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Rapid changes to the Earth's surface – Volcanic eruptions. Next Generation science video
A volcano is an opening in the Earth’s surface that is caused when hot molten rock, called magma, pushes up from inside the Earth.
A volcano erupts when the magma, bursts through its opening and flows onto the Earth’s surface as lava.
When the lava cools, it changes to solid rock. The formation of the solid rocks changes the shape of the surface of the Earth.
Related resources and printable worksheets on ngscience.com.
Volcanic Eruptions
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