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Bookmark or Share- Plate Tectonics and Volcanic Activity - National Geographic SocietyARTICLE. Plate Tectonics and Volcanic Activity. A volcano is a feature in Earth's crust where molten rock is squeezed out onto Earth's surface. Along with molten rock, volcanoes also release gases, ash, and solid rock. Grades. 9 - 12+. Subjects. Earth Science, Geology, Geography, Physical Geography. Photograph. Shishaldin.
- Volcano | Definition, Types, & Facts | Britannicavolcano, 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. Yet, while eruptions are spectacular to watch, they can cause disastrous loss of life and property, especially in densely populated ...
- Volcanoes - National Geographic SocietyArticle. Vocabulary. A volcano is an opening in a planet or moon’s crust through which molten rock, hot gases, and other materials erupt. Volcanoes often form a hill or mountain as layers of rock and ash build up from repeated eruptions. Volcanoes are classified as active, dormant, or extinct.
- Volcanism - Understanding Global ChangeVolcanism is the eruption of molten rock from inside the Earth to the surface. Volcanism occurs because of Earth’s internal heat, and is associated with tectonic processes and a part of the rock cycle. Volcanic eruptions occur when molten lava reaches the surface of the Earth.
- Volcanic eruption | Description, History, Mythology, & Factsvolcanic eruption, an eruption of molten rock, hot rock fragments, and hot gases through a volcano, which is a vent in a planet’s or satellite’s crust. Volcanic eruptions can cause disastrous loss of life and property.
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