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Download Volcano by jose angel garcia gomez and alejandro cuthy gomez
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Transcript
Volcano by jose angel garcia gomez and alejandro cuthy gomez • Types of volcano Composite volcanoes • Volcanic activity is responsible for building up much of earths surface. lava from volcanoes cools and hardens into three types of mountains Shield volcanoes • Quiet eruptions gradually build up gently sloping mountains Cinder cone volcano • Ash ,cinder and bombs erupt explosively to form a cone shaped hill Lava plateau • A lava plateau is made up of many layers, of thin , runny lava that erupt from long cracks in the ground caldera a caldera is a big hole filled with pieces of volcanoes that have fallen inward , as well as some lava and ash Volcano neck • A volcanoes neck forms when magma hardens in the volcanoes pipe sill • When magma squeezes between horizontal layers of rock it forms into sill Thanks for watching by jose garcia gomez and cuthy gomez
