A volcano is an opening in Earth ’s crust. Provide a vocabulary list of important terms. Usually found in a mountain, the opening allows gas, hot magma and ash to escape from beneath the Earth’s crust.. 2. Define what a volcano is. Learn more. When a volcano erupts, hot gases and melted rock from deep within Earth find their way up to the surface. Yet, while eruptions are spectacular to watch, they can cause disastrous loss of life and property, especially in densely populated regions of the world. A volcano can also be classified as an extinct volcano, which means that it is a volcano that is not expected to erupt again. Of the three types of volcano, the shield is the largest in terms of area. Information and translations of volcano in the most comprehensive dictionary definitions resource on the web. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. volcano definition: 1. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases…. See more. Key words that kids should know to understand volcanic eruptions are: magma, lava, crust, mantle, core and plates. This material may flow slowly out of a fissure, or crack, in the ground, or it may explode suddenly into the air. In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth.It is a hole in … Eruptions can come from side branches or from the top of the volcano. What is a Volcano? Definition of Shield Volcano. Volcanic eruptions may be very destructive. Volcano definition, a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. The word “volcano” comes from the Roman name “Vulcan”. Provide them with a simple definition and show images of volcanoes, either through a PowerPoint presentation or from a textbook. A volcano is a mountain that has lava (hot, liquid rock) coming out from a magma chamber under the ground, or did have in the past. Some are quiet outflows of hot lava.Several more complex types of volcanic eruptions have been described by volcanologists.These are often named after famous volcanoes where that type of eruption has been … Cinder cone volcanoes are impressive for their explosive eruptions and classic looks. The Earth's crust is broken into 17 major, rigid tectonic plates.These float on a hotter, softer layer in its mantle.Volcanoes are often found where tectonic plates are moving apart or coming together. Volcano, vent in the crust of Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases.A volcanic eruption is an awesome display of Earth’s power. 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