3rd Quarter

• Molten rock that erupts from a volcano that solidifies as it cools.

  LAVA
• An opening in Earth's surface through which volcanic materials escape.

  VENT
• A flat piece of rock formed when magma hardens in a crack in a volcano. 

  SILL
• A small cone-shaped volcano formed by an accumulation of volcanic debris. 

  Parasitic Cone
• Molten rock beneath Earth's surface. 


  Magma
• Mouth of a volcano - surrounds a volcanic vent.


  Crater
• An underground passageway of magma travels through

  CONDUIT
• Highest point; apex

  Summit
• Entrance of a volcano. The part of the conduit that ejects lava and volcanic ash.

  THROAT
• Fragments of lava or rock smaller than 2 mm in size that are blasted into the air by volcanic explosions.

  ASH
• Circular or oval cones. They are made up of small fragments of lava,

  Cinder Cone
• Steep-sided volcanoes and are made up of lots of layers of volcanic rocks.

  Composite Volcano
• Bowl or shield-shaped in the middle. When they erupt, the lava is quite runny and it travels long distances

  Shield Volcano
• It is also referred to as volcanic dome. These are relatively small, circular mounds formed because the lava is simply too viscous to flow.

  Lava Dome
• is a volcano that has had at least one eruption during the past 10,000 years. (ACTIVE OR INACTIVE)

  A
• Having erupted within historical times.

  A
• Mt. Mayon and Taal are some examples of these volcano. 

  A
• There are recorded volcanic activities in the Philippines. 

  A
• Mt. Urot and Batuan are some examples of these volcano

  IN-A