[DOC] [TLE] volcanoes [PAR] A Volcano is an opening in the earth surface through which lava, hot gases, ... 
The gas and magma blast out an opening called the central vent Most ... Finally, 
the trapped gas builds up so much pressure that it blasts the magma into 
fragments. ... Most volcanic ash falls to the surface and becomes welded together 
as rock... [DOC] [TLE] Volcano Facts and Types of Volcanoes - Live Science [PAR] Feb 20, 2013 ... A volcano is a vent or fissure in Earth's crust through which lava, ash, rock and 
gases erupt. ... It is broken up into 14 major and 38 smaller pieces called tectonic 
plates. ... Magma can explode from the vent, or it can flow out of the volcano ... 
Cinder cone volcanoes are fairly small, generally only about 300... [DOC] [TLE] Volcanoes, Magma, and Volcanic Eruptions - Tulane University [PAR] Sep 14, 2015 ... Since volcanic eruptions are caused by magma (a mixture of liquid rock, ... At 
depth in the Earth nearly all magmas contain gas dissolved in the ..... These solid 
particles become pyroclasts (meaning - hot fragments) and tephra or volcanic ... 
Similarly, ignimbrites grade into block and ash flows as the clast... [DOC] [TLE] Volcanoes and Volcanic Eruptions - Tulane University [PAR] Jan 27, 2012 ... Gases - At depth in the Earth nearly all magmas contain gas. ... Lava Tubes - 
Once the surface skin becomes solid, the lava can continue to flow ... Siliceous 
Lava Flows - High viscosity andesitic and rhyolitic lava flows, ... Alternatively it 
blast out solid pieces of rock that once formed the volcanic edifice. [DOC] [TLE] Volcanoes facts, information, pictures | Encyclopedia.com articles ... [PAR] A volcano is a hole in Earth's surface through which magma (called lava when it 
reaches Earth's surface), hot gases, ash, and rock fragments escape from deep 
inside the planet. ... Tuff: Fused hard rock formed from a large pyroclastic flow. ... 
The resulting explosive eruption hurls tons of almost solid magma into the sky, 
and... [DOC] [TLE] Glossary - Guide to Stratovolcanoes [PAR] Ash Cloud: A cloud formed from tiny ash particles and gases blasted from the 
volcano. ... Bombs: Hot lava thrown out in twisted chunks that may change shape 
during flight from the ... Debris avalanches, debris flows: See Avalanche. ... gases
, ash, volcanic fragments and lava on Earth's surface due to volcanic activity. [DOC] [TLE] EARTH SCIENCE LAB, Volcanic Materials Identification [PAR] Aug 1, 2011 ... Volcanic Lava Flows and Pyroclastic Materials ... Read through these definitions 
and become familiar with them before proceeding to the online... [DOC] [TLE] Volcanoes: Types, Formation, Elements | Online Homework Help ... [PAR] A volcano is a vent in the earth from which molten rock and gas erupt. ... The lava 
may flow out as a viscous liquid or it may explode from the vent as ... gas builds 
up so much pressure that it blasts the magma into fragments. ... Nearly all 
volcanic ash falls to the surface and becomes welded together as rock called 
volcanic... [DOC] [TLE] Volcano Hazards of the Lassen Volcanic National Park Area ... [PAR] Feb 22, 2001 ... photograph of a column of volcanic ash from Mount Lassen rising some ... 
California, blasted pumice and rock fragments high into the air. ... By now they 
had become accustomed to the sounds of small steam ... Eruptions about 27,000 
years ago formed Lassen Peak, one of the largest lava domes on Earth. [DOC] [TLE] volcanic ash - National Geographic Society [PAR] Oct 31, 2014 ... Volcanic ash is made of tiny fragments of jagged rock, minerals, and volcanic 
glass. ... As the ash spread, however, it transformed into microscopic shards 
called ... they violently push molten rock (magma) up and out of the volcano. ... an 
avalanche of ash, volcanic gases, and rock, called a pyroclastic flow. [DOC] [TLE] Molossian Institute of Volcanology - Glossary [PAR] Volcanic ash consists of rock, mineral, and volcanic glass fragments smaller than 
2 ... of solid rocks and violent separation of magma (molten rock) into tiny pieces.

Question: When it flows out of the earth, it becomes lava; when blasted into tiny fragments, it becomes volcanic ash
Answer: Magma