Volcanos This paper will define and discuss the volcano to include: types of volcanoes, formation of a volcano, and elements of a volcano; such as, lava, rock fragments, and gas. This paper also tells a little bit about volcanic activity in different parts of the world. What is a volcano? A volcano is a vent in the earth from which molten rock and gas erupt. The molten rock that erupts from the volcano forms a hill or mountain around the vent. The lava may flow out as a viscous liquid or it may explode from the vent as solid or liquid particles. Kinds of Volcanic Materials Three basic materials that may erupt from a volcano are; 1. lava, 2. rock fragments, and 3. gas. Lava Lava is the name for magma that has been released onto the Earth's surface. When lava comes to the Earth's surface, it is red hot and may have temperatures of more than 2....

Number Of Pages: 5

Number Of Words: 1358

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