Science

• Molten rock beneath Earth's surface.


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

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

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

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

  LAVA