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Volcanic Classification

Earth Science - Middle School

 
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Volcanoes are classified by their shape. There are three types of volcanoes—composite, shield and cinder cone. Composite Volcano A composite volcano forms from alternating layers of ash and layers of flowing lava. Composite volcanoes have steep sides and may have a crater on top. This is the most common type of volcano. composite shield cinder cone shield cinder cone shield cinder cone Cinder Cone Volcano A cinder cone is a small, steep volcano that is created from the accumulation of ash and pyroclastic material. They often have a crater where the top of the volcano was blown off during an explosive eruption. Shield Volcano Shield volcanoes are wide, flat volcanoes formed by non-explosive lava flows. Layers of hardened lava result in a gently sloping mountain. The Hawaiian Islands were formed from shield volcanoes. crater lava flows Volcanic Classification © Copyright NewPath Learning. All Rights Reserved. 94-4538 Visit www.newpathlearning.com for Online Learning Resources. Photos courtesy of USGS.
Pause and Review Label and describe the different types of volcanoes. How does each form? Volcanic Classification composite shield cinder cone cinder cone shield cinder cone Type of volcano: __________________________ Description: ______________________________ __________________________________________ __________________________________________ _________________________________________ ___________________________________________ Type of volcano: __________________________ Description: ______________________________ __________________________________________ __________________________________________ _________________________________________ ___________________________________________ Type of volcano: __________________________ Description: ______________________________ __________________________________________ __________________________________________ __________________________________________ __________________________________________ © Copyright NewPath Learning. All Rights Reserved. 94-4538 Visit www.newpathlearning.com for Online Learning Resources.