II. Fill in the Blanks
Directions: Write the appropriate word on the blanks to complete the sentence.



1. During volcanic eruption, the primary material that a
volcano lets out is the hot molten rocks and is now called as ______


2. These gas bubbles are trapped and expanded causing the molten material to swell also, resulting in a gradual
increase in ______ within the volcano.


3. A volcanic ______ is one of several forces that change the surface of the Earth.


4. The rapid expansion of gas bubbles drives the magma to the surface and within minutes, the volcano erupts, explosively ______
hot lava and ash into the air.


5. Magma is extremely hot molten rock located under
Earth's surface. It is mostly found in the layer of Earth
known as the ________