Directions: Read the questions carefully. Write the letter of the correct answer on

the space provided before the number.

____1. Volcanoes erupt differently, the following are types of volcanic eruption

EXCEPT ___________.

A. Composite B. Hydrothermal C. Vulcanian D. Strombolian

____2. Which of the following is NOT a sign of an impending volcanic eruption?

A. Explosion with lava and ashes

B. Increase in the frequency of volcanic quakes

C. Drying up of springs/wells around the volcano

D. Increase in the extent of drying up of vegetation around the volcano’s

upper slopes.

____3. Another way of classifying volcanoes is by their cone. Which of the following

volcanoes in the Philippines is classified as Composite Cone?

A. Iraya Volcano C. Mayon Volcano

B. Kanlaon Volcano D. Taal Volcano

____4. The following are the external parts of volcano EXCEPT _________________?

A. base B. magma C. slope D. summitPHIVOLCS classify volcanoes according to records of the eruption. Which of

the following DOES NOT describe an active volcano?

A. with records of eruption

B. erupted 10,000 years ago

C. have not erupted for the last 10,000 years

D. with records of eruption within the last 600 years​