rocks          

• D. water

Which of the following is NOT a negative effect of volcanic eruption?

• A. Climate Change                           

• B. Flood

• C. Landslide                 

• D. Reforestation

3.

Which of following you should do during volcanic eruption?

• A. Assist in evacuating children

• B. Cover mouth with wet cloth

• C. Stay away from river for possible lahar flow

• D. All of the above

When magma reaches the earth it is called?

• A. Ash       

•    B. Gas           

•    C. Lava       

•    D. Stone

  What causes a volcano to erupt?

• A. too much heat

• B. too much pressure

• C. both a and b

• D. cannot be determined 

Which of the following has negative effects and can cause loss of lives and properties?

• A. Climate     

•   B. Global Warming   

•      C. Volcanic eruption    

•      D. Weather

   Which volcano has the longest volcanic eruption in the year 1991?

• A. eruption of Mt. Mayon

• B. eruption of Mt.Pinatubo

• C. eruption of Musuan Volcano

• D. eruption of Taal Volcano

What government agency is responsible for the monitoring of earthquakes and volcanoes in our country.?

• A.DOST           

• B.NASA          

• C.PAG ASA         

• D.PHIVOLCS

What do you call the vent in the Earth’s crust from which eruption occurs?

• A. Black Hole       

• B. Fault         

• C. Rock      

•        D. Volcano

Which secondary event is caused by volcanic eruption?

• A. Disease           

• B. Floods        

• C. Tornado      

• D. Typhoon