What Causes a ‘Volcano’ Eruption and How Does It Happen?

A volcano eruption happens when hot rock, or magma, from deep inside the Earth pushes its way up to the surface. It’s like a pressure cooker, if it gets too full and hot, it explodes! This explosion sends lava, rocks, and gas flying out of the ground, creating a fiery mountain or even a new island.

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Examples

  1. A volcano erupts like a soda bottle, when the pressure is too much, it explodes.
  2. Lava flows from a volcano like hot syrup spilling out of a container.
  3. A small eruption can cover a town in ash, making everything look gray.

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