What is a volcano? How were they created? Why do they erupt?

A volcano is an opening or rupture in the Earth's surface, which allows hot, molten rock, ash and gases to escape from below the surface.

Volcanoes are created when molten rock (magma) from deep within the Earth's mantle rises and breaks through the surface of the planet.

Volcanoes can be found on land and beneath the ocean.

The molten rock that is released during an eruption is called lava.

Volcanoes erupt when pressure builds up inside the Earth and the pressure is released in a violent explosion.

Examples of volcanoes include Mount St. Helens, Mount Etna, and Kilauea.

Volcanic eruptions can cause significant destruction, but they also have the potential to create new land.

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