It is opening, or vent where lava, tephra (small rocks), and steam erupt on to the Earth's surface

• volcano

• mountain

• magma

• valley

Volcanic eruption that describes periodic weak to violent type of eruption characterized by fountain lava.

• vulcanian

• plinian

• strombolian

• phreatic

Type of volcanic eruption characterized by tall and dense cloud of ash-laden gas exploding from the crater and rising high above the peak up to 20 km high.

• vulcanian

• plinian

• phreatomagmatic

• phreatic

Steam-driven explosions that occur when water beneath the ground or on the surface is heated by magma, lava, hot rocks, or new volcanic deposits.

• vulcanian

• plinian

• phreatomagmatic

• phreatic

Volcanic eruption described as a large quantity of gas, dust, ash, and incandescent lava fragments are blown out of a central crater, fall back, and form tongue-like. Such eruptive activity can cause great destruction and loss of life if it occurs in populated areas.

• vulcanian

• plinian

• phreatomagmatic

• phreatic

Volcanic eruptions resulting from interaction between magma and water. As a result, a large column of very fine ash and high speed and sideway emission of pyroclastic called base surges are observed.

• vulcanian

• plinian

• phreatomagmatic

• phreatic

Where does the word “volcano” come from ?

• volume

• venus

• the God Vulcan

• Italian for Angry

What is the common health problem during volcanic eruption?

• Fever

• Liver cirrhosis

• Cancer

• Respiratory illness

Which of the following is NOT one of the materials ejected or released from a volcano during an eruption?

• Potassium

• Oxygen

• Silicon dioxide

• Phosphorus

What do you call the release of magma from a volcano?

• Epicentre

• Earthquake

• Hotspot

• Eruption