Erupting volcanoes spew molten lava, gas and rocks up into the air. But just how high can the lava go and how do eruptions work? That’s what eight-year-old Thomas from Leeds in the UK wanted to know.

Thomas joined our host Eloise to put his question to volcanologist Martin Mangler from the University of Southampton.

If you'd like to join in with the experiment in this episode, you'll need some bicarbonate of soda, some vinegar, honey, a bottle or mug and a straw, to hand.

A podcast from The Conversation, the independent not-for-profit news organisation that brings you news and analysis straight from academic experts. Full credits available here.

This season is supported by the University of Southampton in the UK, a world-leading research-intensive university with a global network of international students and campuses in Malaysia and Delhi.

Are you a curious kid with a question? Pop it in an email, or record it and send us the audio to [email protected].

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