So what happens when the plates collide - one result can be a volcano. As one plate is pulled beneath the other it allows molten rock to push up to the earths surface. The molten rock and ash solidify as they cool forming that very obvious shape of a volcano!
If you haven’t already make your own volcano following the instructions on the DIY Science page.
Have a look at the Volcanoes of the World map on the British Geological Survey (BGS) web site.
You can also watch a video of some real-life Volcanoes...
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