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 … Learn more. When a volcano erupts, hot gases and melted rock from deep within Earth find their way up to the surface. Define what a volcano is. Definition of volcano in the Definitions.net dictionary. Provide a vocabulary list of important terms. Active volcano definition: A volcano is a mountain from which hot melted rock, gas, steam , and ash from inside the... | Meaning, pronunciation, translations and examples Of the three types of volcano, the shield is the largest in terms of area. 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. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. A volcano can also be classified as an extinct volcano, which means that it is a volcano that is not expected to erupt again. 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. This material may flow slowly out of a fissure, or crack, in the ground, or it may explode suddenly into the air. Provide them with a simple definition and show images of volcanoes, either through a PowerPoint presentation or from a textbook. What is a Volcano? volcano definition: 1. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases…. A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. 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 … volcano meaning: 1. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases…. 1. Volcano definition, a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. Definition of Shield Volcano. See more. A volcano is an opening in Earth ’s crust. But they also create new landforms. 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. Learn more. The word “volcano” comes from the Roman name “Vulcan”. Volcanoes are formed by the movement of tectonic plates.. Volcanic eruptions may be very destructive. Key words that kids should know to understand volcanic eruptions are: magma, lava, crust, mantle, core and plates. Yet, while eruptions are spectacular to watch, they can cause disastrous loss of life and property, especially in densely populated regions of the world. Usually found in a mountain, the opening allows gas, hot magma and ash to escape from beneath the Earth’s crust.. 2. Meaning of volcano. Eruptions can come from side branches or from the top of the volcano. Put simply, a volcano is an opening in the Earth’s surface. Cinder cone volcanoes are impressive for their explosive eruptions and classic looks. Information and translations of volcano in the most comprehensive dictionary definitions resource on the web. Amounts of rock and volcanic ash and can kill many people definitions resource on the web volcanoes are by. Roman name “ Vulcan ” name “ Vulcan ” s surface, hot gases and rock. Can kill many people formed by the movement of tectonic plates are: magma lava... 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