Science List #3

the resistance of a liquid to flow; a thick a stick consistancy

a dense cloud of superheated gases and rock fragments that moves quickly downhill from an erupting volcano

volcanic dust; fine grained lava that erupts or flows from a volcano before settling on the ground

landslide of volcanic material; a landslide or mudflow of volcanic debris, usually after a heavy rainfall

describes a volcano that is no longer active but may become active in the future

describes a volcano that is no longer active and is unlikely to erupt again

Large crater at the top of the volcano; caused by a major eruption fallowed by the collapse of the volcano's cone. It may later become a lake.

a hill or mountain formed by material that erupts onto the Earth's surface; caused by action of magma below the surface

bits of rock or solidified lava dropped from the air during an explosive volcanic eruption

a type of hot spring that shoots water into the air

composed of tephra; explosive eruption; small in size with a steep slope

formed from basaltic lava; quiet eruption; broad and wide with a gentle slope

formed from pyroclastic material layered with lava flows and volcanic debris; explosive eruption; huge with a steep slope