SCIENCE 9 TYPES OF VOLCANOES

1. What type of volcano is commonly found in the Pacific Ring of Fire?

• A. Cinder volcano             

• B. Scoria cone                  

•   C. Shield volcano

•   D. Stratovolcano

2. The semi-molten rock underneath a volcano is called___________.

• A. Geyser                          

• B. Lahar                             

•   C. Lava

• D. Magma

A volcano that is said to be dormant is classified as__________.

• A. Active                             

• B. Extinct                          

• C. Inactive

•   D. Tectonic

4. What part of a typical volcano is described as the opening through which volcanic materials are ejected?

• A. Vent                                

• B. Flank                            

• C. Crater

•   D. Ash laye

5. Which of the following is NOT a type of volcano base on shape?

• A. Composite                      

• B. Vulcanian                       

• C. Shield

• D. CindeR

6. Which type of volcano has broad summit areas, which makes it resemble a warrior's shield?

• A. Composite                       

• B. Shield 

• C. Cinder cone

•                             D. Inactive

7. What type of volcano has a steep conical hill of volcanic debris deposited around a volcanic vent?

• A. Extinct                              

• B. Composite                       

• C. Cinder cone

•  D. Shield

8. Which of the following volcanoes is inactive or dormant?

• A. Mt. Apo                           

• B. Mt. Iraya                        

• C. Mt. Mayon

• D. Mt. Taal

9. What type of volcanic eruption results from the fragmentation and explosion of a plug of lava in a volcanic conduit, or from the rupture of a lava dome?

• A. Plinian

• B. Strombolian

• C. Vulcanian

• D. Phreatomagmatic

10. Which one is NOT a common sign that a volcano is about to erupt?

• A. Occurrence of volcanic tremors

• B. Crater glow due to the presence of magma at or near the crater

• C. Rocks falls and landslide from the summit after days of heavy rains

• D. Change in color of steam emission from white to gray due to entrained ash